Specs

Bridgestone Retail Operations, LLC
PROJECT MANUAL
Version: January 2012
SECTION 07273
LIQUID APPLIED MOISTURES BARRIER
PART 1 - GENERAL
1.01 SUMMARY
A. Section includes vapor-permeable air-barrier coatings; StoGuard, by Sto Corp., for wall systems
of CMU backup with brick veneer, stucco or EIFS exterior finishes. Proprietary systems should
be considered in all applications.
1.02 PREINSTALLATION MEETING
A. Preinstallation Conference: Conduct conference at Project site.
1. Review air-barrier requirements and installation, special details, air-leakage and bond
testing, air-barrier protection, and work scheduling that covers air barriers.
1.03 QUALITY ASSURANCE
A. Installer Qualifications: An entity that employs installers and supervisors who are trained and
approved by manufacturer.
B. Contractor Requirements:
1. Knowledgeable in the proper use and handling of manufacturer’s materials.
2. Provide the proper equipment, manpower and supervision on the jobsite to install the
system in compliance with manufacturer’s published specifications.
1.04 REFERENCED DOCUMENTS
A. ASTM, C 1177 Specification for Glass Mat Gypsum Substrate for Use as Sheathing.
B. ASTM, E 96 Test Methods for Water Vapor Transmission of Materials.
1.05 DESIGN REQUIREMENTS
A. Moisture Control:
1. Minimize condensation within the assembly.
2. Drain water directly to the exterior where it is likey to penetrate components in the wall
assembly (windows and doors, for example).
3. Provide flashing to direct water to the exterior in accordance with code requirements,
including above window and door heads, beneath window and door sills and at the base
of the wall.
AIR-BARRIER COATINGS 07273 - 1