How To Install Metal Roofing On A Shingle Roof

Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across the roof.

How to install metal roofing on a shingle roof.

Use your neoprene washer head screws to secure the metal to the sheathing. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. 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. Repeat this on both sides of the roof.

Use 1 1 4 inch. 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. Here are the approximate costs of the different metal roof installation methods. In very general terms the cost of a metal roof will be twice the cost of a new asphalt 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. Install the metal edging. 125 to 250 per 100. Space the screws about 12 in 30 cm apart down the entire piece of metal.

Every 5 inches make a new mark until you get to the rop of the roof. 200 to 350 per 100 square feet. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Install your metal edging around the perimeter of your roof.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. 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. 150 to 450 per 100 square feet.

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. How to install a metal roof over shingles. However if you follow this guide properly we re sure you can do it too. Experts recommend that you work diagonally and raising each row of shingles gradually.

This is by far the most common way to install a metal roof. Make a slat board base on top of the shingles. Take care the first piece is aligned precisely perpendicular square to the edge. 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.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.