Thickness Of R13 Insulation

While rated differently these two types of insulation are close enough in thickness that they can both fit into modern two by four wall systems.

Thickness of r13 insulation.

Owens corning r 19 ecotouch pink kraft faced fiberglass insulation continuous roll 15 in. Depending on the type and density of the insulation used homeowners need between 3 1 2 and 6 inches of this material to provide r13 insulation values. 10 bags model a68q view the owens corning 2x4 wall floor insulation. Fiberglass loose fill insulation offers the lowest insulation value at about r2 2 to r2 7 per inch.

Wall insulation whenever exterior siding is removed on an. For future reference here is the cavity depth you need for some common insulation r values. The facts about compressing fiber glass insulation q. Owens corning r 13 ecotouch pink unfaced fiberglass insulation batt 15 in.

Standard fiberglass insulation batts or blankets provide an r value of 2 2 to 3 8 per inch of thickness. Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the. 6 inches r19. What happens to the r value when fiber glass building insulation is compressed into a space that is narrower than the thickness advertised on the label.

Rated r value and thickness of insulation r value r6 r11. Most manufacturers produce an r 13 batt that fits into a 2 by 4. R30 c r30 r38 c r38 insulation thickness 1 75 2 5 3 5 3 5 3 5 6 25 5 5 6 5 8 8 5 10 10 12 all listed thicknesses are approximate and may vary by 0 5 inches. 9 inches r30.

An example would be compressing r 19 insulation typically 6 thick into a 2x4 stud cavity that is 3 deep. In most wall applications you will use r 13 or r 15 kraft faced fiberglass insulation rolls for these two by four stud walls. 12 inches r38. Department of energy rates r 13 insulation as good for use in walls in southern areas of the country it rates r 19 insulation higher designating it as great that is because r 19 insulation provides more thermal insulation than r 13 does.

3 5 inches r13.