Price: $233.00
Item #838-MP-PRIME-5GAL
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Description
The 838 MP Prime Multipurpose Primer is a water-based acrylic primer designed for use on bare metal and asphalt-coated roofing substrates. It functions as a rust inhibitor and bonding layer, helping improve adhesion for subsequent coating systems. The formulation provides stain blocking properties while preparing the surface for proper coating performance.
Key Features
- Water-based acrylic primer formulation
- Designed for bare metal and asphalt-coated surfaces
- Provides rust inhibiting properties
- Offers stain blocking performance
- Promotes strong adhesion for coating systems
- Can be applied over light and scattered rust
- Low VOC, water-based formulation
- Available in gray, including 5-gallon pails
Specifications
Type: Water-based acrylic primer / rust inhibitor
Application Rate: 0.5–1.0 gal per 100 sq ft (depending on substrate)
Application Temperature: 42°F – 120°F
Dry Time: approx. 2 hours (75°F, 50% RH)
Solids (by weight / volume): 55% ±3 / 40% ±3
Weight: 8.8 lbs per gallon
Viscosity: ~3,000 cps
Application Method: spray, roller, or brush
FAQs
Q: Do I need to prime the entire surface or just problem areas?
A: Priming is typically done across the full surface to ensure consistent adhesion for the coating system, especially when working with mixed or weathered substrates.
Q: How soon can a coating be applied after using this primer?
A: The primer should be allowed to dry before applying a topcoat. Dry time will vary based on temperature and conditions, so it’s important to confirm the surface is fully dry before proceeding.
Q: Can this be used as a standalone protective coating?
A: This product is designed as a primer and bonding layer, so it is intended to be used as part of a coating system rather than as a finished surface.
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