For static loads 3 1 is suggested.
Dow extruded polystyrene rigid insulation.
Dow styrofoam insulation blue board is a nonstructural rigid board insulation manufactured of extruded polystyrene foam xps.
Styrofoam brand foam by dow typically referred to as blue board is the best known extruded polystyrene insulation on the market today.
3 based on 1 25 mm thickness.
Owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications.
Foamular 250 product data sheet pdf v 1593673075000 1 45 mb.
All purpose foam panel insulation for masonry and other applications.
Products provide superior insulating properties.
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.
Manufactured by dow chemical styrofoam brand foam is available in a variety of thicknesses in both 24 x 96 and 48 x 96 dimensions.
Owens corning foamular 150 extruded polystyrene insulation is ideal for wall furring perimeter foundation cavity wall crawlspace sheathing and other applications not approved for roofing.
Expanded polystyrene insulation is less expensive than extruded polystyrene but it is also more fragile and is a less effective insulator.
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.
Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products choose the strength you need from 15 to 60 psi and exceptional moisture resistance.
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.
For dynamic loads 10 1 is suggested.
For static loads 3 1 is suggested.