Table of Contents
How do you install roll roofing?
Six Steps to Install Roll Roofing Step 1: Prepare the Roof. In preparation for installing the roofing material, you first want to clean the roof. Step 2: Apply Roofing Cement to the Edges. Step 3: Attach the Base Sheet. Step 4: Attach the Second Sheet. Step 5: Seal the Vents. Step 6: Overlap the Valleys.
Do you nail down roll roofing?
Do you nail down roll roofing? Nails are typically used to secure this type of roof. You can nail the separate layers by hammering the nails in 10-inch intervals across the roof. After that, you’ll want to use cement to cover them and seal them in place.
Do you need underlayment for rolled roofing?
Q: Should I underlay my roll roofing? It depends on your budget, but installing an underlay is not out of necessity but preference. While roll roof underlay is not costly, they offer some layers of protection. Make sure you nail down the underlay and then roll it, making sure it is both smooth and flat.
How do you nail down asphalt roll roofing?
Attach First Course. Position the first course so it overhangs the drip edges by about 1/4 inch and roll it out a distance of 8 feet or so. Drive nails every 3 inches along the rake at one end, pull it taut, and drive nails along the eave edge. The nails should be about 1 inch from the edges.
Can I put rolled roofing over rolled roofing?
Rolled roofing is very adaptable and can be cut into 12-inch by 36-inch strips to act as hips and ridges or 9-inch strips for eaves and rakes. If removing your current shingles is a problem, it is usually permissible to re-roof over your existing roof with rolled roofing.
Can you shingle over rolled roofing?
Shingles can be applied directly over rolled roofing. There are two approaches to installing new shingles on a home. The second approach is to do what is called an “up and over.” In an up and over, the new roofing is installed right over the old roofing materials.
What is the best underlayment for rolled roofing?
Tyvek is a good choice as an underlayment to roofing products other than asphalt shingles—things like cedar shingles and metal roofing. It’s also a fully weatherproof underlayment, which is a huge advantage in areas that see a lot of extreme weather events.
Is peel and stick underlayment worth it?
In areas prone to strong wind and rain, peel and stick underlayment is always a better choice compared to traditional solutions like asphalt. Peel and stick is significantly more efficient in minimizing the risk of water infiltration and damage.
What is minimum rolled roof slope?
As a primary roof covering, roll roofing is used on slopes down to one inch per foot. If the exposed nail method of application is used the minimum required slope is two inches per foot. The roofing is applied either parallel to the eaves or parallel to the rakes.
What size nails do you use for roofing?
Roofing nails should be round-headed, sharp-pointed 11-gauge galvanized steel or the equivalent corrosion-resistant roofing nails. Nail head sizes recommended are 3/8-inch to 7/16-inch diameter. Nail heads should be low profile, smooth and flat. Nails should comply with ASTM F1667, Type I, Style 20.
How do you cut rolled roofing?
Align the blade of the utility knife with the notch you placed on the edge of the rolled roofing, roll the piece of roofing toward the utility knife and then pull the utility knife across the width of the rolled roofing with the handle of the knife resting against the side of the roll for a straight cut.
How do you apply Gardner roll roofing adhesive?
Apply on a clear warm day with no rain forecasted for 24-36 hours. Apply when surface temperatures are between 50° and 120° F. In colder weather (50° and below), product should be stored in heated room (70° to 80° F.) at least 24 hours prior to application to promote ease of application.
How do you use Henry roll roofing adhesive?
HE203 – ROLL ROOFING ADHESIVE is suitable for application with a notched squeegee or 4-knot roofing brush. Stir adhesive to uniform consistency before using. Do not thin. Apply adhesive evenly and uniformly with full coverage between each layer.
Can you join a pitched roof with a flat roof?
If the flat roof covers an unheated area, it also adds additional risk for ice dams, which may also cause leaks. While roofers successfully connect flat and pitched roofs all the time, they must be careful to create a smooth transition between the two surfaces.
How long will rolled roofing last?
The average lifespan of asphalt roll roofing is 5 to 10 years. With proper maintenance, you can expect to get the maximum life from your asphalt roll roof.
What is double coverage roll roofing?
Double coverage roll roofing is a 36″ wide sheet of which 17″ is intended for exposure and 19″ for a selvage edge. It provides double coverage for the roof and may be used on slopes down to 1″ per foot.
How long is a roll of 90 lb roll roofing?
Asphalt roll roofing comes in a wide variety of styles, colors and textures, in rolls typically 36 inches wide by 36 feet long that weigh approximately 90 pounds.
