Corrugated Roof Ridge Cap? The 118 Detailed Answer

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What is a ridge cap on a metal roof?

Metal roofing ridge cap is the trim placed along the roof’s ridge – the peak, where two roof slopes meet up. A ridge cap is normally installed only after all metal roof panels and any other trim are in place. In other words, it’s put on last – the cap to the job.

How wide is ridge cap for metal roof?

The most common width of a ridge cap is 7”X7” or 10”X10” and it’s available with or without hems.

Do Metal Roofs need ridge vents?

A metal roof is intrinsically durable and energy-efficient, but it needs proper ventilation to live up to its expectations. If the existing roof is properly vented, then a ridge vent is in order.

How To Install Ridge Cap For A Corrugated Metal Roof. Step By Step Guide

Frequently asked questions about ridge vents on metal roofs in MA

August 6, 2018 | By Mike Gonet | Filed under: blog, metal roofing

A metal roof is inherently durable and energy efficient, but it needs proper ventilation to live up to its expectations. If the existing roof is properly ventilated, a ridge vent is in order. The roof must be evaluated to determine what venting, if any, is required. To understand why metal roof installation projects require proper venting, Classic Metal Roofs, MA answers the most frequently asked questions about:

What do you do?

The role of ridge vents is to breathe excess indoor moisture and heat out of your home. However, they cannot fulfill their sole purpose without eaves or soffit fans, which inhale drafts to circulate the air in the attic. A healthy interaction between intake and exhaust vents is essential to keep the underside of your roof cool and dry at all times. It also pulls the moisture from inside the house and allows it to escape.

What are the dangers of not having them?

Any reliable metal roofing contractor would say that not having ridge vents is a disaster. With nowhere to go, the moisture would form condensation when it hit colder surfaces like the roofers. This in turn would rot the substructure of the roof assembly. It would become a breeding ground for mold. This only applies to cold roof systems where venting is required.

In addition, insufficient attic ventilation would increase the likelihood of ice dam formation. Ice jam occurs when the surface of the roof is warm enough to melt the snow. When thawed, the water would refreeze upon reaching the edge because it is colder. This cycle leads to the formation of ice crests and icicles hanging from the gutters. Ice dams are not only scary outdoor hazards, they put unnecessary stress on the roof. If your roof fails due to improper ventilation, you could lose your factory warranty.

What is necessary to ensure proper ridge venting?

Copper, zinc and aluminum roofing systems in MA require ridge venting in cold roof systems to function properly and stand the test of time. However, simply installing ridge vents does not necessarily solve the problem. While not enough ventilation is bad for the health of your roof, too much of it can be just as bad, if not worse.

In addition, proper installation is of paramount importance. Any manufacturing defect can allow water ingress and increase the likelihood of interior damage.

At Classic Metal Roofs we place great importance on proper ridge venting. Whatever the construction of your roof, we can figure out the best way to ventilate or not ventilate your roof. Call us now at (866) 660-6668 to schedule an appointment to discuss your roofing needs and receive a free estimate. Our MA office is in Stow. We are a regional company with 4 offices in southern New England. We cover Webster, Douglas, Oxford, Worcester, Sturbridge, Auburn, Grafton, Upton, Sutton, Mendon, Dudley, Charlton and other nearby communities.

Get a free roofing consultation

How much does ridge cap cost?

The average cost to replace roof ridge caps is $475. Factors such as project size, type of ridge caps, and damages will impact the price. The cost to DIY is $150 to $240, but this project is better left to professional roofers.

How To Install Ridge Cap For A Corrugated Metal Roof. Step By Step Guide

Highlights The average cost of replacing ridge caps is $475.

Factors such as project size, type of ridge caps and damage affect the price.

The DIY cost is $150-$240, but this project is better left to professional roofers.

Receive offers from up to 3 professionals! Enter a zip code below and get matched with top professionals in your area. find pros

Your roof ridge completes the top of your roof and seals the two edges when joined, creating a strong barrier against the elements. If your ridge cap is damaged or needs to be replaced, you should understand all of the cost factors. Learn how much it costs to repair a ridge cap—or, in more serious cases, replace a ridge cap—so you can budget accordingly.

Related article 6 signs your roof needs replacing When it comes to the roof over your head, don’t take chances

How much does it cost to replace a roof ridge cap?

The cost of replacing a ridge cap is $200 to $750. The actual estimated cost will depend on how much damage was done, what type you have and the size of the project.

How much does it cost to repair a roof ridge cap?

