Corrugated metal roof installation instructions step 1.
How to install corrugated sheet metal roofing.
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.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Western states metal roofing sells directly to homeowners and roofing contractors.
It may help to attach a string along the eaves to serve as a layout guideline for the overhang.
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Some panels have pre drilled holes.
Tap each new sheet tight into place where it laps before the fixings and mastic tape are used.
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.
Place the metal sheet at one corner of the roof overhanging the edge of the roof by 2 inches.
Buy the metal panels.
Install the roofing screws vertically along each rib in the panel.
Take care the first piece is aligned precisely perpendicular square to the edge.
Allow for a minimum of 18.
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How to lay corrugated roof sheets.
Most panels come up to 32 feet 9 8 m in length.
If you re reading this blog then you have either purchased metal roofing or will be buying soon.
Without getting up on the roof itself you can get the measurements simply by measuring the.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
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.
If yours do not then you will need to drill holes.
Work toward the sides of the roof deck cutting panels to fit as necessary.
Pre drill holes on the ridges.
You can either buy.
Use your neoprene washer head screws to secure the metal to the sheathing.
For a single pitch roof the minimum pitch we recommend is 10 degrees.
Installing corrugated roofing 1.
Use specialty nails with washers to secure each corrugated metal sheet.
Depending on the area of the roof you can use different sized panels.
Fasten with about 20 screws per sheet.
For gable roofs place the metal sheet at one corner of the roof overhanging the edge by 2 inches.
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.
Secure the sheets into place with screws.