Roof Tear Off Or Overlay

Depending on the width of the pipe you may need to tear away a segment or two of the rubber boot.

Roof tear off or overlay.

In a nutshell however roof tear off method is much better compared to overlay. With an overlay roof you actually keep your existing roof in place and put another one on top of it. There are generally two options when installing a new roof. Overlays save on time labor and disposal costs.

It takes a lot more labor to completely remove all the existing roofing material and then replace all the layers removed. It s the most established way of installing a new roof but it s not the only way. However the truth is so many variables have to be just right in order to make it work that it s much more likely to cost you money in the end. Tear off the old one and start from scratch or overlay a new roof one on top of the old one.

Higher costs on average a tearoff roofing job costs around 25 percent more than an overlay. If you don t take your roof down to the sheathing you will never know if you have proper underlayment or are experiencing sheathing rot or ice or water damage. The old roofing also has to be disposed of properly which adds to the cost. There are pros and cons to both approaches.

When the roofing company you hire tears off your existing roof and then puts on an entirely new roof. You can t examine the decking to determine if there is any damage that needs repaired. An overlay roof occurs when keep your existing roof as is choosing instead to shingle on top of it. It s good to know that you can only choose this option if your roof has not been overlaid previously.

A tear off roof is adhered after the existing roof is removed while an overlay is attached on top. Many people are attracted by the idea of overlaying existing asphalt shingles especially if the price quoted is lower and the contractor seems confident you don t need to tear off your old roof. The tear off method is exactly what it sounds like. Apply roofing cement slide the flashing over the pipe and push so it lies flat on the roof.

In general it is not a good roofing practice to overlay a traditional asphalt shingle roof versus a complete tear off and replacement with a new roof for the very reason you stated. The tear off method is self explanatory your roofing company will tear off the existing roof and replace it with a new one. Roofing tear off or overlay the question often comes up about whether an existing composition shingle roof should be torn off or if an overlay or recover is possible.