Find polyisocyanurate foam board insulation at lowe s today.
Polyiso foam board insulation.
Nominal size ranges from 47 75 to 48 25 by 95 75 to 96 25.
Polyisocyanurate polyiso is a closed cell rigid foam board insulation that is bonded to facers on both sides which are composed of various organic and inorganic materials.
Polyiso is used in roof wall ceiling and specialty applications within commercial and residential buildings of all types.
Does not melt when exposed to flame versus other types of rigid foam board astm e84 the low permeability of foil facing coupled with polyiso s high thermal performance make it ideal for controlling condensation in walls.
Polyiso is unique in that the r value increases with the thickness of the foam so three inches of polyiso has a higher r value per inch than two inches.
Foam board insulation is easy to use and is a great diy way to add some insulation.
Highest r value per inch of any rigid board insulation.
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They are not intended to be used as sound deadening or sound absorbing materials.
It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer.
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However when thermasheath 3 was tested in a wood framed symmetrical wall specimen 5 8 fire code gypsum face layers thickness 4 with 2 thermasheath 3 in stud cavities to.
Polyiso and other rigid foam insulation boards are low density products.
Energyguard polyiso roof insulation specs energyguard polyiso roof insulation docs.
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Polyisocyanurate also referred to as pir polyiso or iso has the highest r value of any rigid foam board insulation commercially available it comes with a variety of backers foil fiberglass mat vinyl and paper and is very similar to the polyurethane used by spray foam contractors.
Some types of thicker foam board insulation are available but they may need to be special ordered.
Polyiso has a high r value per inch compared to other insulation products.