For 2" X 4" wood stud construction Non-combustible stone wool insulation with melting point of approx. 1177°C (2150°F) Easily cut Excellent sound absorbency Fire resistant due to its high melting temperature Water and moisture resistant; does not absorb moisture to maintain insulating value Chemically inert Does not rot, promote mildew, fungi, or bacteria, or sustain vermin CFC- and HCFC- free product and process Made from natural and recycled materials