How To Install Metal Roofing On A Shingle Roof

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.

How to install metal roofing on a shingle roof.

3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. Space the screws about 12 in 30 cm apart down the entire piece of metal. Take care the first piece is aligned precisely perpendicular square to the edge. However if you follow this guide properly we re sure you can do it too.

Repeat this on both sides of the roof. 150 to 450 per 100 square feet. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Install the metal edging.

Use 1 1 4 inch. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. 125 to 250 per 100. Use your neoprene washer head screws to secure the metal to the sheathing.

How to install a metal roof over shingles. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across the roof. Here are the approximate costs of the different metal roof installation methods. Every 5 inches make a new mark until you get to the rop of the roof.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Experts recommend that you work diagonally and raising each row of shingles gradually. Our 7 step guide of shingle to metal roof transition will cover everything you need to know about from the pros and cons of metal roofs to proper installation. You should start your metal shingles installation with half a shingle or in accordance with your metal shingles installation manual which should be system specific starting from the left of the starter flashing or gable.

Install your metal edging around the perimeter of your roof. 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 very general terms the cost of a metal roof will be twice the cost of a new asphalt roof. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Metal roofing is also available in the form of shingles. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. 200 to 350 per 100 square feet.