Which Side Goes Down On Roofing Felt

Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe.

Which side goes down on roofing felt. Roofing felt paper installed upside down does it matter. Whether you re building a new house or putting a new roof on your existing house installing tar paper first helps waterproof the roof and prevent leaks. Begin at the bottom edges of the roof and go up. According to most building codes and manufacturer recommendations the drip edge should be installed beneath the underlayment along the eaves of the roof.

Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it. Understanding the proper way to install the drip edge will only get you so far. How to install roofing tar paper. As you roll it out make sure that it remains flat.

Lay the first strip of tar paper side to side with its bottom edge along the edge of the roof. Afterward roll the felt away from you lengthwise along the lower edge about 10 feet 120 in. Begin at the bottom right or bottom left of the roof. But over the underlayment along the rake edges of the roof.

On hot days which are ideal for using tar paper the heat from the sun will help soften the sticky side of the tar paper and melt it into place. Start the roof felt at one bottom corner of the roof. Does drip edge go over or under felt. Use more if the day is windy.

Place just enough tacks to hold down the tar paper. I finished installing 30 roofing felt paper on my 10x12 shed but after reading around it seems i put the wrong side up. Tack it down with galvanized nails a hammer tacker or an electric staple gun. Meaning the lines that were marked on the felt are facing down instead of up.

Tack it in place at the corner with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof. As you work the paper can be tacked down in the center so it won t blow away.