Roof Types

  • Asphalt
  • Hot Mop
  • Mod Bit
  • EPDM Concrete
  • TPO (needs to be atleast 10 years old)



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Multi Surface Roofing Primer

1. Product Name

PrimeLock® MultiSurface

2. EPDM Coatings

P.O Box 3429, Wernersville PA 19609, EPDM Coatings N.E Sales Office, 494 Bridgeport Ave Suite 101, PMB 342 Shelton,CT 06484-4748 URL: www.epdmcoatings.net

3. Product Description

PrimeLock® MultiSurface is a solvent based, quick drying, roofing primer designed to encapsulate chalky or mildy rusted surfaces. It improves adhesion of all EPDMroof coatings. It contains rust inhibitors and mildewcides.

Basic Uses

Built Up Roofing(BUR),Concrete Roofs, Metal Roofs, Modified Bitumen, Polyurethane Foam, Single Ply Roofing (PVC, TPO).

  • Fast curing, solvent based rust protection primer.
  • Contains rust inhibitors and locks up rust.
  • Penetrates into porous surfaces and provides excellent anchorage.
  • Black primer raises surface temperature before the application of sprayed polyurethane foam.
rust protection 

4. Technical Data

See table on the following page.

5. Installation

  • All surfaces to be coated must be clean, dry and free of any oil, grease or dirt.
  • Any existing coating must be checked for good adhesion.
  • Before application, any loosely adhered coating must be removed and bare surfaces must be prepared, cleaned and checked for compatibility.
  • PrimeLock® MultiSurface is ready to use. Thinning is not recommended.
  • Containers should not be left open for extended periods of time.
  • Follow our and roof restoration procedures and always perform a coating adhesion test before doing the entire roof.
  • Do not leave primer exposed beyond 48 hours as weathering and dirt pick up may compromise adhesive properties.
  • Spray: 3,000 psi, 0.17 tip.
  • Brush: Good quality, stiff synthetic bristle brush.
  • Clean Up: Xylene.

6. Availability & Cost

PrimeLock® MultiSurface is available directly from EPDM Coatings and from online distributors. Contact EPDM Coatings for pricing information.

7. Warranty

This product is should be topcoated with our elastomeric coatings. A warranty is provided on the entire roof restoration system when installed by an authorized contractor.

8. Maintenance

Periodic maintenance of EPDM Roof Restoration System ensures extended service life and maintains reflectivity.

9. Technical Services

Contact EPDM Coatings for Technical Support. Additional information, product literature, brochures, and specifications are available.

10. Filing Services

Additional product information is available from EPDM Coatings.

This product data sheet conforms to the editorial style prescribed by The Construction Specifications Institute.
The manufacturer is responsible for technical accuracy.

PrimeLock® MultiSurface Technical Data

Property Value Test Method
Color Black
Viscosity 135 cps
Density 7.3 ± .2 lbs per gallon
Flash Point 0°F
Coverage 0.5g/100sf as an adhesion promoter. 0.75g/100sf over midly rusted surfaces.
Application Temperature 45°F (and rising) - 95°F, Less than 85% relative humidity.
Dry Time Dry to touch in 1 - 2 hours.
Shelf Life 6 months @ 40°-90°F
Clean Up Paint Thinner

Freight Classification: Paint - Flammable Liquid (UN 1263 Red Label Required)

Warning: PrimeLock® MultiSurface is a solvent-based primer. Keep away from open flame, heat or sparks. Use only in ventilated areas and provide mechanical ventilation in enclosed spaces. Avoid breathing vapor or mist. Approved (MESA/NIOSH) chemical respirator and protective clothing must be used at all times. Fresh air hose masks required for interior applications. EPDM Coatings must be completely dry before exposing to water or foot traffic. Keep EPDM Coatings containers covered when not in use. Dispose of all containers in accordance with state and local environmental regulations. Keep away from children. If ingested, do not induce vomiting. Call Physician immediately.

Product information contained herein are presented in good faith and believed to be reliable. They do not constitute part of our terms and conditions of sale. It is also not a guarantee, either expressed or implied, that the data are correct or that products described are merchantable or fit for a particular purpose as methods of use are beyond our control. Customer should determine the suitability of our materials and installation recommendations before usage. Manufacturer's sole responsibilty shall be to replace that portion of any product that proved to be defective.

This product data sheet conforms to the editorial style prescribed by The Construction Specifications Institute.
The manufacturer is responsible for technical accuracy.