The typical range for repairing a ridge cap is about the same as replacing it, around $200 to $700 depending on the extent of the damage.

Roof Ridge Cap Cost Breakdown

Here’s a look at where your money is going on this project:

labour costs

Labor typically accounts for 60% of the project total, which is not surprising as roofing is one of the most labor intensive home improvement projects. So the labor cost you can expect is $1.50 to $3 per square foot, or $150 to $300 per square meter. And a square is a 10 by 10 roof area equal to 100 square feet.

material

The actual cost of a ridge cap averages $15 to $50. This fee also includes any equipment your professional must use to complete your project.

Cost to replace the ridge cap yourself

Roofing projects are best left to experienced and qualified roofing professionals. If you’re just starting out, there are other beginner-friendly home improvement projects you can tackle that aren’t as risky as replacing or repairing a ridge cap. The average price you can pay to replace your ridge cap yourself is $150-$240, assuming you have some of the tools (hammer and ladder) required for this project around your house.

Here is a cost and materials breakdown:

Roof Cement: $10-$50

Two inch galvanized nails: $5 to $20

Rooftop safety kit: $120

Pre-curved ridge cap: $15-$50

Hammer: $8-$20

Ladder: $100-$300

Pry Bar: $10-$30

Do-it-yourself vs. hiring a professional costs

While it’s possible to do this project yourself, we highly recommend leaving this project to a professional roofer in your area. More often than not, your professional will assess any additional problems that your damaged ridge cap has caused your home. They can tell you if it’s just a minor repair or if they need to replace the caps for the entire roof and know how to install them properly so your caps can do their job efficiently. Plus, a licensed, insured, and bonded roofer protects you and him in the event of an accident or substandard work.

Plus, get your ridge caps replaced or repaired without spending the time and energy to climb onto your roof and do it yourself. While saving on labor costs is an enticing prospect for most DIYers, hiring a professional can ensure the job is done safely and correctly.

Questions and answers on the roof ridge cap

Photo: Lost_in_the_Midwest / Adobe Stock

1. Do you need ridge caps on your roof?

Yes, your ridge cap is at the top of your roof where the two sides of your roof meet. These caps help protect your roof from water and debris, and because they’re pre-bent and thicker, they perform better than regular roof shingles, which break when bent.

Related Article 10 Common Roofing Problems You Shouldn’t Ignore Some roofing problems are easier to spot than others

2. What are the signs that your ridge caps need repairs?

You should consult a professional in your area to have your ridge cap repaired or replaced if your roof has recently been damaged. Another sign to look out for is when your caps are deteriorating and curling up.

3. How to choose a roofer?

Not everyone is the best choice to work on your roof. Here are some tips for choosing a roofer:

Get everything in writing

Ask for insurance, license and deposit and then check them

Check their reviews

Ask for recommendations

Get multiple quotes

Also watch out for warning signs like:

How do you seal the ends of a corrugated roof?

Insert a tube of butyl caulking into a caulk gun and snip the end off using sharp scissors. Apply a 1/4-inch wide bead of caulk over the seam where the two panels overlap. Work your way across the entire roof to apply caulk to all remaining seams to seal them.

How To Install Ridge Cap For A Corrugated Metal Roof. Step By Step Guide

Use a long handled mop brush such as those designed for painting roofs or applying tar.

If you have a corrugated metal roof, all you have to do is caulk it. In the case of metal corrugated sheets, it is not necessary to apply full sealing.

How do I turn corrugated roof off?

According to Blue Orb info it is standard practice to turn down the valleys at the very end of the sheets by using a pair of multigrips or a shifting spanner, gripping about 20mm in from the end, then turning down as far as possible. Snipping the sheets is not needed or recommended.

How To Install Ridge Cap For A Corrugated Metal Roof. Step By Step Guide

I’m looking for some advice to fix a roofing problem caused by capillary action. We have an existing brick garage with a corrugated iron roof. The tilt is less than 5°, more like 3°, which I think causes the most problems. When it rains, the water runs under the roof membranes back into the canopies.

Ideally the solution would be to replace the roof, but I’m looking for a slightly cheaper solution.

I thought of cutting the end of the roofing membranes 25mm in each valley of the corrugated back and bending them down vertically to prevent water from running back.

