Insulation - Williams Lumber

We’ll help you reduce heat loss or heat gain with quality insulation from three top brands. Ask our team which is right for your project!

Unfaced Insulation

	Size	SQFT/BAG
R11	3.5″ x 15 x 93″ BATT	155
R11	3.5″ x 16 x 94″ BATT	213.33
R13	3.5″ x 15 x 93″ BATT	106.56
R19	6.5″ x 15 x 93″ BATT	87.18
R19	6.5″ x 23 x 93″ BATT	133.68
R21	5.5″ x 15 x 93″ BATT	67.81
R25	8.5″ x 15 x 25′ ROLL	31.25
R30	10.25″ x 16 x 48″ BATT	58.66
R38	13″ x 16 x 48″ BATT	42.66

Kraft Face Insulation

	Size	SQFT/BAG
R11	3.5″ x 15 x 93″ BATT	155
R11	3.5″ x 23 x 93″ BATT	237.66
R13	3.5″ x 15 x 93″ BATT	106.56
R15	3.5″ x 15 x 93″ BATT	67.81
R19	6.5″ x 15 x 93″ BATT	87.18
R19	6.5″ x 23 x 93″ BATT	133.68
R21	5.5″ x 15 x 93″ BATT	67.81
R21	5.5″ x 23 x 93″ BATT	103.97
R30	10.25″ x 16 x 48″ BATT	58.66
R30	10.25″ x 24 x 48″ BATT	88
R30C	8.25″ x 15.5 x 48 BATT	56.83
R38	13″ x 16 x 48″ BATT	42.66
R38	13″ x 24 x 48″ BATT	64
R38C	10.25″ x 15.5 x 48 BATT	41.33

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Williams Lumber is partnered with Ace Hardware, making it easy to find and order products online for pick-up at your local Williams Lumber location. Once you click on a product here, you will be re-directed to acehardware.com, which should automatically determine the right Williams Lumber store for you based on your location. You can also choose your pick-up location manually.

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FROTH-PAK Foam Insulation Kits

(U.S. Only)

Expands to fill cavaties, penetrations, and cracks. With a Class-A fire rating (flame spread index of 25 or less), FROTH-PAK Foam Insulation can be used in a variety of applications:

Stud wall cavaties
Rim or band joists
Crawl space walls and ceilings
Attic ductwork
Plumbing wall pipe insulation and support

Brands We Carry

Johns Mansville

ROCKWOOL

DuPont

Featured Brands