Can You Put New Shingles Over Old Ones

Has the same manufacturer s warranty.

Can you put new shingles over old ones.

Tear offs increase labor costs and they generate waste that typically requires transportation to a landfill. Is it okay to put the new shingles right over the old ones. Then we ll look a lot more reasons why you might not want to do this. Now that we ve taken care of the primary question at hand we ll consider a couple of reasons why you might want to do this.

But you must take care to install shingles correctly so they lie flat. Placing old shingles over top of the new ones is only possible with asphalt shingles which are also known as composition shingles. Manufacturers will still warranty the roof for the same amount of time as a re roof as long as it s done by a qualified installer. You won t need to pay for removal and disposal of your old shingles because they re not going anywhere and the lower number of man hours keeps cost way down.

The third layer of shingles will be too heavy to be supported. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. Less labor generally means less cost and it certainly applies to a re roofing job. If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles.

If you re not sure whether needs replaced it s always best to consult with a roofing expert instead of just winging it. The basic rules know this. Adding new roofing over old sometimes called a re roof is possible only with asphalt shingles also called composition shingles. The answer is yes you can lay new roof shingles over old ones.

Putting new shingles over the old ones is possible however there are also times when it just won t work. Your new shingles will likely not last as long as promised. You can save a lot of money. In the right situation putting new shingles over old ones saves money and helps the environment.

Although placing new roofing over old may be allowed by some codes roofovers tend to be inferior and won t last as long as a roof installed over stripped sheathing. You want to be sure that you will be installing the shingles over only one other layer though. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. The short answer is yes you can lay new roof shingles over top of the old ones but there are other reasons to take into consideration.

Although it is often necessary to remove old shingles it s great when you can avoid the added expense of a tear off. It s not ideal to install new shingles without removing the old ones but follow this pro advice if you do.