Table of Contents
How do you tie new shingles to an existing roof?
The easiest way to tie in the new shingles with the old is with a cut valley (see Four Ways to Shingle a Valley). After the addition roof is framed and sheathed, snap a line on the existing roof shingles 2 in. up from the valley center, and cut through the shingles and underlayment.
How do you join two roofs together?
How to Join the Roof Pitches? Step 1 – Preparing the Area. Step 2 – Measuring the Length of the Joined Area. Step 3 – Prepare a Piece of Flashing Material. Step 4 – Place the Flashing on the Meeting Point. Step 5 – Sealing the Edges of The Roof with Lumber. Step 6 – Apply a Bead of the Sealant Material.
How do you extend a shingle roof?
The following are the top 10 ways you can extend the life of your roof: Choose a reliable, qualified roofer. Keep the gutters clean. Remove leaves. Trim any overhanging branches. Keep an eye out for damage. Have your roof professionally inspected and repaired. Dislodge snow. Maintain adequate insulation.
Can you build a roof over an existing roof?
When it’s time for a new roof you have a couple options to pick from, you can either remove the old roof or replace it with a new one. You can also build over your existing roof. Roofing requires a flat surface so the curled shingles will need to be removed.
Can you put rolled roofing over shingles?
Q: Can I install roll roofing over shingles? Yes. The reason is simple: both roll roofing and shingles are a composition of the same asphalt material. Besides, roll roofing is easier to install on your roof.
How do you join two roofs with the same pitch?
Position the flashing between the two roof pitches. Slide the right edge of the flashing under the highest roof pitch. Place the 2-by-4-inch piece of lumber along the center of the flashing. Gently bend the flashing using the edge of the lumber until both sides of the flashing match the slope of the two roof pitches.
How do you blend old shingles on new roof?
How Can I Blend Existing and Replacement Shingles? If you’re looking to blend new and old shingles, saving shingles from your original roof installation is an excellent first step. If shingles have faded, try going a shade lighter with the same manufacturer.
How do you preserve asphalt shingles?
Asphalt shingles should be stored: flat, in un-opened bundles with labels intact and legible, in cool, not freezing and not hot temperatures (under 110 degF.), under cover, protected from the weather, protected from damage by stacking more than two pallets high, and kept that way until they are ready for use.
How long does a roof shingles last?
The life of a roof is how many years you get out of it. For a standard 3-tab asphalt shingle roof, that’s 25-years. As long as your roof has been properly ventilated and installed you should get pretty close to that 25 years of roof life.
Is it better to remove old shingles?
While a repair job can often be more convenient and somewhat more cost-efficient, placing new shingles over old ones is never a good idea. Whether repairing one section of roof, or a replacing a whole one, it’s always best to pull up the old shingles before putting down the new ones.
Can you frame a new roof over and existing roof?
Roofing over an existing roof is also called reroofing or an overlay. It is the process where roofers install a new roof over your existing one, i.e. add a new layer of shingles, which means that there is no tearing off of the old roof.
How do you install rolled roofing over existing roofing?
Before you begin, thoroughly clean the existing roof, removing any debris like leaves or sticks. Then, install a layer of roofing felt to provide a sturdy base for the new roll roofing. Once this has been done, the roll roofing can be installed in the same manner as if it were over bare roof sheathing.
How much do you overlap rolled roofing?
The piece should overlap the lower course by at least 4 inches. Cut a hole in the roll roofing and slip it over as well. Embed both roofing pieces in cement.
Can you put rolled roofing on top of 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.
How many layers of shingles can you put on a roof?
In most states, you’re only allowed to have 2 layers of shingles on a roof for fire safety reasons. However, you’ll still see roofs that have 3 or 4 layers today. If you already have 2 or more layers, a contractor will recommend a full replacement.
Do shingles get darker with age?
Asphalt shingles do indeed fade, but the rate at which they lose color can vary, especially when it comes to shade. Dark gray shingles will fade to lighter grays more easily than shingles that start out in lighter shades. If you want your shingle color to last, try to pick out lighter colors.
