Product Data Sheet
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Solvent-Based VOC Adhesive
MEL-PRIME is a solvent-based, ready-to-use adhesive for W. R. MEADOWS membrane systems. It is red to reddish-brown in color.
MEL-PRIME simultaneously prepares and dustproofs new and old and vertical and horizontal surfaces in one easy, economical operation. MEL-PRIME is designed for surfaces to receive waterproofing and air/vapor barrier systems from W. R. MEADOWS. Use MEL-PRIME on surfaces to receive applications of MEL-ROL®, PRECON, MEL-DEK™, AIR-SHIELD™ and/or AIR-SHIELD THRU-WALL FLASHING from W. R. MEADOWS.
- High solids for optimum performance.
- Ready to use … no mixing or dilution required.
- For exterior vertical and horizontal applications.
1 Gallon (3.79 Liter) Can
5 Gallon (18.9 Liter) Pail
250 to 300 sq. ft./gal. (6.14 to 7.37 sq. m/L)
Shelf life is three years when stored indoors and in original, unopened containers at temperatures between 40 – 90° F (4 – 32° C).
Surface Preparation… All surfaces to receive adhesive must be clean, dry, smooth, and free of all voids. Fill all voids, and remove sharp protrusions. When used on concrete, concrete should be cured at least 72 hours; For additional substrate surface preparation requirements, see instructions for applying MEL-ROL, PRECON, MEL-DEK, and/or AIR-SHIELD.
NOTE: Metal surfaces must also be clean, dry and free of loose paint, rust or other contaminants.
Application Method … Apply MEL-PRIME with a roller or brush at a coverage rate of 250 to 300 sq. ft./gal (6.14 to 7.37 sq. m/L). Apply only to the area to be covered with the membrane during the working day. Areas not covered with a membrane in 24 hours must be re-applied.
Drying Time…Allow to dry for one hour or until the surface feels tacky but does not pick up when touched. If the work area is very dusty, apply membrane as soon as possible after MEL-PRIME is dry.
Cleanup …MEL-PRIME may be cleaned with mineral spirits.
Do not apply MEL-PRIME when rain is imminent, or on damp or frost-covered surfaces. Avoid allowing MEL-PRIME to puddle – this will lengthen drying time. Do not dilute; use as is.
This product is flammable (flash point: 50° F). Ignition sources should be removed prior to product use. Avoid direct contact with the product. Direct contact may cause mild to moderate irritation of the eyes and skin. Product vapors may also cause transient central nervous system depression. Refer to Material Safety Data Sheet for complete health and safety information.
May help contribute to LEED credits:
- IEQ Credit 3.1: Construction Indoor Air Management Plan – During Construction
- IEQ Credit 7.1: Thermal Comfort – Design
- MR Credit 2: Construction Waste Management
- MR Credit 5: Regional Materials
This material last updated January 2011.