Attic Insulation Fire Rating

The class 1 fire rating definition is the flame spread index and smoke development index which means how fast a flame will spread when introduced to the material and how much smoke it produces.

Attic insulation fire rating.

These products provide a high r value inch excellent sound attenuation characteristics and outstanding fire performance. Both can be added to uninsulated attics or layered over existing material. Thermafiber residential mineral wool insulation commercial grade at home thermafiber residential mineral wool blankets are ideal for insulating walls floor ceilings and attic spaces in homes. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Insulation level are specified by r value. For diy attic insulation you ve got two choices. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. A higher insulation r value usually means a higher price point as well.

12 bag rockwool comfortbatt is a semi rigid stone rockwool comfortbatt is a semi rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. Fireproof insulation materials come in five primary forms. The fire resistance of each form depends largely on the material of which it is composed. The higher the r value the better the thermal performance of the insulation.

R 30 comfortbatt fire resistant mineral wool insulation batt 15 in. The table below shows what levels of insulation are cost effective for different climates and locations in the home. The fire rating system for insulation is basically how long the material can withstand a standard fire resistance test. R value is a measure of insulation s ability to resist heat traveling through it.

Insulation r values vary based on the type thickness and density of the insulation material.