Re-roofing an existing roof made of shingles: Some important facts
Roof re-roofing vs. roof replacement: what's the difference?
Installing a brand new roof over an existing one is known as reroofing. It is the process of laying a new roof over an existing one, i.e. the addition of a new layer of shingles, without removing or cutting off the previous one.
Roof replacement is the procedure of replacing a roof. This involves taking off the old roof. Roofers who are replacing their roof in Toronto will rip everything off, all the way to the deck of the roof, and start over with the new roof starting from scratch beginning with an underlay like Armourbase Pro Plus and then installing the new shingles.
What is the most appropriate moment to replace the shingles on an old roof?
If your roof is in need of improvement or your roof starts to fall apart, but the building foundations are sturdy and the wooden deck is in good condition, then reroofing might be the best option. It signifies that your roof is losing granules and are wearing down due to age or weather, but they're not leaky, curling or falling off. These conditions make it possible to apply a fresh roofing layer on top of the existing one.
If you're looking to make an easy change, then re-roofing may be an option. You can alter the design or color of your roof in order to make it look more appealing if you're remodeling. Since the layer of shingles is slightly higher, putting in the new layer of shingles will give your roof depth and also a 3-dimensional look.
Cost
Re-roofing is considerably less expensive than a complete roof replacement. This is because the underlying structures and shingles are not taken away. This means there's less time and effort required, resulting in reduced costs. The roofer can begin building the new roof shingles immediately and not have to spend time in removing and disposing off the old ones. In addition, with no tears, you have no negative impact on the environment which is an issue for all of us!
Is it ever an ideal time to replace the roof of your house?
Following their roof inspection, a skilled roofer will come to you with his report or a recommendation and explain why your roofing is not suitable for re-roofing. To be sure that you're making the right choice do some estimates for your roof from various contractors. This way you'll be able to select the best roofer for your needs.
One of the most significant and most basic reasons that a roof isn't suitable for reroofing is curling shingles, as you can only apply a new layer of shingles in the event that the existing roof is flat and even. The existence of signs of deterioration within the wood structure underneath, such as decay and sliding, is also a factor.
There are a few things you should be aware of before making any important decision.
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