Trailer Roof Insulaiton Foam Board Vs Reflectix

It does nothing to prevent convection or conduction transfer.

Trailer roof insulaiton foam board vs reflectix.

03 13 2014 05 27 pm akrvbob wrote. 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. Air space equals r value if you don t provide air space this product provides almost no insulating value. Bob please do not view refelctix as insulation.

Either the material is impervious to moisture like rigid foam board or spray foam or has moisture control properties and natural mold resistance. With styrofoam insulation you have no expansion of the material as you do with fiberglass. With the same r value as that of the rigid foam spray foam is best for those who avoid extreme temperatures with lightweight rvs. Not only can this material be used in various camping capacities but it s affordable and can be easily replaced if necessary.

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. 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. Reflective insulation products like reflectix might be one of the best inventions for life on the road.

Glued directly to the wall you are throwing your money away and polyiso from home depot would be much better. This low cost insulation method is simple enough for a novice to use the applicator and spray directly onto the walls of the rv. You may have small gaps in between the foam and the trailer frame boards. Use aluminum tape in between the sheets of foam insulation and then use a spray foam to fill in larger gaps as needed.

A roll of reflective bubble wrap can be cut down to fit a standard rv hot water tank. Reflectix has an r. Without an air space refectix has very little value as insulation. A jig saw was used to cut the insulation and worked very well.

Plain foam board will have an r value and will prevent convection and conduction but cannot reflect radiant heat. Foam board is very popular for diy van insulation. 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.