If you re reading this blog then you have either purchased metal roofing or will be buying soon.
How to install corrugated sheet metal roofing.
Depending on the area of the roof you can use different sized panels.
Corrugated metal roof installation instructions step 1.
For a single pitch roof the minimum pitch we recommend is 10 degrees.
Fasten with about 20 screws per sheet.
Secure the sheets into place with screws.
Buy the metal panels.
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Western states metal roofing sells directly to homeowners and roofing contractors.
Install the roofing screws vertically along each rib in the panel.
If yours do not then you will need to drill holes.
Pre drill holes on the ridges.
Cut the panels to the desired length.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
Use your neoprene washer head screws to secure the metal to the sheathing.
Take care the first piece is aligned precisely perpendicular square to the edge.
Use specialty nails with washers to secure each corrugated metal sheet.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.
Use roofing felt to cover the roof by stapling every 3 inches on the outside of the felt and about 5 to 7 inches on the interior.
Without getting up on the roof itself you can get the measurements simply by measuring the.
Allow for a minimum of 18.
Installing corrugated roofing 1.
We suggest using a soft wood block and a mallet with some rag between the block and the sheet to prevent damage the sheet coating.
Some panels have pre drilled holes.
Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.
Place the first screw.
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Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
The sheets should overlap by at least four inches add a bead of caulk where they overlap and at the other end of the building ensure there s an overhang of two inches.
You can either buy.
Work toward the sides of the roof deck cutting panels to fit as necessary.
Most panels come up to 32 feet 9 8 m in length.
Tap each new sheet tight into place where it laps before the fixings and mastic tape are used.
If you haven t already bought your metal roofing panels you can save 15 to 50 by purchasing directly from the manufacturer.
How to lay corrugated roof sheets.
For gable roofs place the metal sheet at one corner of the roof overhanging the edge by 2 inches.