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Owens Corning 541799 - OC Attic Stair Insulator II R10

Item: 541799A
MFR: 541799
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Owens Corning Attic Stairway Insulator is comprised of durable insulation with PureFiber® Technology and tough, highly reflective foil for attic stair openings. The product is light weight and easy to install and remove, and helps reduce heat loss in the winter and heat gain in the summer. The Attic Stairway Insulator is available in one standard size to fit most attic stairwell openings and provides an R-value of 10, when installed properly.
Owens Corning™ Attic Stairway Insulator is comprised of durable PINK FIBERGLAS® Insulation and tough, highly reflective foil. The product comes fully assembled and is easy to install. The Attic Stairway insulator can help reduce air leaks and add insulation to the home as recommended by the Seal and Insulate with ENERGY STAR® effort.
The Attic Stairway Insulator closes the insulation gap created by attic stair access points in residential housing, leading to reduced energy costs year round. The product is designed to cover access points up to 25½" x 54".
The Attic Stairway Insulator design makes it easy to install; simply unfold and place over the attic opening.
As a result of its unique construction and the nature of the raw material, the Attic Stairway Insulator offers an attractive property profile:
  • Certified for both GREENGUARD Indoor Air Quality® and GREENGUARD Children & Schools SM Indoor Air Quality
  • Class B Fire Rating (ASTM E 84)
  • High flexibility


NameOwens Corning 541799 - OC Attic Stair Insulator II R10
Gemaire Item Number541799A
Manufacturer Product Number541799
SKU - PIM Number1394543333447
ERP Number328017
Unit of MeasureEA
Weight8.0 Pounds (Lb)
Length12.0 Inches (In)
Width24.0 Inches (In)
Height16.0 Inches (In)
Country of OriginUSA
BrandOwens Corning
ApplicationAttic Stairway Insulator
FunctionsAttic Stair
Size25 1/2" x 54"
StandardsASTM C 177
UL ListedNo
UL RecognizedNo
GEM - Case Quantity


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