How to restore old asphalt shingles?
How To Restore Old Asphalt Shingles. 1 Clean Up. If your asphalt shingles are fairly new, a good cleaning is all they need to look good. Remove dirt and debris from the surface of the roof ... 2 Repair Small Holes and Cracks. 3 Apply Fresh Paint.
How do you fix exposed shingles on a roof?
Your last shingle is an exposed shingle. Take your shingle knife and cut the overlap part of a cap shingle so that there’s just half of a shingle. Use this piece to cover the overlap part of the last exposed shingle. Place one nail on either side of the ridge then seal the exposed nails with cement.
How much does it cost to re-roof with asphalt shingles?
A very general number for re-roofing with asphalt shingles might be $100/square or about a dollar per square foot. BUT you cannot use this number reliably.
How do you reshingle a roof?
In this video, This Old House general contractor Tom Silva explains how to reshingle a roof. Pry off old roof shingles with pitch fork. Nail down loose roof sheathing to rafters. Cover roof deck with 30-pound felt underlayment; staple felt every 6 to 8 inches. Nail drip-edge flashing to lower edge of roof.
Can you reroof over existing shingles?
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 the old roof will not be removed/teared off.
How do you reroof shingles?
19:0832:29How To Re Roof With Asphalt Shingles GAF - YouTubeYouTubeStart of suggested clipEnd of suggested clipPlace the shingles so that it is flush with the starter course overhanging the eave or drip edge byMorePlace the shingles so that it is flush with the starter course overhanging the eave or drip edge by 1/4 to 3/4 of an inch.
Can you put new asphalt shingles over old ones?
It's possible to shingle over shingles, to lay new shingles over existing ones and avoid the cost of a tear-off. If conditions are right, new shingles laid over old ones can be just as attractive and durable as shingles laid on bare sheathing.
How do you reroof DIY?
0:179:19DIY: How To Reroof A Roof - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis queen plastic wrap coiled roofing nails plastic roofing cement with gun staple gun with staplesMoreThis queen plastic wrap coiled roofing nails plastic roofing cement with gun staple gun with staples measuring tape a hammer. Some type of razor blade. Some type of roofing paper or roofing.
How do you start reroofing?
1:215:21How to Reroof Over Existing Shingles - IKO Blueprint for Roofing Part 9YouTubeStart of suggested clipEnd of suggested clipStart with a full length shingle. Use four nails per shingle placed per the respective shinglesMoreStart with a full length shingle. Use four nails per shingle placed per the respective shingles application instructions in this case for Cambridge that would be in the nailing.
Do I need to tear-off old shingles?
In most cases, more than two layers of roofing shingles does require a tear-off. Laying new shingles over old shingles is easily prone to leaks and reduces the life of the new shingles. This alone ought to be reason enough to do a tear-off; it's just a bad value not to.
Should I overlay shingles?
Shingles that installed over the existing shingle roof may not last their full life expectancy, due to extra heat trapped by the extra layers which can cause shingles to curl and break down. When you tear-off an old roof, you can see what's underneath, but with a roof overlay, you don't get that opportunity.
How many layers of roofing are allowed?
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.