How do you tie in shingles to an existing shingles?
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 bond shingles on a roof?
- Buy materials. At any hardware or home improvement store, you’ll be able to pick up roofing sealant or cement.
- Glue. Dab the cement or sealant on the corner(s) of your shingle.
- Allow to dry. Place a heavy object, such as a brick, on top of the shingle to hold it in position during drying.
Can you build a roof over an 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.
Can you put a new roof on top of an old roof?
Do shingles need to be glued down?
As asphalt shingles get older, their corners often begin to curl downward or upward. If you notice a shingle starting to curl, you can forestall the inevitable curling by gluing down the curled section. Use a caulking gun to apply a dab of roofing sealant (about $4 per 10-oz. tube) under the corner.
Should shingles be glued to drip edge?
In order for the Roof Edge Seal or a band of roof cement to be effective at holding shingles down, they must be bonded directly to wide metal drip edge. I usually use drip edge with a minimum 5-in. -wide roof leg. Then I nail it down at about 4 in.
How to add 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. Starting two courses higher than where the new ridge meets…
Can you tie a metal roof to a shingle roof?
Can you tie a metal roof into a shingle roof? In short, yes, you can join a metal roof to a shingle roof. The point where the two meet is known as the transition. To protect against water intrusion, you’ll need to install transition flashing along the line where these two roofs connect.
How do you install roofing nails for shingles?
Install roofing nails according to the manufacturer’s instructions, using the spacing, pattern, placement and number of nails specified for your location and the slope of your roof. For example, if you live in an area with high winds or if you have a steep roof, you may need to secure the shingles with six nails.
How do you install shingles on a ridge cap roof?
Install courses of shingles up to the ridge of the roof. Repeat the installation for the other side of the roof. Install a ridge vent (if applicable) and ridge cap shingles according to the manufacturer’s instructions. Clean debris out of the gutters and from around the house.