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