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Div. 07130  |
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Product
DataGuide Spec. No. 711
SEALTIGHT® PREMOULDED MEMBRANE®
| Specifier Notes: This guide specification is written according to the Construction Specifications Institute (CSI) Format. The section must be carefully reviewed and edited by the Architect or Engineer to meet the requirements of the project. Coordinate this section with other specification sections and the drawings. |
| Specifier Notes: W.R. Meadows SEALTIGHT PREMOULDED MEMBRANE VAPOR SEAL with PLASMATIC CORE is a permanently bonded, multi-ply, semi-flexible core board for use in on-grade, below-slab concrete waterproofing or vaporproofing. |
PART 1 GENERAL
1.1 SECTION INCLUDES
- A. Premoulded membrane vapor seal for horizontal concrete applications.
1.2 RELATED SECTIONS
| Specifier Notes: Edit the list of related sections as required for the project. List other sections dealing with work directly related to this section. |
- A. Section 07100 - Dampproofing and Waterproofing.
1.3 REFERENCES
- A. ASTM E 96 - Water Vapor Transmission of Materials.
1.4 SUBMITTALS
- A. Comply with Section 01330 - Submittal Procedures.
B. Submit manufacturer's product data and application instructions.
1.5 DELIVERY, STORAGE, AND HANDLING
- A. Delivery: Deliver materials to site in manufacturer's
original, unopened containers and packaging, with labels clearly identifying
product name and manufacturer.
B. Storage: Store materials in a clean dry area in accordance with manufacturer's instructions. Stack membrane on smooth ground or wood platform to eliminate warping.
C. Handling: Protect materials during handling and application to prevent damage or contamination.
1.6 ENVIRONMENTAL REQUIREMENTS
- A. Do not apply membrane on frozen ground.
PART 2 PRODUCTS
2.1 MANUFACTURER
- A. W.R. Meadows, Inc., PO Box 338, Hampshire, Illinois 60140-0338. (800) 342-5976. (847) 683-4500. Fax (847) 683-4544. Web Site www.wrmeadows.com.
2.2 MATERIALS
- A. Bonding Asphalt: SEALTIGHT CATALYTIC BONDING
ASPHALT.
B. Adhesive: SEALTIGHT PM-5X.
C. Joint Tape: SEALTIGHT DETAIL STRIP.
D. Pointing Mastic: SEALTIGHT POINTING MASTIC.
A. Premoulded Membrane Vapor Seal: SEALTIGHT PREMOULDED MEMBRANE VAPOR SEAL with PLASMATIC CORE.
1. Description: Permanently bonded, multi-ply, semi-flexible core board.
a. Core: 3-plies. Plasmatic matrix encased in 2 layers of pure-blown, high-meltpoint asphalt.
b. Liners: Core sandwiched between liners of asphalt saturated felt and glass-mat liner.
c. Weathercoat: Asphalt weathercoat applied to glass-mat liner and covered with polyethylene anti-stick sheet.
2. Water Vapor Transmission, ASTM E 96, Water Method: 0.00 grains/square foot/hour.
2.3 ACCESSORIES
PART 3 EXECUTION
3.1 EXAMINATION
- A. Examine surfaces to receive membrane. Notify Architect if surfaces are not acceptable. Do not begin surface preparation or application until unacceptable conditions have been corrected.
3.2 SURFACE PREPARATION
- A. Prepare surfaces in accordance with manufacturer's instructions.
3.3 APPLICATION
- A. Apply membrane in accordance with manufacturer's
instructions to provide a permanent, monolithic vapor seal without voids
or open seams.
B. Ensure accessory materials are compatible with membrane and approved by membrane manufacturer.
C. Place membrane in position by either Dutch lap method with laps sealed with bonding asphalt or by butt joint method with joints sealed with joint tape.
D. Point exposed edges with pointing mastic to prevent water from traveling under membrane.
E. Place membrane collar around protrusions through concrete slab, including sewer pipes, water pipes, and utility inlets to create a positive seal between protrusions and membrane. Seal in place with joint tape and point around protrusions with pointing mastic.
F. Adhere membrane to vertical surfaces with adhesive.
3.4 PROTECTION
- A. Protect membrane from damage until placement of concrete.