Trailer Roof Insulaiton Foam Board Vs Reflectix

Use aluminum tape in between the sheets of foam insulation and then use a spray foam to fill in larger gaps as needed.

Trailer roof insulaiton foam board vs reflectix.

Reflectix project diy rv reflectix projects reflectix project for rv living in this video i give you our top 5 reflectix project for rv living whether yo. Plain foam board will have an r value and will prevent convection and conduction but cannot reflect radiant heat. Reflectix prevents the transfer of heat by radiation by reflecting the radiant energy like a mirror but has no real insulation value aka r value. Reflective insulation products like reflectix might be one of the best inventions for life on the road.

It does nothing to prevent convection or conduction transfer. Glued directly to the wall you are throwing your money away and polyiso from home depot would be much better. You may have small gaps in between the foam and the trailer frame boards. A roll of reflective bubble wrap can be cut down to fit a standard rv hot water tank.

Not only can this material be used in various camping capacities but it s affordable and can be easily replaced if necessary. Foam board includes some cons that give me reservations. It s relatively inexpensive for the r value and comes in a variety of thicknesses and material compositions. Bob please do not view refelctix as insulation.

This low cost insulation method is simple enough for a novice to use the applicator and spray directly onto the walls of the rv. With styrofoam insulation you have no expansion of the material as you do with fiberglass. You don t want harmful gases or microscopic particles filling your living space. Foam board is very popular for diy van insulation.

Either the material is impervious to moisture like rigid foam board or spray foam or has moisture control properties and natural mold resistance. Reflectix has an r. Air space equals r value if you don t provide air space this product provides almost no insulating value. A jig saw was used to cut the insulation and worked very well.

Reflectix s stated r 14 r values for exterior walls are good only if the reflectix is paired up with r 13 fiberglass batt insulation. You get bonus points if the trailer insulation is produced in an environmentally friendly way. 03 13 2014 05 27 pm akrvbob wrote.