How To Tin A Flat Roof

This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne.

How to tin a flat roof.

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. The slope is given as rise over run meaning the distance up rise divided by the distance across run. Calculate the slope factor of your roof. Take a metal sheet and use inch metal wood screws to affix the roofing onto the wood slats.

This measurement will typically be a measurement across 12 inches 30 5 cm and be something like 4 12 or 8 12. It must be clearly equals to thirty five degrees. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Install the roofing screws vertically along each rib in the panel.

Use metal 1 inch roofing nails to install the metal edging that goes around the perimeter of the roof. A corrugated metal roof is quieter than pvc when it rains. You can also nail a chalk line straight every 2 feet to use as a guide. Install slat boards to the roof so that you can easily attach the new tin.

Metal panels are much more durable than asphalt shingles so you won t need to repair or replace your roof as frequently. Each item has a feature as well as the slanted roof angle. Then nail the metal edging by using a hammer and roofing nails. Secure the slats with 3 inch metal to wood screws.

Lay the slats at 2 foot intervals length wise as you work from the roof s bottom and upward. The traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. 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. Slate metal tiles shingle and others.

At the same time the folded roof may vary in the slant from eighteen degrees.