If you’re planning to install flashing to an existing roof, there are a few aspects you’ll need to take into consideration. First, you’ll want to make sure that the roof is in good repair and there aren’t any leaks. Once you’ve established that your roof’s in great shape it’s time to measure the area where you’ll be installing the flashing. Once you’ve measured the space, you’ll need cut the flashing to size and then install it using screws or nails.
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Take a look at the area to be illuminated
Measuring the area to be flashed is an important initial step to install flashing onto an old roof. It is important to know the dimensions of the area that will be flashed so that you can buy the correct quantity of flashing material. Also measuring the size of the space will provide an understanding of the structure of your roof and how the flashing have to be put in.
Cut flashing to size
Start by cutting the flashing down to size. When you’re working with a pre-formed pan, you’ll just need to cut it long enough to extend 6 inches past the edge of the roof. In the case of roll roofing, cut the flashing twice as long as the length of the roof. Then cut the flashing horizontally in half to create two pieces with the same length as the width of the roof.
Get rid of any old shingles or nails
To install flashing on a roof that’s already in place, first, you’ll have to remove any old shingles and nails. After that then you can put in the new flashing. Make sure to overlap the flashing with at least 2 inches and then use corrosion-resistant nails or screws to hold it in position.
Make sure that flashing is secured to the roof
If you have an existing roof, you’ll need be extra careful in putting up flashing. The first step is to eliminate any shingles or other materials that might be in the way. After the roof is cleared it’s time to measure and cut the flashing to suit. Make sure you leave plenty of an overlap to ensure that the flashing is securely fixed on the roof. Once the flashing has been put in place, you can apply the new shingles or other roofing materials.
Nail flashing held in place
1. Make sure that the surface is free of dirt.
2. Find the area that needs to be covered and cut the flashing to the desired size.
3. Apply a generous amount of adhesive to the back of the flashing.
4. Place the flashing in place and hold it there for a few minutes to allow the adhesive to be set.
5. Fix the flashing with roofing nails.
6. Apply a thin layer of sealant around the perimeter of the flashing to secure it in the right place.
Make sure the seams are sealed with roofing cement
After you have cut the flashing strips to size, lay them out on the roof, so they cover the joint in the roofing material by minimum 2 inches. After you have the flashing set on the roof, apply a continuous layer of roofing cement on the underside of the overlap. Make use of a putty knife for smoothing 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 other debris off the surface. After that, apply a substantial amount of caulk to underside of the flashing. Be sure to smooth it out until it’s even and level. After that apply the flashing in the desired position, and seal it using more caulk.
Install additional shingles if necessary.
If you are installing flashing on an existing roof, you might require additional shingles to provide an adequate surface for flashing to stick to. Start by removing damaged or missing shingles. Next, you need to nail the new shingles in the appropriate spot. Make sure you overlap the shingles to ensure that the flashing is completely protected.
If you’re thinking about installing flashing on your current roof, there are a few points to keep in mind. First, be sure that you have the right equipment and materials. Also, be patient and make sure you don’t harm your roof. And third, if you’re not certain about the right thing to do you should engage a professional. With just a little planning and care, you can install flashing on your roof and keep your home in good condition for many decades to come.