How To Properly Install A Metal Roof On A House

Space the screws about 12 in 30 cm apart down the entire piece of metal.

How to properly install a metal roof on a house.

Use your neoprene washer head screws to secure the metal to the sheathing. Can you put steel roofing over asphalt. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. 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 line.

How to install a metal roof on a house covering your existing asphalt shingles with metal roofing might be worth the expense. 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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.

Here are some pros and cons. The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof. Take care the first piece is aligned precisely perpendicular square to the edge. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.

Next you are ready to install the metal roof. Most codes now allow no more than two layers of roofing before requiring a complete tear off.