How To Install Metal Roof Ridge Cap. EASY Metal Roofing Ridge Cap Installation + Finish + Cut Ends

How To Install Metal Roof Ridge Cap. EASY Metal Roofing Ridge Cap Installation + Finish + Cut Ends
How To Install Metal Roof Ridge Cap. EASY Metal Roofing Ridge Cap Installation + Finish + Cut Ends


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Roof Panel Ridge Caps at Lowes.com

Shop roof panel rge caps and a variety of building supplies products online at … Metal Sales Universal Rge 14-in x 122-in Steel Roof Panel Rge Caps.

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Ridge Cap Roof for sale – eBay

Buy Rge Cap Roof and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery … Vintage Apex roof capping for corrugated roofs.

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How to Install a Ridge Cap of a Metal Roof

Metal roof: Installing the ridge cap

The metal ridge cap is the trim that is attached along the ridge of the roof – the apex where two roof slopes meet.

A ridge cap is not normally installed until after all of the metal roofing panels and all other trim is in place. In other words, it is put on last – the cap to the job.

Most ridge caps come in 10ft 6in pieces. They are meant to cover 10 feet of the ridge, with a 6 inch overlap between pieces.

metal roof fasteners

Closure strips are used to prevent dirt, insects and driving rain from getting under the gaps between the panels and the ridge cap. There are two types of fasteners: fixed and vented.

Solid fasteners – also called “external fasteners” – are usually made of dense foam. They come in 3 foot long pieces designed to fit snugly over the ribs of the roof panels. They are placed end to end and fastened along the edge of the top row of panels where the panels and ridge cap meet. Each piece is also designed to interlock with the next. Lined up, they form a continuous, watertight and airtight barrier.

Vented shutters or “profile vents” have a profile similar to closed shutters – matching the ribbing of your roof panels. A common type is 3 inches wide and comes in rolls 50 feet long. The vented closure prevents bugs and water from getting in, while allowing hot air to easily escape from the attic.

Metal Ridge Cap Installation Steps

Center a piece of ridge cap on top of building. Make a mark on the bottom edges of the cap (both sides) at one end of the ridge. See image below. If the comb is only 15 to 20 inches long, repeat step 1 on the opposite end of the comb. For a longer comb, move along the comb and repeat step 1 about every 15 minutes until you reach the opposite end. Set the piece of ridge cap aside and draw a chalk line between the marks. You should end up with 2 chalk marks – one on each side of the comb and running its entire length. Following steps a-c below, attach external closure strips (or a vented closure) along the full length of the ridge on both sides of the roof. The edge of the fastener should be 1/4″ above the chalk line (i.e. 1/4″ towards the tip). [Note: Steps a-c provide a general method for installing fasteners. Check the instructions for your roofing system before you begin, as they may differ.] Run a strip of caulking tape the full length of the ridge, about 1 inch above your chalk line. Repeat on the opposite side. If there is a piece of paper running along the top edge of the weatherstrip, remove it.

Run closure strips down the length of the ridge, locking end to end and pressing down onto the sealing tape.

Run another strip of sealing tape along the top of the locking tabs. For now, leave any paper backing in place.

The vented shutter is installed the same way, except it is rolled out and not filed in 3-foot pieces.

5. Starting at the end of the ridge where the first panel was installed, install the first piece of ridge cap.

Check the design and instructions for your specific roof to see if the ridge cap should be placed flush with the end of the ridge or with an overhang. In the example image below, the ridge cap extends ½ inch beyond the edge of the roof.

Without allowing the ridge cap piece to touch any exposed caulking tape, center it directly on the ridge, using the ridge itself and the chalk lines you created earlier as a guide.

When you are sure you have positioned the ridge cap correctly, place it on the clasps and press down to ensure good contact.

6. Attach the ridge to the panels below. In the example image below, the screws are placed so that they go through the center of every other major roof panel rib. For such details, you must consult the instructions for your specific roof.

7. Place the next piece of ridge cap 6″ over the first and repeat steps 5 and 6.

8. Drive down the ridge until you reach its end. It may be necessary to trim the last section of ridge cap to your ridge length.

Other types of metal roofing and ridge caps

The above steps explain how to install steel ridge caps for the most common metal roof and cap designs. There are other types such as B. Standing seam and shingle panels, ventilated ridge caps, skylight ridge caps and shaped ridge caps. For details on how to install these particular types, see the instructions that should come with them and other articles.

For more information on installing metal roofing, visit the Metal Roofing Source

Please call us toll free at 1-877-833-3237

if you have any questions or need a quote! We are here to help.

Customer service and pricing available Monday through Friday from 8:00am to 5:00pm MST.

