Chrysler LLC - ME Building GroupConstruction Standards

Project & Bid PackageReviewed : Oct. 2010

SECTION 07272 - FLUID-APPLIED MEMBRANE AIR AND MOISTURE BARRIERS

PART 1 - GENERAL

1.1RELATED DOCUMENTS

  1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division1 Specification Sections, apply to this Section.

1.2SUMMARY

  1. This Section includes the following:
  2. Fluid applied vapor retarding systems.

1.3PERFORMANCE REQUIREMENTS

  1. General: Air and moisture barrier shall be capable of performing as a continuous vapor retarding air barrier Air barrier shall be capable of accommodating substrate movement and of sealing substrate expansion and control joints, construction material changes, and transitions at perimeter conditions without deterioration and air leakage exceeding specified limits.

1.4SUBMITTALS

  1. Product Data: For each type of product indicated
  2. Product certificates.
  3. Qualification data.
  4. Product test reports.

1.5QUALITY ASSURANCE

  1. Applicator Qualifications: A firm experienced in applying air barrier materials similar in material, design, and extent to those indicated for this Project, whose work has resulted in applications with a record of successful in-service performance.
  2. Preinstallation Conference: Conduct conference at Project site.

PART 2 - PRODUCTS

2.1FLUID-APPLIED MEMBRANE AIR AND MOISTURE BARRIER

  1. Fluid-Applied, Vapor-Retarding Membrane Air Barrier: synthetic polymer membrane.
  2. Available Products: Subject to compliance with requirements, products that may be incorporated into the Work include, but are not limited to, the following:
  3. Products: Subject to compliance with requirements, provide one of the following:
  4. Synthetic Polymer Membrane:

1)Aquafin Vaportight Coat - SG3 Aquafin Inc. 505 Blue Bell Rd. #160; Elkton; Md. 21921 1-866 278 2346 email

2)Or Similar product by other manufacturer.

  1. Physical and Performance Properties:
  2. Membrane Vapor Permeance: Not to exceed 0.5 perm (5.8 ng/Pa x s x sq.m) ASTME96.
  1. MATERIALS
  2. Moisture Vapor Emission Reduction Control System: One-part system consisting of a

two-component, 100% solids, solvent free, moisture tolerant, high density, low odor, chemically enhanced epoxy based product which must reduce vapor emissions (MVER) to 3 lbs/24 hrs*1000 SF or less and be compatible with floor finishes and adhesives approved by the manufacturer. Characteristics:

1.Product: VAPORTIGHT COAT®-SG3

2. Component-A and B:Precise blend of clear and yellowish liquid

3. VOC content:0

4. Bond/Adhesion: (ASTM D-4541)>220 psi (>1.5 Mpa) at 28 day old concrete

5. Permeance:(ASTM E-96)<0.5 perm (<3.1E-08 grams/Pa*s*m2)

6. Alkaline Resistance: (ASTM D-1308)up to pH 14

7. Vapor Reduction: (ASTM E-96)up to 97%

8. Cured for installation of flooring:12 hrs at 73 deg F (23 deg C)

9. pH on cured surface:7

2.3 AUXILIARY MATERIALS

  1. General: Auxiliary materials recommended by air barrier manufacturer for intended use and compatible with air barrier membrane. Liquid-type auxiliary materials shall comply with VOC limits of authorities having jurisdiction. Both types of liquid primer in paragraph below may be used on concrete, masonry, gypsum and wood-based sheathings, metal, and painted substrates.
  2. Joint Sealant: ASTMC920, single-component, neutral-curing silicone; Class100/50 (low-modulus), GradeNS, UseNT related to exposure, and, as applicable to joint substrates indicated, UseO. Comply with Division7 Section "Joint Sealants."

PART 3 - EXECUTION

3.1JOINT TREATMENT

  1. Concrete and Masonry: Prepare, treat, rout, and fill joints and cracks in substrate according to ASTMC1193 and air barrier manufacturer's written instructions.

3.2AIR AND MOISTURE BARRIER MEMBRANE INSTALLATION

  1. Clean, prepare, treat, and seal substrate according to manufacturer's written instructions. Provide clean, dust-free, and dry substrate for air barrier application.
  2. Apply air barrier membrane within manufacturer's recommended application temperature ranges.
  3. Apply a continuous unbroken air barrier to substrates according to the following minimum thickness.
  4. Vapor-Retarding Membrane Air Barrier: Apply as per manufacturers directions.
  5. Correct deficiencies in or remove air barrier that does not comply with requirements; repair substrates and reapply air barrier components.

3.3PROTECTION

  1. Protect air and moisture barrier system from damage during application and remainder of construction period, according to manufacturer's written instructions.
  2. Protect air and moisture barrier from exposure to UV light and harmful weather exposure as required by manufacturer. Remove and replace air barrier exposed for more than 30 days.
  3. Clean spills, stains and soiling from construction that would be exposed in completed work using cleaning agents and procedures recommended by manufacturer of effected construction.
  4. Remove masking materials after installation.

END OF SECTION

FLUID-APPLIED MEMBRANE AIR BARRIERS07272 - 1 of 3