Attic Insulation Types Hawaii

Both can be added to uninsulated attics or layered over existing material.

Attic insulation types hawaii.

R value is a measure of insulation s ability to resist heat flow. Spray foam offers the best attic insulation performance available. The higher the r value the better the thermal performance of the insulation. In general an attic s r value should be between r 30 and r 49.

Savings of 30 to 50 per month are feasible. Closed cell and open cell aka 2 pound and pound respectively. State of hawaii department of business economic development and tourism energy resources and technology division p o. 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.

The cost jumps up to more than 200 per month for air conditioned homes. 4 hawaii homeowner s guide to energy comfort value energy cost reduction strategies typical utility bills are 90 per month. State of hawaii for more information on ceiling insulation and building energy efficiency refer to the hawaii model energy code application manual. For diy attic insulation you ve got two choices.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Your home s r value score will guide you toward the type of insulation you need.

Choose from two types. Loose fill or batt the common term for blanket insulation. The type of insulation you need depends on which type is currently installed and the required r value. Insulation levels are specified by r value.

Box 2359 honolulu hawaii 96804 2359 808 587 3811 please visit. Add the right kind of insulation. Spray foam hawaii llc 1803 wili pa loop wailuku hi 96793 855 964 0953. The most common insulation materials are fiberglass cellulose and foam.

This pie chart shows electrical energy use for a typical family of four in hawaii. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. It s like having a shade over your home.