Reroofing over an existing shingle roof: Some need-to-know facts
Roof refitting vs. roof replacement: what's the difference?
The process of installing a new roof over an existing roof is called re-roofing. This refers to placing a new roof over an existing one. it involves adding a new layer of the roof without taking down the old one.
Roof replacement is the process of replacing a roof. This involves removing an old roof. Roofers who are replacing their roof in Toronto will rip everything off, down to the deck of the roof, and then start the new roof from the bottom up beginning with an underlay, such as Armourbase Pro Plus, and then installing the new shingles.
What is the most appropriate time to replace shingles on the roof that is old?
If your roof needs an enhancement or your roof starts to fail, however, the building foundations are sturdy and the wooden deck is still in good condition roofing might be the right choice. It is a sign your shingles have lost the granules, or are worn out due to age or weather however they aren't leaking or curling, or are missing. All of these conditions are favorable for laying the new layer of roofing shingles over the one you have.
It is also an option if you just want or require a change. You can alter the color or design of your roof in order to make it look better if you are renovating. Because the current layer of shingles is slightly higher than the one above it, installing the new layer of shingles can give your roof a more substantial and even give it a 3D appearance.
Cost
Cost-wise it is certainly less costly than a total roof replacement. This is because the underlying structures and shingles are not removed. As a result, there is much less time and work needed, which results in lower prices. The roofing contractor can begin installing new roof shingles immediately and does not need to spend time removing or getting rid of the old ones. In addition, with no tears, you have no negative impact on the environment which is a major concern for all of us!
Do you think it's a good idea to allow your home to be re-roofed?
A certified roofer will look over your roof and give you a report or a recommendation. This will clarify the reason why your roof isn't suitable to be replaced. To ensure that you're doing it right take a look at a couple of estimates for your roof from various contractors. So you'll know how to select the best roofer for your needs.
Curling shingles is one of the most frequent reasons that roofs aren't suitable to be re-roofed. This is due to the fact that you can't install new shingles layers if the existing roofing is flat and level. There is a possibility of damage to the wood structure underneath the shingles, like decay and sliding, is also factor.
Here are some points to think about before making an important decision.
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