How To Insulate Floors Under A Mobile Home

Step 1 inspection of trailer flooring.

How to insulate floors under a mobile home.

A suitable barrier would be 6 mil polyethylene plastic sheeting. The only issue with the spray injection method is that you may need special equipment or a contractor. It is made of very fine strands of glass formed in rolls and loose fill batts that are installed between beams joists and studs. Using fiberglass to insulate under a mobile home fiberglass is the most common insulating material.

It s often recommended that you try to purchase insulation with an r value of no less than 30 50 for the roof and 15 30 for the floor but even these values are largely based on the climate of the location that your mobile home is in the type of hvac system your mobile home has and what part of the mobile home you re planning to insulate. Lastly mobile homes tend to settle in place and move with high winds and temperature swings which put a strain on the home and drastically reduce any chance of air tightness. The moisture barrier prevents ground moisture from infiltrating the insulation and it s also more comfortable to crawl on than bare ground. If you find any holes you can fill them with insulation stuffing or wood cutouts to seal them.

Also remove any existing insulation. Since it is made of glass it is an excellent insulator that is affordable non flammable and water resistant. Blowing insulation into mobile home ceilings the foam spray injection method can be used to fill small cavities and prevent conduction and convection. Unroll the vapor barrier material.

If there is existing insulation it must be removed. Pull the barrier tight to prevent air leaks. Staple the vapor barrier material to the wood floor joists of your mobile home with a staple gun. Going through the ceiling to blow insulation into the mobile home roof.

The underside of the mobile home should be inspected for damage on the flooring such as holes and or water build up. Any damage should be repaired before installing the insulation. If you find any damages repair them before you add insulation. Lay a moisture barrier on the ground underneath the mobile home before you begin insulating.

First inspect the underside of your mobile home to check for damages like holes or water buildup in the flooring.