How To Install Ridge Cap For A Corrugated Metal Roof. Step By Step Guide

Metal roof You are considering a purchase and would like to assemble it yourself. Let’s be the first to congratulate you. But your journey will not be painless. From our 25 years of experience we know that installing the cladding is the hardest part of the job. Homeowners like you always ask us, “How do you install the ridge cap?”

This step-by-step installation article specifically covers vented and non-vented ridge cap installation for an exposed fastener board such as: R-board/PBR board, west rib/7.2 board, and ⅞-inch corrugated board. It is not intended for installing standing seam panels.

Easy to follow instructions and pictures illustrating each step. This blog answers all your installation questions. In case you’re a visual person, we’ve also created an easy-to-understand video. After watching the video we have no doubt that even without any metal roofing experience you will be able to correctly install a ridge cap.

At Western States Metal Roofing, our associates are friendly sales associates experienced in selling and installing metal roofing. Our goal in this article is to help you with your metal roofing project. Whether it’s installing the trim and surrounds, or you need a great price for your metal roof, we’ve got you covered.

Our goal in this article is to explain:

What is a ridge cap

Required tools and materials

preparation

Install non-vented ridge cap with foam latches

Install ventilated ridge cap with ProfileVent

Fasten the ridge cap

Overlapping ridge cap

If you like this article, we recommend that you also read this article:

How to install a synthetic underlay on a metal roof

What is a metal roof ridge cap?

A metal ridge cap is the cladding that is attached along the peak of the roof. The point at the top of the roof where both slopes meet is called the peak or crest. Before we get into the details of installing ridge caps, here are a few pointers to keep in mind:

A ridge cap is usually the last piece of trim to be installed. Before you begin installing the ridge cap on your metal roof, make sure the eaves and gable trim are installed.

The standard lengths for metal ridge caps are ten feet to twelve feet.

When you overlap the ridge cap, you have a 6 inch overlap.

The most common width of a ridge cap is 7″X7″ or 10″X10″ and it is available with or without hems.

How much does a metal roof ridge cap cost?

The cost of the metal ridge cap depends on the thickness, type of finish and size of the ridge cap. A lighter ridge cap costs less than a heavier one. Also painted ridge caps cost more than galvanized or galvalume ridge caps.

In general, the average ridge cap costs $2.00 to $3.50 per linear foot.

What tools and supplies do you need to install Metal Ridge Caps?

Installing eaves trim on your metal roof starts with using the right tools and supplies. Here is a list of what you will need:

Cutting scissors Carpenter’s pencil Roofing gloves Caulking gun Silicone sealant Metal-to-metal screws with washer Measure your roof to determine how many ridge caps you need. Don’t forget to allow for the 6″ overlap and 1″ to prep the cap ends. Place the ridge cap against a building edge and mark the two outside edges with a carpenter’s pencil. Do the same on the opposite side of the building. Draw a chalk line. Do not use red chalk as it is difficult to erase.

How to install a metal roof ridge cap. Step by step guide.

You should always read the manufacturer’s installation instructions before installing a ridge cap on a metal roof. It is also important to comply with local building codes.

Phase 1: Prepare to install the Ridge Cap

Roofs are not always square. When installing the roof panels you want to keep the eaves or low side of the roof nice and flush. You don’t want the metal roof to go in and out with each panel sticking out further than the previous panel. This makes the roof look sloppy and unfinished.

We recommend a 2 inch gap between the metal roofing panels at the apex of the roof. This allows you to move the slide up or down on the roof. The purpose is to keep the roof panels straight and flush at the lower eaves. If the metal roofing is too long, the excess roofing can be shifted to the top of the ridge and the panels at the eaves will appear straight.

Phase 2: Cutting and finishing ridge cap ends for a metal roof

Make a 1 inch mark on the outside of the ridge cap. Use a screwdriver to pry both hems within the 1″ mark. Cut off an inch of the hem on each side. Line up your speed square with the slope of your roof and mark a straight line. Use a protractor to determine the angle of the line. There is no picture that can describe this. watch the video Mark the center of the ridge cap based on the angle of the protractor. Cut off the ridge cap Using a hand hem, fold the uncut left side 90 degrees. Fold the raw edge 90 degrees right side down

How to prepare the edge of the ridge cap for the gable ends is not easy to put into words. This is the hardest part of the installation and we strongly encourage you to watch the video and read the blog.

Phase 3: How to install ridge cap foam closures on a metal roof – for a non-vented ridge cap

Apply butyl tape sealant Place the butyl tape so that the ridge fasteners enter the center of the butyl tape once the ridge cap is in place. Attach the outer foam seals. Apply silicone sealant to the top of the exterior foam seals and the gable as shown. The foam closure has no self-adhesive backing. The double-sided butyl tape is tacky, resulting in easier installation of the foam closure strips.

