Roof Hang Overlay Or Not

Is an overlay roof a bad idea.

Roof hang overlay or not.

Roof that has undergone overlay may not last longer as tore off roof would because the added layer did not really resolve the existing roof problems but only served as temporary fix. I fact some states do not allow roof overs at all. One important thing to remember. This is exactly what it sounds like simply applying a new roof layer over the existing one rather than the tear off method of replacement more commonly done.

When you overlay it you are not catering to the problems that might lay underneath. If the roof underlay isn t in good shape this could affect the structure of your existing roof. Things like mold water damage and broken shingles are going to be forgotten about because you can not cater to those problems to your first roof when you implement an overlay. A flat roof that had been over coated with a liquid based system which itself is breaking down a bonded overlay would not be suitable although with some preparatory works a mechanically fastened overlay system might be an option.

Well two believe it or not. Overlaying your roof as you can probably guess overlaying your roof is the inferior option but it s not unheard of and may make more sense to you depending on your situation. Typically your builder will provide two options. This is mostly due to the fact that a brand new roof traps much less heat than a roof with multiple layers.

The cons of a roof overlay. It sounds messy doesn t it. When it comes to shingle roofs you do have the option of doing an overlay. Lasts longer on that note a full tear off roofing job will last you much longer than an overlay will.

Extra heat causes shingles to curl and break down much more quickly. Although most people will assume that the second option is best why keep the old and damaged shingles overlaying provides several benefits as well. The added layer of shingles increases the on your roof. A roof over doesn t allow an inspection of the underlying structure of the roof.

The shorter term products break down quickly and therefore would not be suitable to overlay particularly if adhering to. With an overlay roof you actually keep your existing roof in place and put another one on top of it. And in fact that s the primary reason a homeowner opts for an overlay roof. Added layers on the roof through overlay may not look appealing.

1 overlaying the new roof over the existing layer of shingles or 2 tearing off the old shingles before installing the new roof. You can t lay another layer of shingle onto an already overlaid roof. There could be uneven layers of shingles or maybe tore off edges that may. While a roof overlay is an affordable option it may not be the best for all roofing needs.

This shortens the time it takes to install the roof and saves you a bit of money on labor. Since an overlay roof is just put on top of the existing roof your roofer s crew doesn t have to tear off your existing shingles redeck the roof or do as much cleanup. You can only really overlay a roof once.