Commercial & Industrial Products BW Stretch System™
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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 Width30”, 36”
Thermal Values – R-Value & U-FactorScroll down to view all literature
FinishesExterior 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
JointDouble tongue-and-groove
CoreFoamed-in-place polyisocyanurate 
Length12’-0” or 20’-0” Vertical
Thickness2”, 2 ¾”, 4”
Testing & CertificationsScroll 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

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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