How To Insulate An Attic Bonus Room

Do you notice ice dams on the roof above the bedroom over the garage in the.

How to insulate an attic bonus room.

Spray foam offers the highest level of energy efficiency but can be. When we come to a home to insulate the bonus room we find that there is nothing in the walls. So after we seal up the insulated air barrier for the bonus room knee wall we install a thick blanket of cellulose insulation around the duct. Often attic bonus rooms such as my own are above unheated garage or storage space.

By scott gibson december 2 2013. Insulating the roof of a bonus room a homeowner faces a familiar problem. Three options compared spray foaming the exterior walls. A better way to assure a warm and cool bonus room is to condition the garage space below by heating it or cooling it as needed.

In any case be sure to provide adequate ventilation in any enclosed attic spaces. Use traditional blown in insulation and wrap the exterior of the walls with foil backed foam board. Install traditional fiberglass batts. Best way to insulate a bonus room over a garage cathedral ceiling or attic insulation.

We put about 10 inches of insulation on all sides of the duct including below it for a good r 30 to r 40. Otherwise providing adequate thicknesses of floor wall and ceiling insulation and limiting glass in the bonus room is the best way to conserve energy. These would include the area above the cross tie and the spaces outside of the knee walls. The result is a comfortable room that s truly a bonus.

This helps keep the supply air coming into the room nice and warm. To make your bonus room habitable replace old insulation if needed and add an additional layer of rigid foam insulation. One of the best methods is rigid foam board with sealed joints over insulation in the knee wall. Turning an uninsulated space over the garage into a comfortable office.

When finishing a room above is garage it s important to get the insulation details right. You ll need to consider either or both more efficient insulation and some soffiting to get enough room for proper insulation. Sue36 14 years ago. How to insulate a bonus room.

At a bare minimum you re probably going to need r 19 wall and r 40 roof if not more. By utilizing spray foam directly to the underside of the floor sheathing cold floors can be minimized. This is not very easy in most of the older houses we work on because the hatches and attics are too small to get rigid foam board through.