Hanalei, Princeville and Kilauea see heavy winter rain, and even the east side stays humid most of the year. In those conditions, fiberglass batts soak up moisture, lose their R value and can become a place for mold to grow. Closed cell spray foam does not absorb water. Applied to the roof deck or the underside of a raised floor, it keeps damp air away from the framing and helps the house dry out instead of staying wet.
Poipu, Koloa, Hanapepe and Waimea are much drier and sunnier, and homes there fight heat more than rain. A sealed and insulated attic keeps roof heat from radiating into bedrooms and makes ceiling fans and AC far more effective. Many Kauai homes mix both problems, with a hot roof and a damp crawl space, so we often combine open cell foam overhead with closed cell foam below.
Kauai families remember Iniki. Closed cell spray foam bonds to roof sheathing and framing, adding rigidity to the roof assembly while it insulates. It also slows salt air from reaching fasteners and metal connectors inside the attic. It is not a replacement for proper hurricane ties, but it is a strong upgrade when you are building new or replacing a roof.
Closed cell foam that adds strength and stops leaks of damp air.
Keeps ground moisture away from the house.
Planned with your builder from framing to inspection.
Cooler bedrooms on the sunny south and west sides.
Less humidity and noise inside the home.
Quieter, cooler units that guests rate higher.
Central homes near the airport and harbor.
East side homes with steady trade wind humidity.
River valley homes that stay damp after rain.
North shore homes and condos with wet winters.
One of the rainiest towns we work in.
Farm country homes exposed to wind and rain.
Sunny south shore homes that need heat control.
Older plantation homes ready for a retrofit.
Dry west side homes with hot attics.
The sunny west end, near the canyon.
Closed cell spray foam, because it does not absorb water and acts as a vapor barrier. We use it on roof decks and under floors where moisture is the biggest risk.
Spray foam does not kill existing mold, but by blocking humid air from reaching cool surfaces it removes the conditions mold needs. Any active mold should be cleaned before insulation.
Closed cell foam bonded to the roof deck adds stiffness to the roof assembly. It works alongside, not instead of, hurricane clips and straps.
Yes. We plan Kauai projects ahead so our crew and equipment arrive ready. Tell us your town when you request a quote.