How Many Layers For Fixing The Roof

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.

How many layers for fixing the roof. A roofing contractor will know exactly how many layers of roof shingles are allowed in your area for your building but it is normal that you will be permitted up to three layers of shingles. Therefore if you already have two layers you ll need a full tear off. Decking most often made out of plywood this roof layer is installed over the framing in a typical roof install. On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing.

The homeowner will have two layers of shingles protecting the roof and the home is less likely to have ice dams he says. Every roof can be different in certain ways. 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. For many years it was acceptable to put even the third layer.

Epdm roofing and tpo roofing are also known to be able to typically maintain two layers of roof without causing problems. Richards also estimates that the homeowner saves at least 1 000 in costs associated with removing and properly disposing of the existing shingles. There are some advantages to roofing over existing shingles says dale richards owner of richards roofing in troy michigan.