Installing New Roof Shingles Over Old Shingles

Has the same manufacturer s warranty.

Installing new roof shingles over old shingles.

Install a layer of roofing felt over the roof before you begin installing the new shingles. The cost for installing 30 year asphalt roof shingles is 8 per square ft. Damaged shingles should be removed to check the decking for problems. Damaged decking will need to be repaired before you can install any new shingles.

Most 30 year roof shingles are either an architectural or asphalt shingle. The felt should be secured every six inches with nails or staples. Finally i had time to put the video clips together. Do both sides first and then install ridge cap shingles over the top.

Cut the last ridge shingle to the length you need but be sure that no part of the roof is exposed. Overlap each shingle so it covers the nail underneath and then nail it down on top. Nails should be sealed with roofing tar to make it water resistant. Four years after installing my new shingles they re still nice.

Work from left to right or in a methodical way. How much do architectural shingles cost. Do this all the way across your roof. These shingles provide more depth to your roof while 3 tab shingles look flat.

But you must take care to install shingles correctly so they lie flat. If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles. As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof. A premium cedar shake is typically a 40 year shingle.

On some houses. Is it okay to put the new shingles right over the old ones. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Once you ve reached the ridge bend the shingle over the ridge so that each side is equal and nail it into place with a single nail on each side.

If the job is done correctly with the new layer of shingles laid flat over the existing shingles the old roof cushions the new one and serves as a secondary barrier should wind or water ever break through the new shingles. Step 3 cover the old shingles. Please click show more below to know. Manufacturers will still.

If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. Installing a new roof over shingles takes less time than tearing off the old roof. That s also why building codes commonly limit re roofing to no more than two layers. Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load.