How to fasten screws on a metal roof avoid improperly tightened metal roofing screws or fasteners.
How to put up corrugated metal roofing.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
You can either buy.
This is a really simple procedure but quite often it is done incorrectly.
Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.
Buy the metal panels.
Place the first screw.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Depending on the area of the roof you can use different sized panels.
Corrugated metal roof installation instructions step 1.
Install the roofing screws vertically along each rib in the panel.
Remove the old roofing.
If you mess this up your roof will leak so taking the time to correctly fasten the screws is exceptionally important.
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.
Pre drill holes on the ridges.
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.
Without getting up on the roof itself you can get the measurements simply by measuring the.
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.
Cut the panels to the desired length.
In this video i m installing some metal roofing over an existing ash fault shingled roof.
Some panels have pre drilled holes.
Installing corrugated roofing 1.
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.
If yours do not then you will need to drill holes.
Most panels come up to 32 feet 9 8 m in length.
Allow for a minimum of 18.
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.
Drive a pair of 8d nails through the wood.
This is not a complete install only basic install on a bungalow i.