Currently the built up asphalt roof is installed over homasote or something similar and a roof deck made of wood planks.
Insulating attic with low pitch roof.
Eric dymond lives in a 1920s baltimore row house that needs a new roof.
There are lots of ways to insulate a low slope roof and most of them are wrong.
Stage 2 of insulating a low slope roof.
He plans on replacing the low slope built up roof with an epdm membrane and the question is how to insulate it correctly.
Specify roof trusses or conventional framing deep enough for 12 in.
If your attic is part of your living space or you live in a home with a cathedral ceiling or other low pitch type ceiling then you will probably need to insulate at the roofline.
Of insulation plus room for an air gap of.
In older buildings the usual method is to install fiberglass batts or cellulose on top of the leaky ceiling with a gap of a few inches or sometimes a few feet between the top of the insulation and the roof sheathing.
You also may need to insulate at the roofline if you live in a hot and humid climate.
If you want to vent a low slope roof here s what you need to do.