What do you put behind cedar shingles?

Felt underlayment/tar paper: Felt materials are a traditional underlayment option for cedar shingles made from a base of natural materials like wood cellulose or synthetics like fiberglass and coated with a protective asphalt coating to repel moisture and debris.

How do you install a cedar shingle roof?





Quote from the video:
Quote from Youtube video: So now the trick to installing any roof shingle it needs to overhang on the sides about 3/4 of an inch. And on the front leading edge a wood shingle should be an inch and a half to an inch and 3/4.

How do you use a cedar breather?

Quote from the video:
Quote from Youtube video: They go in between each course of shake in that application the cedar breather is going to go over the top of the roofing membrane and the first 36 inches that directly over the top of the deck.

How do you finish a ridge cap on a cedar shake roof?

Lay down a layer of shingles with a second layer over the top until the shingles meet at a single, straight peak. Cover all of the nail heads with roofing cement. Cover the length of the cedar shingle roof peak that the new layers of shingles have made. This creates a waterproof seal over this rough roof peak.

Do you need underlayment for cedar shingles?

While cedar is one of the most versatile and durable materials you can use to build your roof, no roofing job is complete without a proper underlayment for protection. Underlayment is placed right over the roof deck beneath everything else, including insulation.

Can you use Tyvek under cedar shingles?





Quote from the video:
Quote from Youtube video: The western red cedar lumber Association recommends that cedar siding be installed over a breathable or gas permeable.

How do I start my cedar shingles course first?

Quote from the video:
Quote from Youtube video: And then gently push it against it with a little bit of an air gap. Don't force it tight you want to have a little bit of a gap there. All.

How much should cedar shingles overlap?

from each edge of the cedar shingle and 4 cm (1 1/2 in.) above the exposure. To avoid buckling, allow 3 to 6 mm (1/8 to 1/4 in.) space between each shingle for expansion (depending on degree of humidity).

Do you gap cedar shingles?

The basic idea is that the shingles should be installed with 1/4- to 3/8-in spacing between neighbors; this gap is called a “key.” We’re doing a 5-in exposure, which means the bottom 5 in of the the shingle will be visible, while the top 13 in will be under higher courses.

How do you finish the top of a cedar roof?



Quote from the video:
Quote from Youtube video: Your nailing or in this case stapling in the middle of the shingle. So that nail or staple gets covered by the next row. So we're just going to work our way up here we've started a couple rows here.

Can I use roofing nails for cedar shingles?

Nail Sizes for Cedar Shingle Roofing



Nails should be long enough to penetrate underlying materials in the cedar shingles at least 3/4 inches, or all the way through.

How do you close ridge cap shingles?

Quote from the video:
Quote from Youtube video: So I've got a nail head there and a nail head here and now all I'm gonna do is dab on just a little bit of this cement. To cover that nail.

Does a cedar shake roof require underlayment?



Shakes should never have underlayment installed except where an ice barrier is required over solid sheathing. Instead, interlayment is required. Interlayment consists of an 18-inch-wide strip of 30-pound black felt installed between courses of shakes.

How is the underlayment installed on a wood shingle roof?

Ventilating Underlayments Used with Wood Shingle/Shake Roofs



It lays over the felt paper and is tacked in place. It creates a continuous air space below the roofing, helping the shingles to dry out more rapidly and evenly.

Is cedar breather necessary?

Not only is it worth it, it is necessary. Cedar shakes/shingles need to have airflow underneath them so that they dry out evenly. During a good soaking rain cedar will absorb a lot of water, if they dry unevenly after a while they will start to curl and split.

What is under cedar shake roof?

Under the Cedar Shakes are furring strips. Furring strips are 4” wide boards that are spaced apart several inches, to hold up cedar shakes while allowing them to breathe. This does not work well with asphalt shingles because asphalt shingles are designed to go onto a solid wood surface.

Are cedar shingles waterproof?



Are cedar shingles waterproof? Cedar wood shingles are prone to mold, mildew, and insects. It is important to note that the wood on a cedar roof is not intended to be waterproof, and is therefore quite susceptible to wind-driven rain. Any natural product exposed to water is vulnerable to mold, mildew and erosion.

Do cedar roofs leak?

Cedar shakes expand in moist weather and contract in warm weather. Over time, this can cause some of the shakes or the roofing paper underlayment to deteriorate, which may result in a leak.

How long do cedar roofs last?

Cedar roofs are always working hard to fight off the elements. The minimum cedar shingle roof life expectancy is 30 years — however, when you regularly maintain it, it can last an astounding 50 years or more. We’ve even seen some Cedar roofs last over 90 years!