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

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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

Product Showcase Brochure

BW Stretch System Data Sheet

Backup Wall Systems Brochure

Metl-Span^® BW Stretch System™ For Commercial & Industrial Buildings

2012 Master Format™ Section

CSI Spec BW Stretch System – PDF Doc

CSI Spec BW Stretch System – Word Doc

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

US BW Stretch System™ Load Charts

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