If you’re looking to install flashing to an existing roof, there are a few factors you’ll have to consider. First, you’ll want to make sure that your roofing is in excellent condition and that there are no leaks. After you’ve verified that your roof’s in great shape it’s time to measure the area in which you’ll install the flashing. After you’ve measured your area, you’ll need to cut the flashing to size and then attach it with nails or screws.
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Measure the area to be flashed
The measurement of the area to be flashed is an important first step in the process to install flashing onto an old roof. You will need to know the size of the space to be flashed, so that you are able to purchase the appropriate quantity of flashing material. Also measuring the size of the size of the area will provide you with an comprehension of the structure of the roof and the way in which the flashing will be placed.
Cut flashing to size
Start by cutting the flashing to size. In the case of a pre-formed pan then you’ll need to cut it to extend 6 inches beyond the edge of the roof. For roll roofs, you’ll need to cut it twice as long as the length of the roof. Then, cut the flashing horizontally in half so that you’ll have two pieces which are the same size as the roof’s width.
Get rid of any old shingles or nails
For installing flashing on a roof that’s already in place, first you’ll need to take off any old nails and shingles. Once you’ve done that you can then install the new flashing. Make sure that you overlap the flashing with at least 2 inches and then use corrosion-resistant nails or screws to secure it into the right place.
Install flashing securely onto the roof
If your house has an roofing system that is in place, you’ll need be extra careful for installing the flashing. First, take off any shingles or other materials which might be blocking your path. When the roof is clean then you’ll have take measurements and then cut your flashing to fit. Be sure to leave enough of an overlap to ensure that the flashing is securely fixed to the roof. After the flashing is installed, you are able to put up the new shingles , or any other types of roofing material.
Nail flashing in place
1. Check that the surface is clean and free of any debris.
2. Find the area that needs to be covered and cut the flashing to size.
3. Apply a generous amount of adhesive on the reverse of the flashing.
4. Apply the flashing and then hold it for a few minutes in order to allow the adhesive to become firm.
5. Nail the flashing in place using roofing nails.
6. Apply a small amount of sealant along the edges of the flashing, ensuring that it is sealed it in the right place.
Make sure the seams are sealed with roofing cement
After you have cut the strips of flashing to the desired length, lay them on the roof, so that they are overlapping the roof’s joints material by minimum 2 inches. After you have the flashing placed on the roof, apply a continuous layer of roofing cement to the surface of the overlap. Utilize a putty blade to smooth out the cement and remove any excess.
Apply caulk around the flashing
In order to install the flashing onto an already-existing roof, you’ll have to put caulk on the flashing. Begin by removing any old caulk and debris out of the location. After that, apply a substantial amount of caulk to side of the flashing that is below it. Be sure to smooth it so that it’s level and even. Then apply the flashing in the desired position, and seal it using more caulk.
Install additional shingles if needed
If you are installing flashing on your old roof structure, it may need to install additional shingles to create an adequate surface for flashing to adhere to. Start by removing damaged or missing shingles, then put the new shingles in their place. Be sure to overlap the shingles in order that the flashing is completely protected.
If you’re thinking about installing flashing on your existing roof, there are a few points to be aware of. First, be sure that you’ve got the proper equipment and materials. Then, take your time and make sure you don’t cause damage to your roof. If you’re not certain about which direction to take it’s best to engage a professional. With just a little planning and care it is possible to install flashing to your roof and keep your home in good condition for the decades to come.