Bottom Of Roof

Install the roofing screws vertically along each rib in the panel.

Bottom of roof.

Moulding that covers the edge of the roof and reduces the risk of water infiltration. A flat roof has a slope of 2 in 12 or less. Lay a starting row at the bottom of the roof along the edge. The hip roof is also very popular in north america.

While not required by the code it is recommended by roofers and manufacturers. However make sure that you do not nail into the tar strip. This roof style maximizes the amount of usable space in the attic or top floor. Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run.

Secure the screws but do not overtighten. This is a flat roof style with a greater slope and is most common on sheds porches and home additions. The washer under the screw head should seal to the surface of the panel without bulging or shifting. This is also known as the barn roof as this style is often used on barns.

Open valleys have metal flashing to protect this critical area of the roof. There are two main categories of roofing. The run always remains constant at 12 inches. It is attached directly to the decking along the bottom of the roof slope and above the underlay on the sides of the roof.

Measure from the end of the level up to the bottom edge of the rafter. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Roof slope style.

Also place a nail 2 inches from each end of the shingle in line with the other.