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Big L Lumber
Insulation

Cabinets  |  Decks  |  Doors  |  Flooring  |  Insulation  |  Lumber  |  Plywood  |  Plumbing 
Pole Barns  |  Power Tools  |  Roofing  |  Siding & Soffits  |  Truss Rafters  |  Windows


Insulation: Heat is lost from most buildings as indicated:

10%  Air leakage and infiltration
23%  Windows & Doors
27%  Walls
40%  Ceilings


Certainteed Kraft-Faced Fiberglass Insulation is ideal when a vapor barrier is needed for attic, exterior walls, floors or crawl space.

Big L Lumberland stocks thicknesses of 3-1/2", 3-5/8", 6", 10" and 12" in widths of either 15" or 23". (Not all sizes available in all widths.)

Certainteed R-113-1/2" R-Value is 11
3-5/8" R-Value is 13
6" R-Value is 19
10" R-Value is 30
12" R-Value is 38


Dow Styrofoam Sheathing
Dow Styrofoam Sheathing has superior moisture resistance, contains no fiberglass, so no itch, and offers unbelievable strength.

Big L Lumberland stocks 4' x 8' sheets in 3/4", 1" and 2" thicknesses.


Nu·Wool Cellulose blown-in Insulation resists fire, moisture and rodents. Nu-Wool insulation is also a good sound deadener (blower rental available).

Does your attic insulation look like this? This is proper insulation!
Heat loss thru and around ceiling joists No heat loss thru ceiling joist

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