It provides r values that range from 3 6 to 4 2 per inch.
Dow rigid foam insulation r value.
Since its discovery in 1941 styrofoam brand xps insulation has a long and rich heritage as a sustainable building product insulating to meeting core thermal moisture air and vapor performance requirements through its rigid foam board technology.
Dow styrofoam scoreboard insulation board blue board 4 ft by 8 ft sheet 2 0 thick r value 10 0 a nonstructural rigid board insulation manufactured of extruded polystyrene foam xps.
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.
Shop dow r 10 common.
1 when joints penetrations detailed appropriately.
This material offers the highest r values about r 6 to 6 5.
It is lightweight and easy to use and provides an optimum balance between performance and cost.
Because rigid foam plastic insulation products are not all aged in accordance with the same standards it is useful to publish comparison r value data.
Some products have reinforced facing to make them sturdier.
R values vary depending on many factors including the mean temperature at which the test is conducted and the age of the sample at the time of testing.
4based on 1 25 mm thickness.
It provides about r 5 per inch.
Insulfoam rigid foam is a high performance built to spec sheathing insulation that provides superior r value and moisture resistance.
Choose this option for areas that need a good amount of strength and water resistance.
The higher the r value the greater the insulating power.
2 in x 4 ft x 8 ft.
Thermosetting resins from dow can be used as an alternative to traditional formaldehyde based resins for binding mineral fibers in the production of insulation blanket products that go into building insulation systems and specialty insulation.
2 r means resistance to heat flow.
1r values are consistent with criteria of astm c578 and requirements of ftc r value rule 16 cfr part 460.
Dow scoreboard is scored over 16 and 24 making it.
This product typically has an r value of 3 6 to 4 0 per inch of thickness.
It is offered in multiple thicknesses and dimensions in both square edged and tongue and groove joints.