How Many Layers For Fixing The Roof

For many years it was acceptable to put even the third layer.

How many layers for fixing the roof.

There are some advantages to roofing over existing shingles says dale richards owner of richards roofing in troy michigan. Additionally if your roof is severely damaged it likely won t be able to support the weight of a reroof and will need to be torn off. Decking most often made out of plywood this roof layer is installed over the framing in a typical roof install. Depending on the current material of the roof which is currently being used it may be wise to consider either a layer of epdm or tpo which are both known to be very durable for flat roofs.

On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing. Here are the layers of a roof in order of application bottom to top. The homeowner will have two layers of shingles protecting the roof and the home is less likely to have ice dams he says. Richards also estimates that the homeowner saves at least 1 000 in costs associated with removing and properly disposing of the existing shingles.

Therefore if you already have two layers you ll need a full tear off. However in almost all areas it is not acceptable to install more than two layers of roofing on any commercial building. Every roof can be different in certain ways.