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Fiberglass Insulation

The smart choice to make spaces more comfortable and energy efficient.

R-Value

The ability to resist heat flow — insulation's thermal resistance.

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Ability to provide thermal resistance for comfort and efficiency.

Insulating for Sound

Sound absorption characteristics, helping reduce noise transmission.

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UL U336 System B
Area Separation Wall, Wood Stud (Load-Bearing)

Stc
66
Fire Rating
2 Hour
System Thickness
11-1/2"

Stc 66
Fire Rating 2 Hour
System Thickness 11-1/2"

Assembly Details

Gypsum Panel

1 Layer 1/2" [12.7 mm] Sheetrock® Ultralight Gypsum Panel
Wood Studs

2" x 4" [38 x 89 mm] Wood Studs, 24" [610 mm] O.C.
Insulation

3-1/2" [89 mm] Knauf EcoBatt® Insulation
Air Space

3/4" [19 mm] air space
Steel Studs

2" [51 mm] H-studs, 24" [610 mm] O.C.
Gypsum Board

2 layers of 1" [25.4 mm] Sheetrock® Gypsum Liner Panels (UL Type SLX)
Air Space

3/4" [19 mm] air space
Wood Studs

2" x 4" [38 x 89 mm] Wood Studs, 24" [610 mm] O.C.
Insulation

3-1/2" [89 mm] Knauf EcoBatt® Insulation
Gypsum Panel

1 Layer 1/2" [12.7 mm] Sheetrock® Ultralight Gypsum Panel

Notes

View assembly information on UL Website.

Compatible Products

Available insulation products for UL U336 B.

EcoBatt® Insulation

Quality engineered thermal and acoustical fiberglass batt insulation with innovative ECOSE® technology is ideal for floors, walls, ceilings and attics.

Applications

Walls, Ceiling, Sound Control, Floor, Attics, Mid-Floor

Thickness

2.5" - 13.75"

R-Value

R-8 - R-49

Width

11" - 24"

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UL U336 System B Area Separation Wall, Wood Stud (Load-Bearing)

Stc

Fire Rating

System Thickness

UL U336 System B
Area Separation Wall, Wood Stud (Load-Bearing)