Metacrylics Acrylic Base Primer, Water-Based Elastomeric Roof Coating, 5 Gallon

Metacrylics Acrylic Base Primer is a transparent, water-based acrylic elastomeric coating supplied in 5-gallon pails in Clear or Gray. It works as a self-priming protective basecoat or as a primer for enhanced adhesion to existing surfaces. It must be topcoated with a Metacrylics acrylic topcoat for UV protection.

Key Features:

• Water-based acrylic: A transparent, water-based acrylic elastomeric coating with low volatility.
• Highly adhesive: A highly adhesive coating formulated for almost any surface.
• Primer or basecoat: Use as a self-priming protective basecoat or as a primer to enhance adhesion to existing surfaces.
• Wide substrate list: Applies to BUR asphalt, tar and gravel, granulated cap sheet, rolled roofing, metal, concrete, wood, foam, EPDM, PVC, and stucco.
• Requires topcoat: Must be protected from the sun’s UV with a Metacrylics acrylic topcoat.
• Dries clear: The Clear version is white when liquid and dries clear and tacky.

Specifications Table:

Coverage & How Much You Need:

Coverage rates per gallon are not stated in the available sources; estimate material needs from the substrate type and porosity and confirm with the manufacturer’s application guide before ordering.

Fit and Compatibility:

Designed as the base/primer layer under Metacrylics acrylic topcoats, which are required for UV protection. Apply over compatible substrates including BUR asphalt, cap sheet, metal, concrete, wood, foam, EPDM, PVC, and stucco.

Frequently Asked Questions (FAQ):

Q: What is included in one order?
A: One 5-gallon pail in your choice of Clear or Gray.

Q: Which color should I choose?
A: Clear is white when liquid and dries clear and tacky; Gray is useful where a tinted base layer is preferred. Both serve as basecoat or primer.

Q: Does this coating alone protect the roof from sun?
A: No, it must be protected from the sun’s UV by a Metacrylics acrylic topcoat.

Q: Can I apply it over EPDM or PVC?
A: Yes, the manufacturer lists EPDM and PVC among the surfaces Metacrylics products may be applied to.

Q: How much area does a 5-gallon pail cover?
A: Coverage figures are not provided in the available documentation; confirm application rate with the manufacturer before ordering.

Expert Verdict Reviewed by the SuperArbor Pro Desk

On aged or porous substrates, use this product as a primer to maximize adhesion before rebuilding the coating system. Apply it clean and dry, then topcoat with a Metacrylics acrylic topcoat before the base is exposed to sun for extended periods. Choose Gray when you want to see where the base has been applied; Clear works well where the final look matters.

Follow the safety data sheet for handling and ventilation, and avoid applying in conditions that prevent proper drying before topcoating.

Order the Metacrylics Acrylic Base Primer in Clear or Gray 5-gallon pails for your next roof restoration.