Rockwool Comfortbatt Thermal Insulation Batts - 14 R-Value - For 2 x 4 Stud Walls and Ceilings - Stone Wool

Able to protect up to 68 sq. ft., the insulation is 48 in L x 16 1/4 in W with a thickness of 3 1/2 in. This attic thermal insulation is stone wool, which is effective insulation as well as a useful sound-absorbent and fire-resistant material. A facing layer protects the drywall in moist environments to keep mould and mildew from growing. The product's vapour retardants prevent wood from rotting by keeping condensation from forming. It's CFC- and HCFC-free and has GREENGUARD Gold Certification, which confirms it's safe for use in homes, schools and healthcare facilities. The insulation has a GREENGUARD Gold Certification to identify it as eco-friendly.