Dow Extruded Polystyrene Foam Board Insulation. Of all the types of insulation extruded polystyrene xps is among the simplest to install. Blue foam products intended to be used as sheathing on exterior walls are faced with thin plastic films that protect the board s extruded polystyrene core and add extra strength to the board. Layer of rigid foam insulation from dow.
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. It is especially recommended for exterior cavity walls and foundations.
Styrofoam brand scoreboard insulation is an extruded polystyrene foam insulation board that is easy to cut to commonly used widths.
It is especially recommended for exterior cavity walls and foundations. Blue foam products intended to be used as sheathing on exterior walls are faced with thin plastic films that protect the board s extruded polystyrene core and add extra strength to the board. Styrofoam extruded polystyrene and polyisocya nurate insulations from dow are the only. Shop dow r 10 common.