How far apart should nails be on roofing felt?

Pull, straighten, and align the felt along the eaves. Be sure that there are no wrinkles. From behind the roll, reach over and nail down the top of the strip with roofing nails spaced 6 to 8 inches apart. Nail the middle and bottom of the felt similarly.

How far apart do you put felt nails?

Use temporary nails to hold the felt while you tack it down properly. The nail distances should be roughly 6-7 inches apart. Work slowly and keep things neat.

Do you nail or staple roofing felt?

Some roofers prefer to attach felt underlayment with 1-inch roofing nails or special nails with plastic washers, but most codes allow staples, which are easier to drive.

How much should roof felt overlap?

Roofing felt is required to overlap 2 inches over the lower felt course. The overlapping felt creates a secondary barrier for moisture and wicks water away from the shingles above and the sheathing below. Therefore, a 2-inch overlap provides redundancy at the edges where the barrier is weakest.

What size staples should I use for roofing felt?

How to Attach Roofing Felt. Tack or fasten roofing felt using stainless steel ¼” to ½” T50 staples or 7/8” to 1-1/2” hot-dipped galvanized or aluminum 12-gauge shank roofing nails with a 3/8” head diameter. Use the nails with or without plastic caps.

Roofing - Installing Tarpaper Felt - The Basics - Dry in of Mockup

Which side of roofing felt goes down?

Direction. When laying sheets of tar paper, always lay the sticky, glossy side down. Tar paper's two sides are noticeably different. One side is somewhat sticky, though don't expect it to leave a glue-like residue on your hands.

Can you put two layers of felt on a roof?

Assuming your roofing contractor is using standard 36" wide 15# roofing felt, "double coverage" means that each layer of felt put down across the roof laps 19" over the upper half of the previous course. (The first course starts with an extra 1/2 wide run).

Can you use a staple gun for roofing felt?

Staples can be used for tacking it down, but not recommended to hold. When the shingles are installed the felt is not going anywhere. Back in the day all I used was staples and /or roofing nails now plastic tops are the norm.

Do you overlap roof underlayment?

Overlapping 19 inches will ensure that the underlayment is at least two layers thick all over the roof. So, underlayment on low-slope roofs should overlap 19 inches. Remember that underlayment on steep-slope roofs should overlap 2 inches.

Should I use 15 or 30 lb felt?

If your roof does not have a steep pitch, you can use #15. This weight of felt is a good economic choice if you have a standard roof. But if your roof has a steep pitch, #30 is a better option because it is thicker and tears less during installation. With #30 you get a thicker layer of underlayment and protection.

Is roof felt adhesive necessary?

Considering the amount of rain that we get in the UK, to say nothing of the snow in winter and early spring, a properly waterproofed shed roof is essential. It is not enough to slap a few pieces of new felt over the old felt with a bit of glue, nor should you forgo the use of nails and glue all the felt down.

How many layers of felt should a flat roof have?

Felting a flat roof requires three layers of felt, so triple the square footage in order to calculate how much felt you require.

Does roofing felt go over or under drip edge?

At the side, or gabels, of a roof, the drip edge goes over the roofing felt. At the bottom of the roof, the drip edge goes under the roofing felt.

How do you finish felt edges?

Start with 10" of felt tacked in the first 2" with the underside facing you to the fascia/batten, fold at 2" back up to the roof edge, fold over the roof edge, lay the last 6" on the roof, stuck with tar-adhesive. Do that all round, tucking corners(to involved to explain).

How long can roofing felt stay exposed?

Roofing felt shouldn't be exposed to the weather for more than one or two weeks. The elements easily damage roofing felt underlay despite it being somewhat waterproof.

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 is the best adhesive for roof felt?

What are the lines on felt paper for?

Use the lines printed on the felt as guidelines for lining up the courses. The bottom of the second course of felt should be on top of the first course so that any moisture will flow over the layers of felt.