For static loads 3 1 is suggested.
Dow extruded polystyrene insulation.
Shop dow r 10 common.
Dow styrofoam insulation blue board is a nonstructural rigid board insulation manufactured of extruded polystyrene foam xps.
Styrofoam brand highload extruded polystyrene foam insulation is a closed cell foam insulation designed for use in runways and other heavy weight infrastructure.
Foamular 250 extruded polystyrene xps provides continuous insulation in insulated concrete sandwich panel walls in masonry unit cavity walls or when used with non penetrating surface mounted furring systems over masonry or concrete walls.
For dynamic loads 10 1 is suggested.
3 water vapor permeance varies with product type and thickness.
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.
Blue board can be used both on exterior and interior walls to give you a continuous insulation barrier that can increase effective r value of the wall by up to 20.
Foamular 250 retards the transmission of water vapor and moisture in masonry walls.
Styrofoam brand scoreboard extruded polystyrene foam insulation is an extruded polystyrene foam insulation board that is scored longitudinally on 16 and 24 centers making it easy to size to commonly used widths cut and install.
Styrofoam brand scoreboard insulation is an extruded polystyrene foam insulation board that is easy to cut to commonly used widths.
Values are based.
Has excellent insulating characteristics high resistance to water and water vapor exceptional compressive strength and long term durability.
It is especially recommended for exterior cavity walls and foundations.
Since styrofoam brand extruded polystyrene foam insulations are visco elastic materials adequate design safety factors should be used to prevent long term creep and fatigue deformation.
2 in x 4 ft x 8 ft.