Products
Products >
Pipe Insulation
Batts
Pipe and Tank
Blown-in Insulation
Board
Rolls
Elevated Temperature
Air Sealant
Duct Board
Basement Wall
Duct Wrap
Metal Building Insulation
Duct Liners
Wall and Ceiling Liner
OEM
How to Choose the Right Insulation
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.
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
Mid-Floor
HVAC
Ceiling
Metal Building
Attics
Filtration
Sound Control
Basement and Crawlspace
Air Sealing
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
Commercial
Hospitality
Modular Construction
Office Buildings
Warehouses
Restaurants
Retail
Industrial
Manufacturing Facilities
Chemical Processing
Petro Chemical
Power Generation
Institutional
Healthcare
Educational Buildings
Other Institutional
OEM
Appliance
Automotive
Theaters & Auditoriums
Transportation
Residential
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
Warranty
Tax Credits
Fact Sheets
Sell Sheets
Brochures
Equipment Lists
GREENGUARD
UL Validations
Guide Specifications
Case Studies
Service Guidelines
Tools & More
Setting higher standards for indoor air quality! Performance+™
United States Flag Icon
United States (English)
Back
United States (English)
United States (Spanish)
Canada (English)
Canada (French)
Corporate
Albania
Algeria
Australia
Austria
Belgium
Bosnia
Bulgaria
Croatia
Czech Republic
Denmark
Estonia
Finland
France
Germany
Greece
Hungary
Ireland
Italy
Japan
Latvia
Lithuania
Luxembourg
Macedonia
Mexico
Montenegro
Morocco
Netherlands
New Zealand
Norway
Poland
Portugal
Romania
Russia
Serbia
Singapore
Slovakia
Slovenia
South Korea
Spain
Sweden
Switzerland
Tunisia
Turkey
UAE
UK
Ukraine
Close Saved Documents

It's looking pretty empty in here. Start saving documents for quick reference or log in to view previous folders. It's time to start building.

UL Assemblies / Wall / UL U305

UL U305
Interior Partitions, Wood Stud (Load-Bearing)

  • Stc

    50

  • Fire Rating

    1 Hour

  • System Thickness

    5-7/8"
  • Stc 50
  • Fire Rating 1 Hour
  • System Thickness 5-7/8"
PDF
(102.96 KB PDF)
REVIT
(1.97 MB RVT)
Assembly Details
  • Gypsum Board
    5/8" [15.9 mm] Sheetrock® EcoSmart Gypsum Panel (UL Type ULIX™)
  • Resilient Channel
    1/2" [12.7 mm] resilient channel, 25 ga. (0.018"), 24" [610 mm] O.C.
  • Wood Studs
    2" x 4" [38 x 89 mm] Wood Studs, 16" [406 mm] O.C.
  • Insulation
    3-1/2" [89 mm] Knauf EcoBatt Insulation
  • Gypsum Board
    2 layers 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 U305.
Performance+™ 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"
View Product