Installing Roll Roofing And Flashing

Lay it from the bottom of the roof to the top ensuring 4 inches of overlap at each base line.

Installing roll roofing and flashing.

However roll roofing does not look nearly as good as shingle or tile so it is typically only used on roofs that are not readily visible. How to install roll roofing on low slope roofs. This aluminum flashing protects the edges of the roof sheathing. Install drip edge flashings roofing felt and wsu if needed.

Attach drip edge along the edge of the roof with roofing cement. But it doesn t work that way. Water can accumulate in the roofing or flashing on a flat roof causing ponding that will eventually result in rotted underlayment and a roof leak. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

Starting a roof with tarpaper felt. Clean the roof with a broom to remove any debris. Set it in a bed of roofing cement smooth out any creases and drive nails near the edges. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

Once even a small section of roofing cement fails you ll have a leak. Then install metal vent flashing over the pipe coating the roofing with mastic first so that the metal flange is embedded in it completely. Extend the front edge of the drip edge so it runs off the roof and into the. While this flashing is self adhesive it is.

Open valleys have metal flashing to protect this critical area of the roof. You can install metal valley flashing but it is common to simply apply an 18 inch wide strip of roll roofing instead. Provide 6 inches of overlap under each side of the flashing. Install an asphalt roll surface with polymer bituminous flashing on a low pitched but not flat roof.

Nail around the flange every two inches. This video walks through the very basic steps for installing tarpaper felt. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.

Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the. Setting the roll and then nailing off. Installing roll roofing is always an appealing option for homeowners because it is easy to install and much less expensive than other roofing. Things you ll need rolled roofing razor knife trowel brush hose measuring tape ladder roofing cement 1 inch 2 5 cm long roofing nails hammer chalk.

Install a drip edge around the perimeter of the roof. How to install polymer bituminous flashing.