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SOPRASEAL® LM 204 VP SKU: A506

SOPRASEAL® LM 204 VP SKU: A506

SOPRASEAL LM 204 VP is a one-component, 98% solids content, liquid applied, vapor-permeable air barrier membrane used in wall construction. SOPRASEAL LM 204 VP is STPE technology that has excellent freeze-thaw characteristics and superior curing in low relative humidity and low temperatures. SOPRASEAL LM 204 VP doesn’t shrink and requires less wet film to achieve dry film thickness. This moisture curable hybrid material is a non-flammable vapor permeable air barrier, which provides moisture protection behind wall claddings such as brick, siding, metal panels, EIFS and stucco. Utilization of a drainage plane is required for stucco cladding.

Product Properties

  • Air Permeability ASTM ASTM E2178
  • Air Permeability ASTM ASTM E2357
  • Vapor Permability ASTM ASTM E96 (Procedure B)

Installation

SOPRASEAL LM 204 VP can be applied down to 25°F (-4°C) without the use of additional additives. The most effective application method utilizes spray equipment but a nap roller or a paint brush may also be used. Once the application is complete, inspect the wall for any light areas, blisters, holes or areas that need attention. Please refer to SOPREMA specifications and installation instructions for additional application guidelines prior to use.

 

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The Westin was due for a roof replacement on 17,828 square feet of its property. To complete the project, SOPREMA’s SOPRAISO ™, DUOTACK®, SENTINEL® P-150, and ALSAN® RS 230 Flash were selected. These products allowed for the design to meet FM 1-120 codes and the use of ALSAN RS 230 Flash solved any difficult flashing details which was only one of many reasons
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Potomac Transportation Center – Dumfries, Virginia

To stay proactive, The Potomac Transportation Center, part of the Prince William County Public Schools, decided to apply a protective coating to their rooftop. Although there were no immediate problems with the current roof, it was determined that a preventative coating was needed on the aging roof before future complications arose. When it came time to select products for this job, the ALSAN® Coating line was selected due to SOPREMA’s relationship with Northeast Contracting Corporation, a 2018 Mammouth Club Member, and the expert local field technical services team.