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Material Safety Data Sheet (MSDS)

Specifications Sheet

PRODUCT DESCRIPTION:
Weather-Tite One Step Membrane Adhesive is a fast setting, solvent free, cold process membrane adhesive, that becomes waterproof within minutes of application, and is designed for use with our patented application process.*

Our One Step Application process eliminates error due to poor mixing. Application is quick and easy, resulting in significant labor savings for the contractor. No specialty pumps or spray rigs are required.

APPROVED SUBSTRATES:
• Structural roof decking: concrete, gypsum, cemetitious wood fiber (tectum), wood, steel or leightweight insulating concrete
• Base sheets (sanded or granule surfaced)
• Approved insulations ( multi-layer applications)
• Smooth built-up roof surface ( re-roof applications)
• For gravel surface BUR’s contact our Technical Department for
application guidelines.

For a complete list of approved substrates or for additional information, contact our Technical Department.

APPLICATION:
1. With a utility knife, remove the molded tips at the groove from the One Step mixing head.
2. Attach a One Step Mixing Tip to the threaded mixing head.
3. Place the cartridge into the appropriate One Step Applicator. Always load cartridges with the label side up. Dispense an initial amount of Weather-Tite One Step Membrane Adhesive to ensure a proper mix.
4. Apply Weather-Tite One Step Membrane Adhesive directly to the substrate using a ribbon pattern. Space 1/2"- 3/4" (1.3cm- 1.9cm) wide beads either 12" (30cm) , 9" (23cm), 6" (15cm) o.c. (or in full coverage) to acheive proper coverage depending on project specifications and requirements. As adhesive is applied, immediately set membrane into wet adhesive. Do not allow the adhesive to skin over. Eliminate un-even surfaces to ensure positive contact between the membrane and substrate.
5. Immediately broom or roll with weighted roller to ensure positive contact between adhesive, membrane, and substrate and to eliminate the possibility of ridging.
6. Un-used adhesive can be applied at a later date by simply plugging the cartridges ( with provided half moon plugs) and using a new One Step mixing tip.

LIMITATIONS:

Do not apply to a wet surface
Not intended for insulation attachment

COLOR:
Black

STORAGE: Keep temperature of contents between 65°- 85 °F (18° - 29°C) 24 hours prior to use.

Do not store in direct sunlight or high temperatures (90 °F / 32°C and higher).

PACKAGING AND COVERAGE:
4-1.5L cartridges per case;

Each cartridge will produce in the range of 100-125 lineal feet (30.48m - 38.1m)of 1/2"- 3/4" (1.3cm to 1.9cm) wide beads.

A four-cartridge case will produce approximately 400-500 lineal feet (121m -152.4m) of 1/2"- 3/4" (1.3cm to 1.9cm) wide adhesive beads.

Coverage rates may vary when used over irregular surfaces.

BASIC USE: Weather-Tite One Step Membrane Adhesive is designed for use as an adhesive for adhering approved base sheets, vapor retarders and membranes to approved substrates.

Weather-Tite One Step Membrane Adhesive is a low odor, quick setting, solvent free, formula that offers significant advantages over high odor, slow setting, solvent based adhesives.

SURFACE PREPARATION: All work surfaces should be clean, dry, free of dirt, dust, debris, oils, loose and/or embedded gravel, un-adhered coatings, deteriorated membrane and other contaminants that may result in a surface that is not sound or is un-even.

For re-cover applications apply Weather-Tite Universal Primer prior to the application of Weather-Tite One Step Membrane Adhesive. For applications over fresh and/or non-oxidized asphalt, coal tar or plastic film membranes, apply Weather-Tite Surface Treatmentprior to the application of Weather-Tite One Step Membrane Adhesive.

SAFETY: Prior to working with any product, be sure to read labels and the Material Safety Data Sheet (MSDS). Take necessary health and safety precautions.

FEATURES AND BENEFITS:
One Step Technology
• Easy to apply
• No Mixing
• No Temperature restrictions

No Solvents
• Low odor
• VOC compliant
• No flame hazards
• 100% solids

Elastomeric
• Remains Flexible
• Absorbs Stresses

Material Safety Data Sheet (MSDS):

 
MSDS
   
WARRANTY: WTT Systems, LLC guarantees this product to be free of manufactured defects for the shelf life period of 12 months from date of manufacture. All claims must be made in writing within 12 months of the original purchase.

For detailed information regarding 10 year, 15 year or 20 year extended term system warranties, contact our Technical Department.

EQUIPMENT:
Specifications Datasheet:  
Membrane Adhesive (2 Pages)
**U.S. Patent Nos. 7,056,556; D501,855  
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