Three Ways To Install A Metal Roof Over Shingles

Published Oct 26, 20
5 min read

5 Tools Everyone in the how To Install Ridge Cap For A Corrugated Metal Roof Industry Should Be Using

Corrugated roofing panels are made of metal, fiberglass or polycarbonate and usually install over a system of purlins. They're popular for workshops, sheds, boathouses and other sheds due to their lasting sturdiness and easy setup. The panels are available in basic widths and lengths and are attached utilizing screws with flexible washers.

Depending on the roofing item, a metal roof can last 40 years or more - corrugated metal roofing. Metal roofing easily sheds snow and ice and does not soak up water. It will not rot, split or fracture, and can't be damaged by termites and bugs. And, unlike any other type of roof, the color of pre-painted metal roof can be changed to match new outside color pattern.

One technique to separating panels from a bundle is to "whip" the panel to require air beneath it (so they do not stick). The light weight of a corrugated metal panel is another benefit. Compared to asphalt shingles that weigh approximately 2. 5 lbs. per square foot, metal roofing panels just weigh.

This Week's Top Stories About 7/8 Corrugated Installation

3 pounds per square foot, which enables the panels to be installed over existing roof products. This conserves expensive disposal and removal charges, and makes the panels easier to raise and install. (Ultimately, local building codes and the condition of your roof's base will figure out if you can install metal panels over your existing roof.) On this construction team, one male provides the panels to the 2 installers on the roof.

This reduces heat retention so less heat is transferred into the structure. Fasten the panels with a 2" overhang. Plus, metal roof is the preferred roofing option in hail-prone areas. Hail causes conventional roof materials to break and divide. Hail will not permeate a metal roofing system. In general, fall-restraint harnesses and security lines need to be used by anybody working on roofing system.

Wear flexible rubber shoes that grip the metal when stepping on it. Never ever set up metal roofing in the rain, due to the fact that the slick, wet surface of the panels can essentially guarantee you'll slip and fall. And never ever deal with metal panels in high winds, because the wind can bring an unfastened panel airborne, in which case it becomes a big flying blade and very harmful.

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Do not follow their lead!If you fall off a roofing system and arrive on the ground, you might break your neck. Always use the suitable security gear. If the bundles of metal panels are kept outdoors on the ground, use plastic sheeting underneath the package to minimize condensation of water from the ground onto the panels - how to install plastic corrugated roofing.

Store the panels at an angle to promote drainage off the package. Protect the saved panels with a loose -fitting tarpaulin to safeguard from rain or snow however also allow air circulation. Tin snips, powered shears or an electric nibbler tool are advised to cut the panels. Cutting the steel produces slivers and metal chips that must be removed to prevent scratching the painted finish.

You'll find it useful to have 3 set, for left edge, ideal edge and centerline cuts. To help determine the overhang, attach a design string parallel to the eave as a guide. A variable-speed cordless drill/driver is all you need to drive the screws. Suggested attaching pattern. For securing the metal to wood framing, use sharp-pointed, color-coated screws that quickly permeate the metal to engage the wood.

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Hex-head screws help hold the fasteners stable while driving them. All screws should consist of an EPDM vulcanized, bonded washer to prevent leakages and damage to the panels throughout setup. Side laps need to face far from the prevailing wind. If you're not able to use complete panels on your roof, follow the installation series (left) for correct construction.



Whenever possible, nail in the valley in between the ridges, where the roof is closest to the wood. The fasteners of choice are color-coated screws with sharp points and EPDM vulcanized bonded washers to seal out water. For gable roofing systems, put the metal sheet at one corner of the roof, overhanging the edge by 2 inches.

Fasten with about 20 screws per sheet. Pursue the sides of the roofing system deck, cutting panels to fit as necessary. Location a 2nd corrugated sheet beside the first with the ridge of the panel overlapping. For a more secure roofing system, apply caulk/sealant between the 2 overlapping sheets. Screw the second sheet through the first and into the framing.

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This team develops a lot hip roofs to a common pitch, and they made a wood jig to guide the coordinating panel's cuts. For the 2nd row, put the very first sheet above the first sheet of the first row. The upper sheet needs to overlap the first by 6 inches. Fasten the sheet and finish the 2nd row in the very same manner as the first.

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