Which side of tar paper goes down?

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. The other side is smooth like paper, and typically contains lettering and line markings.

Does it matter what side of roofing felt goes down?

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.

What are the lines on tar paper for?

There are pre-printed lines on the tar paper that help show you where to end the overlap. Usually 2 inches is plenty on a horizontal seam. If you have a vertical seam where one piece ends and another starts, make the overlap at least 6 inches.

How do you apply tar paper?

Does flashing go above or below tar paper?

Installing roof drip edge flashing properly

The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge. This lets any water that gets on the roof run down the underlayment and over the drip edge.

Tar Paper Facts

Does drip edge go below tar paper?

Does Drip Edge Go Over or Under Felt? According to most building codes and manufacturer recommendations, the drip edge should be installed beneath the underlayment along the eaves of the roof.

How Much Should felt paper 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.

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.

Which side of tar paper goes up?

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. The other side is smooth like paper, and typically contains lettering and line markings.

How do you install black paper?

Apply the tar paper to the outside of the building. Run it up to the window and doors, over the sticky paper. Start at the bottom of the building and roll the tar paper out horizontally across the face of the building. Tack it in place using a hammer stapler or a powered staple gun.

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.

Does the drip edge go over the felt?

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 drip edge go on all sides?

Drip edge is installed around the whole perimeter of the roof. It is used to hold the underlayments down and create a watertight seal around the edge of the roof. Only the face of the metal is seen and is usually just white one to one and half inch stripe located right under the shingles and above the fascia.

Do you overlap drip edge?

For proper water drainage, the drip edge on the rakes should always overlap the drip edge on the eaves. This works out correctly if you do the eaves first. Then, finish by installing the drip edge flashing on the rakes.

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.

What is the difference between tar paper and roofing felt?

The slight difference between the two is that tar paper is made of tar, while roofing felt is simply a fiberglass mat made of a synthetic, inorganic material known as asphalt. Whichever you opt to use on your roof sheathing, rest assured that it will prevent water from leaking into your house and causing damage.

How do you fix tar paper on a roof?

Run a bead from a tube of roofing tar along the bottom edge of the piece of tar paper that you loosened and underneath the bottom and sides of the new piece of tar paper, using a caulking gun. Press all of the tar paper down against the roof and nail it in place with roofing nails and metal disks.

How much do you lap tar paper?

Lay roofing tar paper when you have at least one other person to help. Place approximately 5 feet of tar paper at a time. Overlap each piece 2 inches over the piece before it. This ensures a secure barrier against moisture.

Do you nail down roofing felt?

Lay the first piece of felt

Use galvanised clout nails to nail the first sheet of felt onto the roof. We'd recommend nailing from the centre of the edge of the sheet and working outwards. Leave about 5cm between each nail, and ensure the sheet is pulled tight and sitting in line with the roof.

Can you put 2 layers of felt on a shed roof?

However most pent sheds have flat roofs with a roof pitch of 5-10 degrees and so the 7.5cm overlap of shed felt doesn't stop water getting in. For this type of shed it should have a minimum of two layers of felt, with the second layer fully bonded to the base sheet with a layer of bitumen adhesive.

Can you put tar paper on a wet roof?

It is important to make sure the roofing felt is completely dry before placing the shingles because any moisture in the roofing felt cannot evaporate once they are placed over it. Wet roofing felt may also rip while you are installing the shingles, rendering the felt underneath useless.

Is Tyvek better than tar paper?

When it comes to insulation, Tyvek provides a better solution than tar paper. The water-resistant barrier works as part of the efficiency program for your whole home. If you are looking for other ways to insulate your home, you can install actual insulation into the walls and install efficient windows.