Rigid boards are manufactured from either.
Foam board ceiling insulation.
The air space will be continuous down to the soffit vents and up to the ridge cap vent.
Project panels foamular 1 in.
R 5 small projects rigid pink foam board insulation sheathing model pp1 view the owens corning diy insulation solutions 5 98 5 98.
Click to add item r 3 expanded polystyrene foam board insulation 3 4 x 14 1 2 x 48 6 pk to the compare list.
You can even place it under the foundation slab.
Regular ceilings are likely to be under attics with either batt insulation between the joist bays or in some cases rigid insulation between the rafters.
2 in x 4 ft x 8 ft.
Shop at lowe s to find the foam sheeting you need for your next insulation project.
Spray foam is a very expensive option however.
Compare click to add item r 3 expanded polystyrene foam board insulation 3 4 x 14 1 2 x 48 6 pk to the compare list.
1 875 in x 3 937 ft x 7 785 ft 1 faced polystyrene foam board insulation.
Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.
Rigid insulation is one of the best tools to reduce your energy costs.
I m using 2 foam board 2 foil faced polyiso r value is approximately r14 fastened to the bottom of the 2 6 truss chord which leaves a nice 2 1 2 air space.
Install it anywhere from the roof to the foundation.
This foam board insulation is the rigid pink or blue panels that can be found.
Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings.
In most cases however insulation will not help prevent moisture problems.
This is the same stuff your disposable coffee cup and is made out of and it s used to.
Foam board the last option that i considered and the one i m using is foil faced polyiso insulation board.
Foam board insulation would be a more economical especially if you are supplying the labor see photo.
Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more.