R-Max Products
R-Max manufactures rigid polyisocyanurate foam insulation with the highest R-Value per inch of any insulation product commonly available. R-Max offers a wide variety of sheathing, roofing and specialty products designed for residential, commercial and industrial applications.


Window & Door Protector

Grip-Rite window & door protector is available in a variety of widths, each roll individually wrapped.

Weather Resistive Barriers

Grip-Rite weather resistive barriers put a powerful layer between exterior walls and the elements. Available in residential, commercial grade, and economy grade, Grip-Rite weather resistive barriers meet or exceed ICC AC 38 Acceptance Criteria for weather resistive barriers.