How To Insulate A Flat Roof House

Depending on the weather and usage of the roof during its lifespan the insulation board may still be in a good enough condition to re use when the time arrives to replace the roof itself.

How to insulate a flat roof house.

We ve had a new 60 mil gaf tpo roof system put on our house. A great example of this is powerdeck f insulation board which is both rot resistant and highly durable. An atlanta architect is looking for the best way to insulate the flat roofs he often includes in his designs for contemporary houses. As it sits i.

I live in south florida and am redoing my pitched roof to metal from tile and the smaller part of my house that has a flat roof just a bedroom and bathroom. This is then covered with a further weatherproofing layer. The roofers want to know if i want them to install one layer of 1 5 roof insulation boards over my flat roof for an r value of 8 5. The house has a 1 12 pitch roof.

So glad i found your site. Will start posting my story when the time comes. Cold roof a very bad idea. See our events listing for details and simply filter for flat roof insulation.

Is a flat roof the problem. Cathedral without any attic space. To produce a hot roof rigid insulation is fitted outside above the weatherproofing. Framing roof membrane insulation filter fabric treated blocking and wood deck.

Visit a house with flat roof insulation in sep 2016 you can see flat roof insulation at four open home events around the uk this month. Rigid foam panels are available in thickness. The type that is right for your flat roof insulation job depends upon the state of the roof expert opinion on the best type and your budget. Use rigid foam insulation panels on your flat roof before applying the final roof covering or inside the house before adding sheetrock or paneling.

Flat roof insulation cross section. Gable roofs hip roofs intersecting roofs butterfly roofs mansard. Although this photo doesn t depict the house in question it illustrates some of the challenges faced by flat roofed buildings. Roof types the various types of roofs found on homes sheds garages and other buildings fall into one of the following categories.

A 1 5 inch polyiso insulation was installed under the tpo with a 2 4 boarder as a nailer support. With a flat roof this issue does not arise but the u value constraint and the amount of insulation needed is just the same. Cold roof systems are highly inadvisable as insulation from the inside will inevitably lead to the formation of condensation.