BW Stretch System™
The BW Stretch System™ is the ultimate vertical backup wall system, providing superior air, water, thermal and vapor protection in an all-in-one barrier component. It can be vertically installed with a variety of exterior rainscreen systems and can span up to 6 ft. o.c. This unique insulated metal panel stretch span wall system introduces new standards when it comes to cost savings, design integrity, and sustainability. The BW Stretch System eliminates the need for multiple work crews as it is easily and quickly installed in a single step. The stretch span wall system not only expedites close-in and dry-in building times, but rather reduces the likelihood of improper installation as well.
Coverage Width | 30”, 36” |
Thermal Values – R-Value & U-Factor | Scroll down to view all literature |
Finishes | Exterior Face: G-90 galvanized steel in 22 Ga. with epoxy primer finish Exterior Profile: No profile, unembossed Interior Face: G-90 galvanized in 26 Ga. with epoxy primer finish Interior Profile: Shallow Planked, nominal 3/64” deep, unembossed |
Joint | Double tongue-and-groove |
Core | Foamed-in-place polyisocyanurate |
Length | 12’-0” or 20’-0” Vertical |
Thickness | 2”, 2 ¾”, 4” |
Testing & Certifications | Scroll down to view all literature |
Design Features and Benefits
- Provides air, water, thermal and vapor barrier in one step
- Can use multiple façade options while not reducing thermal efficiency
- Easy and fast installation, with reduced construction and labor costs
- Encloses the building faster in all weather conditions
- Can span up to 6ft on center
Download Our Literature
Metl-Span® BW Stretch System™ For Commercial & Industrial Buildings
2012 Master Format™ Section
All specifications and designs are subject to change without notice.
Load Span Tables
The Load Span Tables below are based on Allowable Stress Design (ASD). For loads calculated based on ASCE 7-10 (LRFD), please refer to section 2.4.1 of ASCE 7-10 for the applicable load combinations using Allowable Stress Design.
For FM Global Requirements, click here
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