If you’re considering installing flashing on an existing roof there are some factors you’ll have to consider. First, you’ll need to ensure that the roof is in good condition and there aren’t leaks. Once you’ve confirmed that the roof is in good shape, you’ll need to measure the area you’ll install the flashing. After you’ve measured the area, you’ll need to cut the flashing to size and then attach it with screws or nails.
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Measure the area to be illuminated
The measurement of the area to be flashed is an important initial step installation of flashing to an already existing roofing. It is essential to determine the size of the area to be flashed so that you are able to purchase the appropriate quantity of flashing material. Also, measuring the size of the area will provide you with more understanding of the roof structure and how the flashing have to be put in.
Cut flashings to the size you need
Start in cutting off the flashing down to size. When you’re working with a pre-formed pan, you’ll just need to cut it to extend 6 inches beyond the edge of the roof. If you’re using roll roofing, you’ll need to cut it twice the length of the length of your roof. Then, cut the flashing in half vertically so that you have two pieces which are the same size as the length of the roof.
Get rid of any old shingles or nails
For installing flashing on an existing roof, first, you’ll have to remove any old nails and shingles. Once you’ve done that then you can put in your new flashing. Make sure that you overlap the flashing with at least 2 inches, and then use corrosion-resistant nails or screws to hold it in position.
Secure flashing onto the roof
If your home has an existing roof, you’ll need be extra careful when installing flashing. It’s the first thing to do is take off any shingles and other materials that may be in the way. When the roof is clean, you’ll need to measure and cut the flashing to suit. Make sure you leave plenty of an overlap so that the flashing is secure fixed onto the roofing. Once the flashing has been put set, you can install the new shingles , or any other roofing materials.
Nail flashing held in place
1. Make sure that the surface is free of any debris.
2. Take a measurement of the area to be covered and cut the flashing to the desired size.
3. Apply a large amount of adhesive on the back of the flashing.
4. Press the flashing into place and then hold it for a couple of minutes to let the adhesive set.
5. Fix the flashing with roofing nails.
6. Apply a thin layer of sealant around the perimeter of the flashing, ensuring that it is sealed it in the right place.
Cover the seams using roofing cement
After cutting the flashing strips to length, spread them out on the roof, so that they are overlapping the joints in the roofing material by minimum 2 inches. After you have the flashing positioned, apply a continuous bead of roofing cement on the bottom of the overlap. Utilize a putty blade to smooth the cement and then remove any excess.
Apply caulk all over the flashing
To install flashing on an existing roof, it is necessary to apply caulk to the flashing. Start by cleaning any old caulk and debris off the surface. Then, apply a large amount of caulk on the side of the flashing that is below it. Make sure you smooth it out until it’s level and even. Then, press the flashing into the desired position, and seal it using more caulk.
Install additional shingles as needed.
If you are installing flashing on an existing roof, you might require the installation of additional shingles to create an adequate surface for flashing to adhere to. Begin by removing any damaged or missing shingles. Then, put the new shingles in their place. Make sure you overlap the shingles in order that the flashing is completely protected.
If you’re thinking about adding flashing to your existing roof, there are a few things you need to keep in mind. First, be sure that you’ve got the proper equipment and materials. Also, be patient and be careful not to harm your roof. If you’re not certain about the right thing to do you should hire an expert. With just a little planning and care it is possible to install flashing on your roof and ensure that your home is in good condition for many years to be.