Polyisocyanurate Board Insulation R Value

R5 radiant acoustic insulation kit stc 19 5.

Polyisocyanurate board insulation r value.

The other is a tri plex facer consisting of a three ply laminate of durable kraft. The information on this page is based on data considered to be true and accurate based on periodic internal. All polyiso products follow astm c1289 standard specification for faced rigid polyisocyanurate thermal insulation board. As part of that standard the products must meet r value requirements presented as long term thermal resistance lttr.

Tuff r polyisocyanurate insulation consists of high performance high r value closed cell polyisocyanurate foam core boards sandwiched between a choice of durable exterior foil facers. As much as five times lighter in weight than many other materials with the same r value. 1 when joints penetrations detailed appropriately. Foamular 150 1 in.

See also material data sheet msds 1511 or msds 1911. R 10 scored squared edge insulation sheathing. Polyiso has a high r value per inch compared to other insulation products. Rmax thermasheath 3 1 in.

R 6 polyisocyanurate rigid foam insulation board. Keep in mind that polyiso s r value increases with thickness. As foam ages over time air and blowing agents diffuse in and out of the. An insulation material s resistance to heat flow is rated in terms of r value a higher r value means greater insulating effectiveness i e higher resistance to heat flow.

Polyiso is used in roof wall ceiling and specialty applications within commercial and residential buildings of all types. Energyguard polyiso roof insulation. Astm c1289 standard change. Foamular 250 2 in.

2 stated thermal resistance values are based upon conditioning requirements and test methodology found in astm c1289 and astm c518 for foil faced polyisocyanurate insulation. Polyisocyanurate insulation panels are actually one of the most thermally efficient insulation products on the market. The r value of polyisocyanurate is the highest of all traditional roof insulation r 5 7 resulting in a thin but highly efficient roof system. An insulation board made of glass fiber reinforced cellulosic felt facers bonded to a core of isocyanurate foam.

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. The r value test method and the long term thermal resistance lttr methodol ogy. 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. On tuff r insulation one facer is a continuous sheet of aluminum foil.