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