The right insulation can ease your summer and winter energy bills while keeping your home more comfortableAdding insulation ...

including those with insulation on the exterior of a wall, the interior of a wall, with concrete sandwiched between two panels of insulation or with a panel of insulation sandwiched between two ...

The result is the following guide to the best insulation for exterior walls. R-value 13.1 Sika’s Rmax Pro Select board is essentially dense foam insulation for walls in sheet form.