Insulating Pier And Beam Floor

Alternatively you could fill the cavity completely using r 38 faced batt insulation.

Insulating pier and beam floor.

Cons of pier and beam foundations. The air space above the 9 1 2 inch insulation in the 12 inch joist cavity will help provide a warm floor inside the cabin. Lots of people asking if they could use this in the walls and ceiling. These stiff boards are placed close together on top of the floor joists.

If you want to insulate a floor assembly by leaving the joist bays empty and installing rigid foam on the underside of the joists here are a few things to keep in mind. It will provide additional insulating value for not too much more than what would be invested in the r30 insulation. Sharing my technique how i insulate my cabin floors and keep them rodent free. If you would prefer to install the insulation without the help of a professional one option would be to use foam boards.

Some homeowners prefer the feel of the wood platform over a concrete floor. According to the 2012 irc the minimum r value for floor assemblies is r 13 in zones 1 and 2 r 19 in zones 3 and 4 r 30 in zones 5 and 6 and r 38 in zones 7 and 9. Homes built on pier and beam foundations can be relocated if necessary. Pier and beam foundation homes in wetter climates may opt for this choice because foam insulation is typically resistant to mold.

There s also an extra bit of insulation from the air under the home saving you on energy costs.