If you have a non-vented ridge cap, you will need foam closure strips. However, if you have a vented ridge cap, you should skip this step and read the instructions below to install the Profile Event Latch to allow your ridge cap to be vented.

Phase 3: How to Install a Ridge Cap Vent for a Metal Roof – for a vented ridge cap

There must be a 2 inch wide opening at the ridge for ventilation. Install ProfileVent ½” to 1″ at an angle from the edge of the ridge cap.

If you have a vented ridge cap, a ridge vent such as ProfileVent® is required. However, if you have a non-vented ridge cap, you should skip this step and read the instructions above to install foam closure strips.

Phase 4: How to attach the ridge cap for a metal roof

Insert the first piece of ridge cap metal. Fasten the ridge cap with metal-to-metal fasteners

Phase 5: How to lap the ridge cap on a metal roof

The ridge cap is typically ten feet to twelve feet long and most roofs are taller than twelve feet. In this case, the ridge cap must be overlapped.

When overlapping the metal ridge cap, the overlaps must face the opposite direction of your metal roof’s line of sight. For example, you want the overlap to face away from your driveway. If overlapping a metal ridge cap, apply silicone sealant 2 inches from the inside overlap. Overlap the ridge cap six inches. Trim the last piece of ridge cap to fit, allowing for the six inch overlap and 1 inch needed to prepare the ridge cap end. Do not leave the raw edge of the ridge cap exposed. The exposed edge should be below the overlap.

Note: This is not mandatory, but your roof will look nicer if you follow this step.

Learn more about installing metal roofing

Installing a metal ridge cap is not that difficult. After watching the videos and reading the article, you shouldn’t have any problems. The next step is to learn more about installing metal roofing. An excellent place to start would be to look at our metal roofing installation guides.

Save money on your metal roof panels

It’s always a good idea to get quotes from more than one company. When you purchase metal roofing from Western States Metal Roofing, you are buying directly from the manufacturer. There are no intermediaries involved. This saves you 15% to 50%.

How To Install Ridge Cap For A Corrugated Metal Roof. Step By Step Guide

Metal roof You are considering a purchase and would like to assemble it yourself. Let’s be the first to congratulate you. But your journey will not be painless. From our 25 years of experience we know that installing the cladding is the hardest part of the job. Homeowners like you always ask us, “How do you install the ridge cap?”

This step-by-step installation article specifically covers vented and non-vented ridge cap installation for an exposed fastener board such as: R-board/PBR board, west rib/7.2 board, and ⅞-inch corrugated board. It is not intended for installing standing seam panels.

Easy to follow instructions and pictures illustrating each step. This blog answers all your installation questions. In case you’re a visual person, we’ve also created an easy-to-understand video. After watching the video we have no doubt that even without any metal roofing experience you will be able to correctly install a ridge cap.

At Western States Metal Roofing, our associates are friendly sales associates experienced in selling and installing metal roofing. Our goal in this article is to help you with your metal roofing project. Whether it’s installing the trim and surrounds, or you need a great price for your metal roof, we’ve got you covered.

Our goal in this article is to explain:

What is a ridge cap

Required tools and materials

preparation

Install non-vented ridge cap with foam latches

Install ventilated ridge cap with ProfileVent

Fasten the ridge cap

Overlapping ridge cap

If you like this article, we recommend that you also read this article:

How to install a synthetic underlay on a metal roof

What is a metal roof ridge cap?

A metal ridge cap is the cladding that is attached along the peak of the roof. The point at the top of the roof where both slopes meet is called the peak or crest. Before we get into the details of installing ridge caps, here are a few pointers to keep in mind:

A ridge cap is usually the last piece of trim to be installed. Before you begin installing the ridge cap on your metal roof, make sure the eaves and gable trim are installed.

The standard lengths for metal ridge caps are ten feet to twelve feet.

When you overlap the ridge cap, you have a 6 inch overlap.

The most common width of a ridge cap is 7″X7″ or 10″X10″ and it is available with or without hems.

How much does a metal roof ridge cap cost?

The cost of the metal ridge cap depends on the thickness, type of finish and size of the ridge cap. A lighter ridge cap costs less than a heavier one. Also painted ridge caps cost more than galvanized or galvalume ridge caps.

In general, the average ridge cap costs $2.00 to $3.50 per linear foot.

