Insulation

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

SizeSQFT/BAG
R113.5″ x 15 x 93″ BATT155
R113.5″ x 16 x 94″ BATT213.33
R133.5″ x 15 x 93″ BATT106.56
R196.5″ x 15 x 93″ BATT87.18
R196.5″ x 23 x 93″ BATT133.68
R215.5″ x 15 x 93″ BATT67.81
R258.5″ x 15 x 25′ ROLL31.25
R3010.25″ x 16 x 48″ BATT58.66
R3813″ x 16 x 48″ BATT42.66

Kraft Face Insulation

SizeSQFT/BAG
R113.5″ x 15 x 93″ BATT155
R113.5″ x 23 x 93″ BATT237.66
R133.5″ x 15 x 93″ BATT106.56
R153.5″ x 15 x 93″ BATT67.81
R196.5″ x 15 x 93″ BATT87.18
R196.5″ x 23 x 93″ BATT133.68
R215.5″ x 15 x 93″ BATT67.81
R215.5″ x 23 x 93″ BATT103.97
R3010.25″ x 16 x 48″ BATT58.66
R3010.25″ x 24 x 48″ BATT88
R30C8.25″ x 15.5 x 48 BATT56.83
R3813″ x 16 x 48″ BATT42.66
R3813″ x 24 x 48″ BATT64
R38C10.25″ x 15.5 x 48 BATT41.33

Shop Online and
pick up at your local
Williams Lumber store

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.

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
Dow
ROCKWOOL