Quick Answer: Can You Put Plastic Under Roof Felt?

What do you stick roofing felt down with?

EVERBUILD BLACKJACK 904 Bitumen Roof Felt Adhesive is the ultimate cold applied, bitumen-based adhesive used to bond roofing felt to most surfaces metal, concrete, timber and more.

It provides an incredible high bond strength which delivers a tough but flexible film that hardens and softens with changing temperatures..

Can you lay roofing felt on top of roofing felt?

If re:felting over existing felt then the total area in question should be primed first to allow the new felt to adhere to the old as this is the only way to be sure the two felts bond together.

What are the plastic strips on shingles for?

GAF adds a thin plastic film to keep the sealant from activating while in storage and shipping. This film is protecting the shingles from sealing together while in storage, but does not align with the sealant adhesive when the shingles are installed.

Are you supposed to remove the plastic strip on shingles?

Because the cellophane strips have no effect on the performance of asphalt shingles, it’s fine to leave them in place as you install the shingles. In fact, the effort to remove them is unnecessary and just adds an extra step for the contractor.

What do roofers put under shingles?

Sometimes called roofing felt underlayment, roofing tar paper, or roll roofing, this is a layer of protection installed between the roof deck and the roofing shingles.

What is the thickest roofing felt?

Roofing Paper Thickness The most commonly used is #15, which comes in rolls 3 feet wide, is 144-feet long and covers approximately four squares per roll, or approximately 400 feet of roof. Felt #30 also comes in rolls 3 feet wide and covers approximately two roof squares per roll, or approximately 200 feet.

Can you put plastic under shingles?

The inspector said that there was 6 mil Plastic on top of the sheating and under the shingles . The plastic could cause moisture to build up between the plastic and sheeting. Tar paper breathes, plastic does not. … The plastic could cause moisture to build up between the plastic and sheeting.

Do I need underlay for felt roof?

You can increase the lifespan of new shed felt by using a method that is also used to protect the roofs of other buildings and structures when they have a pitch of less than 20 degrees. To use this method, you will need to use an underlay, which will need to be put in place before you install the shed felt.

Can roofing felt be glued?

Roofing felt adhesive is required when bonding layers of roofing felts together or to bond overlapping sections on single layer installations. Our adhesives and bitumen paints can be applied directly out of the tins with a brush.

How much does it cost to re felt a roof?

Flat roof replacement costs Felt typically costs around £50 per square meter whereas more high-end materials such as fibreglass usually come in at just under £100 but they provide more aesthetic options. Depending on your location, labour costs typically cost around £150 to £250 per day per worker.

What weight roofing felt should I use?

Weight Matters Asphalt-saturated heavy-duty roofing felt is available in 15- and 30-pound weights. The best weight for roofing felt is the 30-pound product, because it provides thicker and stronger footing for roofers that does not tear out, especially on steep roofs where footing is critical.