No Insulation In Roof

You can also add rigid foam insulation under the rafters which adds r value and eliminates thermal bridging through wood rafters.

No insulation in roof.

In a vented roof foam can seal the openings and serve as an air barrier and a vapor retarder in addition to its insulating function. Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no. The materials used to insulate under the roof include batts of mineral or glass wool insulation held in place by battens of wood attached to and across the rafters alternatively polystyrene. Hi sorry for the length below.

The old roof was tar and gravel so the switch to tpo should show significant change. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. For the same reason insulation shouldn t touch the roof s underside. I have a 1947 home in florida with an almost no slope roof that has no attic and has no ceiling insulation.

Also there is a soffit vent but none at roof peak. Should i leave out the soffit vent. It s so charming b c the exposed beams inside have never been covered but as you can imagine it s hot. Foam insulation can play an important role in both vented and un vented roof assemblies.

I have an insulation factor of about 8 10 plus the reflectivity of the white tpo. Need some guidance on an old house roof insulation issue. Foam and the roof assembly. In an un vented roof foam can serve as the air barrier and vapor retarder and prevent moisture.

The r 13 faced batt insulation is comprised of the r 13 faced batt insulation is comprised of pre cut widths to fit between the studs and joists in your home. Some context before my questions. Owens corning ecotouch insulation is soft to the touch easy to cut and install. Is there any advantage to trying to get any insulation in between the 2 8 rafters.