What tools and supplies do you need to install Metal Ridge Caps?

Installing eaves trim on your metal roof starts with using the right tools and supplies. Here is a list of what you will need:

Cutting scissors Carpenter’s pencil Roofing gloves Caulking gun Silicone sealant Metal-to-metal screws with washer Measure your roof to determine how many ridge caps you need. Don’t forget to allow for the 6″ overlap and 1″ to prep the cap ends. Place the ridge cap against a building edge and mark the two outside edges with a carpenter’s pencil. Do the same on the opposite side of the building. Draw a chalk line. Do not use red chalk as it is difficult to erase.

How to install a metal roof ridge cap. Step by step guide.

You should always read the manufacturer’s installation instructions before installing a ridge cap on a metal roof. It is also important to comply with local building codes.

Phase 1: Prepare to install the Ridge Cap

Roofs are not always square. When installing the roof panels you want to keep the eaves or low side of the roof nice and flush. You don’t want the metal roof to go in and out with each panel sticking out further than the previous panel. This makes the roof look sloppy and unfinished.

We recommend a 2 inch gap between the metal roofing panels at the apex of the roof. This allows you to move the slide up or down on the roof. The purpose is to keep the roof panels straight and flush at the lower eaves. If the metal roofing is too long, the excess roofing can be shifted to the top of the ridge and the panels at the eaves will appear straight.

Phase 2: Cutting and finishing ridge cap ends for a metal roof

Make a 1 inch mark on the outside of the ridge cap. Use a screwdriver to pry both hems within the 1″ mark. Cut off an inch of the hem on each side. Line up your speed square with the slope of your roof and mark a straight line. Use a protractor to determine the angle of the line. There is no picture that can describe this. watch the video Mark the center of the ridge cap based on the angle of the protractor. Cut off the ridge cap Using a hand hem, fold the uncut left side 90 degrees. Fold the raw edge 90 degrees right side down

How to prepare the edge of the ridge cap for the gable ends is not easy to put into words. This is the hardest part of the installation and we strongly encourage you to watch the video and read the blog.

Phase 3: How to install ridge cap foam closures on a metal roof – for a non-vented ridge cap

Apply butyl tape sealant Place the butyl tape so that the ridge fasteners enter the center of the butyl tape once the ridge cap is in place. Attach the outer foam seals. Apply silicone sealant to the top of the exterior foam seals and the gable as shown. The foam closure has no self-adhesive backing. The double-sided butyl tape is tacky, resulting in easier installation of the foam closure strips.

If you have a non-vented ridge cap, you will need foam closure strips. However, if you have a vented ridge cap, you should skip this step and read the instructions below to install the Profile Event Latch to allow your ridge cap to be vented.

Phase 3: How to Install a Ridge Cap Vent for a Metal Roof – for a vented ridge cap

There must be a 2 inch wide opening at the ridge for ventilation. Install ProfileVent ½” to 1″ at an angle from the edge of the ridge cap.

If you have a vented ridge cap, a ridge vent such as ProfileVent® is required. However, if you have a non-vented ridge cap, you should skip this step and read the instructions above to install foam closure strips.

Phase 4: How to attach the ridge cap for a metal roof

Insert the first piece of ridge cap metal. Fasten the ridge cap with metal-to-metal fasteners

Phase 5: How to lap the ridge cap on a metal roof

The ridge cap is typically ten feet to twelve feet long and most roofs are taller than twelve feet. In this case, the ridge cap must be overlapped.

When overlapping the metal ridge cap, the overlaps must face the opposite direction of your metal roof’s line of sight. For example, you want the overlap to face away from your driveway. If overlapping a metal ridge cap, apply silicone sealant 2 inches from the inside overlap. Overlap the ridge cap six inches. Trim the last piece of ridge cap to fit, allowing for the six inch overlap and 1 inch needed to prepare the ridge cap end. Do not leave the raw edge of the ridge cap exposed. The exposed edge should be below the overlap.

Note: This is not mandatory, but your roof will look nicer if you follow this step.

Learn more about installing metal roofing

Installing a metal ridge cap is not that difficult. After watching the videos and reading the article, you shouldn’t have any problems. The next step is to learn more about installing metal roofing. An excellent place to start would be to look at our metal roofing installation guides.

Save money on your metal roof panels

It’s always a good idea to get quotes from more than one company. When you purchase metal roofing from Western States Metal Roofing, you are buying directly from the manufacturer. There are no intermediaries involved. This saves you 15% to 50%.

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