Insulating Floors From Above

The paper side goes up to the floor and insulation shows.

Insulating floors from above.

Thanks for your help. If you have 2 inches of insulation your floor has an r value of 6 4. Is it okay to place fiberglass insulation between joists that are on a concrete slab with osb subfloor above. When insulating a bonus room floor you ll usually be working from below.

This strategy has the added benefit of minimizing the danger of contaminants from car exhaust paint solvents gardening supplies etc in the garage migrating into the conditioned space. Insulating floors above unheated garages when insulating floors above unconditioned garages first seal all possible sources of air leakage. Most homes require at least r 13 though homes in cold areas can benefit from more insulation. If the area of the heated bonus room above the garage is smaller than the area of the garage ceiling you ll need to install blocking between the joists to provide an air barrier where the floor insulation stops.

When insulating from above right a loose fill insulation such as cellulose is breathable and will fit into every nook and cranny. This will be heated living space. Insulating a suspended timber floor from above floor number floor boards before removing to make replacing easier for those considering whether to insulate a suspended timber floor this article describes our experiences installing pir thermal insulation board by removing the floorboards and insulating from above the floor. Locate the blocking under the kneewalls.