Attic Insulation Types Hawaii
4 hawaii homeowner s guide to energy comfort value energy cost reduction strategies typical utility bills are 90 per month.
Attic insulation types hawaii. R value is a measure of insulation s ability to resist heat flow. Spray foam hawaii llc 1803 wili pa loop wailuku hi 96793 855 964 0953. Your home s r value score will guide you toward the type of insulation you need. Add the right kind of insulation.
Box 2359 honolulu hawaii 96804 2359 808 587 3811 please visit. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. This state of the art attic insulation reflects 93 percent of all radiant heat transfer or heat from the sun cooling your attic by as much as 40 degrees. Both can be added to uninsulated attics or layered over existing material.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Savings of 30 to 50 per month are feasible. This pie chart shows electrical energy use for a typical family of four in hawaii. Spray foam offers the best attic insulation performance available.
For diy attic insulation you ve got two choices. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. In general an attic s r value should be between r 30 and r 49. Eshield radiant barrier is insulation for hawaii s climate.
When installed properly both types of insulation fill all of the nooks and crannies in a space and. The higher the r value the better the thermal performance of the insulation. The type of insulation you need depends on which type is currently installed and the required r value. Choose from two types.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers. It s like having a shade over your home. Closed cell and open cell aka 2 pound and pound respectively. State of hawaii for more information on ceiling insulation and building energy efficiency refer to the hawaii model energy code application manual.
State of hawaii department of business economic development and tourism energy resources and technology division p o. The most common insulation materials are fiberglass cellulose and foam. The cost jumps up to more than 200 per month for air conditioned homes.