Table of Contents
Which side of roof 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.
Does roofing felt need to be glued?
The reason you should use adhesive sparingly is because the bitumen in the shed felt will expand in warm weather and it will contract in cold weather. Not using too much adhesive allows it some give, which prevents it from tearing or cracking.
Can you nail roofing felt?
However felt can now be fitted using a simple hammer and nail technique, as well as some roofing felt adhesive, meaning it is easy to do and relatively quick, and can be undertaken by DIYers and professionals alike.
Do you overlap roofing felt?
Remember to leave a 2″ overlap. Drive about five nails in the top right-hand corner and roll out the felt about halfway (perhaps 25 feet) across the roof. Stand on the first course of felt and work with the second course of felt above you. It is not necessary to completely nail the top edge of the course.
Does roofing felt go over or under drip edge?
1 Answer. It depends on where the drip edge is. 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.
Does roofing felt have a right side?
Apply felt right up to the ridge or to no more than 4 inches below it. (Rather than cutting the felt horizontally to fit, overlap it by more than 4 inches.) Apply felt on the ridge so it overlaps at least 8 inches on each side.
What is the best adhesive for roof felt?
Answer: Bostik Bituminous Felt Adhesive for Roofs is a cold applied adhesive for bonding bituminous roofing felts to asphalt, felt, metal and concrete.
Does shed roofing felt need adhesive?
To successfully install roof felt, you should use adhesive sparingly. This is because the bitumen in the shed felt will expand in warm weather and contract in the cold. If you use too much adhesive it will not provide as much give which could lead to tearing or cracking.
Can you put roofing felt on wet wood?
The felt is actually what keeps your roof dry! The shingles are in place to protect the felt. Roofing felt should ideally be dry when shingles are installed to avoid ripping, but it’s still possible to install when wet. The felt can be damaged if exposed to moisture too long.
Can I staple 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.
What nails do you use for roofing felt?
Galvanised nails can be used in a wide range of applications, but are most commonly used in the installation of asphalt shingles and felt on outbuildings, sheds and more – wherever adverse weather conditions are common, galvanised nails are a good choice.
How do you finish felt edges?
To fix wavy edges More washing. Using a washboard or solar pool cover to provide the maximum agitation, wash and scrub just the edges. Roll with doweling. Furl the edges. Ironing the felt flat. Cut a straight edges around the felt. Felt areas to shrink them straight. Furl the edges of the felt. Pull the felt into shape.
Which way up does roofing felt go?
It has to go rougher side up, but there is no specific top or bottom. Make sure the felt placed higher up overlaps the lower piece.
How many inches should each layer of roofing felt overlap?
Roofing Requirements 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.
How far should shingles overhang drip edge?
Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.
Should there be a gap between drip edge and fascia?
The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. The shingles should also overhang the drip edge 3⁄8 to 1/2 an inch.
What is the purpose of drip edge on a roof?
Drip edge is metal flashing installed at the edges of the roof to keep water away from your fascia and from getting underneath your roofing components. If your roof doesn’t have drip edge, water gets behind your gutters and rots out both your fascia board and roof decking.
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.
