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Waterproofing with Wet-Flash® by BEI

Liquid Applied Flashing System

In 2008 we began using BEI’s Wet-Flash® a liquid applied flashing system a solution for proper sealant of window and door openings.  Wet-Flash® is an alternative to metal flashing and exhibits the combined benefits of silicone and urethane.  This product has reduced our building costs and we foresee it will prevent future repair costs - and therefore our customer’s save as well.


Wet-Flash PM7000 is a 99% solid, trowel applied one-component, high performance, elastomeric, silyl-terminated polyether coating/sealant, exhibiting the combined benefits of silicone and urethane. Product meets all existing VOC requirements. Contains no solvents or isocyanides. 

Installation Overview

BEI Building Envelope Innovations, Inc. - Wet-Flash

Wet-Flash Benefits

  • MS polymer technology combines qualities of silicone and urethane
  • Unique cure schedule allows overcoat with most paints after 2 hours
  • High abrasion and tear resistance
  • Excellent wear and crack bridging
  • Non Staining, Non Yellowing
  • Breathable barrier
  • Bonds to moist substrates
  • Bond to most sealants
Water leaking into the rough openings and framing from faulty window and door installations or leaky windows, has caused tremendous damage to buildings large and small. The restoration and repair of this damage has created a crisis for owners, builders and insurance companies. The effect of window and door installation failure includes:
  • Warranty liability for builders.
  • Delays in construction.
  • Increased insurance premiums for builders and building owners.
  • Increased cost of home ownership to the general population.

Common window installation methods leave the opening susceptible to water intrusion even after carefully following detailed manufacturer’s installation instructions and recognized trade organization.

Applications

  • Waterproofing cavity walls
  • Horizontal/vertical
  • Interior/Exterior Flashing

Suitable Substrates

  • Aluminum
  • Steel
  • Galvanized
  • Painted Metals
  • Glass
  • Wood/plywood/OSB
  • Extruded PVC, FRP, SMC, RIM
  • Aluminized Steel
  • Concrete
  • Masonry/Brick/Natural Stone