How To Install Roll Top Ridge Capping

Metal roofing ridge cap is the trim placed along the roof's ridge – the peak, where two roof slopes run across up.

A ridge cap is ordinarily installed merely after all metal roof panels and any other trim are in identify. In other words, it's put on last – the cap to the job.

Almost ridge cap comes in pieces 10'6" long. They are meant to cover 10' of ridge, with 6" of overlap betwixt pieces.

Metal Covering Closures

To keep debris, insects and blowing pelting from getting in nether the gaps between the panels and the ridge cap, closure strips are used. Closures come in two types: solid and vented.

Solid closures – likewise called "outside closures," are usually made of dense cream textile. They come in three-pes-long pieces, designed to fit closely over the ribs of the roof panels. They are placed stop to end and secured along the edge of the top row of panels, where panels and ridge cap volition come across. Each piece is also designed to interlock with the next. Joined upward end to cease, they class a continuous, watertight, airtight barrier.

Vented closure or "profile vent" has a similar profile to solid closures – matching the ribbed design of your roof panels. One common type is 3" wide, and comes in 50'-long rolls. Vented closure helps prevent bugs and water from getting in, while allowing hot air to hands escape from the attic.

Metal Covering Ridge Cap – Installation Steps

1. Center a piece of ridge cap on the edifice peak. Make a marker at the cap's lower edges (both sides), at one end of the ridge. See the illustration below.
2. If the ridge is only 15'-20' long, echo step 1 at the opposite stop of the ridge. For a longer ridge, motion along the ridge repeating step i every 15' or and then, until you reach the reverse end.
3. Prepare the piece of ridge cap aside, and snap a chalk line between the marks. You should cease upward with 2 chalk marks – one on each side of the ridge, and running along its full length.
4. Following steps a-c below, identify outside closure strips (or vented closure) along the full length of the ridge, on both sides of the roof. The edge of the closure should be 1/4″ in a higher place the chalk line (that is, 1/4" toward the meridian). [Note: Steps a-c give one common method for installing closures. Cheque the instructions for your roofing organization earlier y'all start, as they may be different.]
   • Run a strip of sealant record the full length of the ridge, about 1" to a higher place your chalk line. Repeat on the opposite side. If there is a paper bankroll running along the top of the sealant strip, remove it.
   • Run closure strips the length of the ridge, interlocking them cease to end as you get, and pressing them down on peak of the sealant tape.
   • Run some other strip of sealant record along the top of the closure strips. Get out any paper backing in place, for now.

Vented closure is installed in much the same way, except that it is unrolled rather than laid downwardly in 3' pieces.

5. Starting at the finish of the ridge where the first panel was installed, install the kickoff slice of ridge cap.

• Check the design and instructions for your specific roof, to see whether the ridge cap should exist placed affluent with the end of ridge, or with an overhang. In the example illustration below, the ridge cap is shown extending ½" beyond the edge of the roof.

• Without assuasive the ridge cap piece to touch any exposed sealant tape, center it squarely on height of the ridge, using the ridge itself and the chalk lines you made earlier every bit guidelines.

•  In one case you lot're sure you lot accept positioned the ridge cap correctly, fix information technology down on the closures, and press it downward to ensure practiced contact.

6. Spike the ridge to the panels beneath. In the example illustration below, screws are placed so every bit to go through the center of every other major roof panel rib. You'll demand to consult the instructions for your specific roof for such details.

vii.  Lap the next piece of ridge cap vi″ over the starting time, and repeat steps 5 and vi.

viii.  Proceed on down the ridge until y'all reach its end. It may be necessary to trim the final section of ridge cap to fit your ridge length.

Other Metal Roofing and Ridge Cap Types

The steps to a higher place explicate steel roofing ridge cap installation for the most mutual metallic roof and cap designs. There are other types too, such as standing seam and shingle-style panels, vented ridge cap, skylight ridge cap, and formed ridge cap. Details of how to install these special types are given in the instructions that should come with them, and in other articles.

For more metal roof installation data, visit Metal Covering Source

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