If yours do not then you will need to drill holes.
How to put up corrugated metal roofing.
It is important to drive or install the screws correctly.
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.
Depending on the area of the roof you can use different sized panels.
Cut the panels to the desired length.
Some panels have pre drilled holes.
For a house roof the recommended minimum slope is 2 5 vertical inches for every horizontal foot but a nearly flat roof is fine for under deck installations.
Buy the metal panels.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
Remove the old roofing.
Allow for a minimum of 18.
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.
Step 2 install a wood support structure for your panels screwing a row of 2 by 4s running parallel to your wall every 2 feet along the underside of your deck.
Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.
In this video i m installing some metal roofing over an existing ash fault shingled roof.
This is a really simple procedure but quite often it is done incorrectly.
Pre drill holes on the ridges.
Installing corrugated roofing 1.
Most panels come up to 32 feet 9 8 m in length.
How to fasten screws on a metal roof avoid improperly tightened metal roofing screws or fasteners.
Place the first screw.
Without getting up on the roof itself you can get the measurements simply by measuring the.
Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Install the roofing screws vertically along each rib in the panel.
You can either buy.
Drive a pair of 8d nails through the wood.
Corrugated metal roof installation instructions step 1.
Use the lower edge of the roof as a guide and install nailers end to end across the roof with the lower edge two inches from the edge of the roof.