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How to Choose the Right Insulation

Fiberglass Insulation

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

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

Thermal Properties

Ability to provide thermal resistance for comfort and efficiency.

Insulating for Sound

Sound absorption characteristics, helping reduce noise transmission.

Applications

Applications

Walls

Pipe Insulation

Floor

High Temperature Equipment

HVAC

Attics

Basement and Crawlspace

Featured Media

How To Install Insulation

Learn how to install fiberglass batts, rolls and other insulation into attics, walls, and more.

Discover the Virtual Sound Experience

Immerse yourself in a realistic sound-simulation tool to experience the acoustical performance of Knauf.

Project Type

Hospitality
Modular Construction
Office Buildings
Warehouses
Restaurants
Retail

Manufacturing Facilities
Chemical Processing
Petro Chemical
Power Generation

Healthcare
Educational Buildings
Other Institutional

Appliance
Automotive
Theaters & Auditoriums
Transportation

Single Family
Multi-Family
Improvement & Retrofit
Manufactured Housing

Tools & Documents

Documents >

Data / Submittal Sheets

Safety Data Sheets

Installation Guides

Certificates of Insulation

Attic and Cavity Wall Card

Equipment Lists

Guide Specifications

Service Guidelines

Tools & More

UL L502, UL L515, UL L533, UL L545, UL L569, UL L590, UL M532, UL M535

Stc
53
Fire Rating
1 Hour
System Thickness
12"

Stc 53
Fire Rating 1 Hour
System Thickness 12"

(117.33 KB PDF)

(160.28 KB DWG)

Assembly Details

Finish Flooring

0.1" [2.5 mm] Sheet Vinyl (by others) with 0.04" padded backer
Floor underlayment panels

Two 1/4" [6.3 mm] USG Fiberock® Brand Interior Panels
Sound Attenuation Mat

5/16" [8 mm] KINETICS® Soundmatt Sound Control Underlayment
Structural Cement-Fiber Unit

3/4" [19 mm] STRUCTO-CRETE® PANEL (UL TYPES USGSP, STRUCTO-CRETE)
Structure

6" [152 mm] W6 x 9, min size, 50 ksi steel OR min 6" [154 mm] Hollow Structural Sections (HSS) with 50 ksi steel
Structure

6" [154 mm] Steel "C"Joist @ 24" [610 mm] o.c.
Insulation

3-1/2" [89 mm] Knauf EcoBatt R-13 glass fiber batt insulation
Wire Netting

Hexagonal Wire Netting
Structure

3/4" [19 mm] Steel plate, minimum 4" [101.6 mm] by 4" [101.6 mm] by 3/4" [19 mm] thick. Attached to structure per UL.
Structure

4" [101.6 mm] W4 x 13, min size, 50 ksi steel min. Hollow Structural Sections (HSS)
Structure

4" [101.6 mm] Steel "C"Joist @ 24" [610 mm] o.c.
Resilient Channel

1/2" [12.7 mm] resilient channel, 25 ga. (0.018"), spaced 12" [305 mm] O.C. max.
Gypsum Panel

5/8" [15.9 mm] Sheetrock® EcoSmart Gypsum Panel (UL Type ULIX™)

Notes

View assembly information on UL Website.

COMPATIBLE PRODUCTS

Available insulation products for UL L502, UL L515, UL L533, UL L545, UL L569, UL L590, UL M532, UL M535.

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