Bottom Of Roof

Lay a starting row at the bottom of the roof along the edge.

Bottom of roof. It is attached directly to the decking along the bottom of the roof slope and above the underlay on the sides of the roof. Install the roofing screws vertically along each rib in the panel. While not required by the code it is recommended by roofers and manufacturers. Secure the screws but do not overtighten.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. The run always remains constant at 12 inches. Open valleys have metal flashing to protect this critical area of the roof. Also place a nail 2 inches from each end of the shingle in line with the other.

The hip roof is also very popular in north america. This is also known as the barn roof as this style is often used on barns. This is a flat roof style with a greater slope and is most common on sheds porches and home additions. However make sure that you do not nail into the tar strip.

Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. Moulding that covers the edge of the roof and reduces the risk of water infiltration. Roof slope style. This roof style maximizes the amount of usable space in the attic or top floor.

The washer under the screw head should seal to the surface of the panel without bulging or shifting. A low slope roof is anywhere from 2 in 12 to 4 in 12. A flat roof has a slope of 2 in 12 or less. Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle.

There are two main categories of roofing.