Re: tuckerton beach job
ur absolutely right right lumber. this stuf is applied as a liquid that expands to 30 times its original size in seconds. filling all the cracks and crevices. it molds itself into the shape of the void it is applied to. and dries almost instantly into a hard plastic with a r-factor of 6.8 per inch. creating an air tight, water proof 'building envelope'. it is self adhearing and bonds the entire building together. and by filling the area between the studs, rafters,etc... with 'rigid' foam you create a MUCH more durable building.
and a building MUST breath. but, that breathing should be controled mechanichly with a properly designed hvac (half the size vs without foam) system. and not achieved by damp, possibley polluted(dust,pollen,smog,etc..) air infiltrating the building, uncontrolled, thrue every crack and crevice that is normal in building construction. or conditioned air leaving in the same manner.
the first house i ever sprayed was my folks place. it had just been remodeled post katrina so it was already insulated with glass. we just removed the glass from the attic and applied 2.5 inches of foam to the underside of the roof deck. the house is noticeably more comfortable now. now when i enter the attic (where all the ducts are) it is constantly within 7-8 degrees of the house temp. and the electric bill is down 20%.
let me know if you want to learn more, i'll post some links for ya. i think i hijacked this thread enough,lol
|