Swepco Bituminous & Reflective Coatings
MSDS | Product Brochure | Product DataSwepco Concrete Primer® Product Information
- Seals concrete decks to prevent bonding and moisture problems.

- Formulated for use on both concrete and asbestos cement roofs.
- Improves strength and uplift resistance of the roof.
Formulated specifically for concrete decks ,solves concrete dust and scale problems which interfere
with proper bonding, improves bond of waterproofing materials ,improves wind uplift resistance of new roof systems
,penetrates deeply to promote optimum bonding
contains Zonamine, a proprietary SWEPCO moisture, displacement additive which helps insure superior
bonding, helps provide a barrier to prevent moisture in concrete
decks from entering waterproofing systems,
also effective as a primer for aged asbestos cement roofs, prior to application of waterproofing coatings, safe and easy to apply
A black liquid asphalt primer for priming bare concrete roof decks and corrugated asbestos cement roofs prior to the installation of a SWEPCO Roof System. It provides solid bonding and uplift resistance for the new roof system by absorbing loose dust and scale on the surface. It also helps prevent blistering of the completed roof by sealing the pores of concrete decks.
For a high performance waterproofing system over concrete decks, start with a high performance primer.
SWEPCO Concrete Primer facilitates optimum bonding. It absorbs the powdery dust and scale which can prevent
formation of strong bonds on
concrete. Premium quality ingredients penetrate to bond loose particles together, creating a highly bondable
surface. Strengthens the entire roofing assembly, making it more resistant to blow-off in high winds, slippage,
blistering, wrinkling and other serious problems which shorten the service life of the roof.

Roofing & Building Maintenance Products
Technical Information & Specifications
Refer to Product Data Bulletin or Product Container Label for complete preparation, application and coverage rate information.
PURPOSE & DESCRIPTION
SWEPCO Concrete Primer is a low viscosity liquid asphalt primer manufactured from SWEPCO’s specially selected and
refined Heart of Texas” Asphalt®, Zonamine and select waterproofing additives. It is designed for priming and
sealing bare concrete decks prior to installation of SWEPCO Roof Systems
utilizing Heavy Duty PolyPly or other types of asphalt roofing membranes. Zonamine,
SWEPCO’s proprietary moisture displacement additive, helps insure strong bonding even if some
unavoidable surface dampness exists. It also used as a primer over weathered, friable corrugated asbestos roofs
prior to application of waterproofing coatings.
MEETS OR SURPASSES
Surpasses ASTM Designation D-41-78, US Federal Specification SS-A-701B and Canadian Government Specification 37-GR-9M.
PHYSICAL PROPERTIES
Low viscosity
Penetrates readily
Excellent adhesion
Unit Weight: 7.2 lbs./gal. (0.87 kg/liter)
Flash Point (in container): 105°F. (40.5°C)
SURFACE PREPARATION
Concrete roof decks must meet all requirements contained in the booklet entitled SWEPCO Built-Up Roof System
General Specifications” prior to application of Concrete Primer.
APPLICATION
Applied straight from the container with standard roofing brushes, squeegees, paint rollers or airless spray equipment. Requires no heating, thinning or mixing.COVERAGE RATES
Coverage varies with surface. Typical usage rate is 0.5--1.0 gal./100 sq. ft. (0.20--0.41 liter/m2).
CURING
Drying time depends upon temperature and climate. Usually dries to touch in approximately 1 to 2 hours.
PACKAGING
Available in 6-gallon (23 liter) pails.
STORAGE
Indefinite shelf life when containers are kept tightly sealed and stored at less than 100º F (38º C).
CLEAN-UP
Clean-up spills and tools with kerosene or mineral spirits.
