Starting a roof with tarpaper felt.
Installing roll roofing and flashing.
This aluminum flashing protects the edges of the roof sheathing.
Install an asphalt roll surface with polymer bituminous flashing on a low pitched but not flat roof.
Cut a hole in the roof just large enough for the vent pipe and lay the strip into place.
Lay it from the bottom of the roof to the top ensuring 4 inches of overlap at each base line.
Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the.
Step by step roll roofing installation 1.
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 drip edge flashings roofing felt and wsu if needed.
Nail around the flange every two inches.
Once even a small section of roofing cement fails you ll have a leak.
Attach drip edge along the edge of the roof with roofing cement.
Installing roll roofing is always an appealing option for homeowners because it is easy to install and much less expensive than other roofing.
But it doesn t work that way.
How to install polymer bituminous flashing.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Setting the roll and then nailing off.
This video walks through the very basic steps for installing tarpaper felt.
Provide 6 inches of overlap under each side of the flashing.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
You can install metal valley flashing but it is common to simply apply an 18 inch wide strip of roll roofing instead.
Open valleys have metal flashing to protect this critical area of the roof.
Install a drip edge around the perimeter of the roof.
How to install roll roofing on low slope roofs.
Extend the front edge of the drip edge so it runs off the roof and into the.
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 this flashing is self adhesive it is.
Set it in a bed of roofing cement smooth out any creases and drive nails near the edges.
Clean the roof with a broom to remove any debris.
Then install metal vent flashing over the pipe coating the roofing with mastic first so that the metal flange is embedded in it completely.
Check the sheathing for any nails or screws that may be.
