Maximize Waterproofing Performance with Pro Primers

One man pours Pro Primer Resin onto a concrete surface while another man uses a roller to spread it
Pro Primer E application
Pro Primer E
Pro Primer R
Pro Primer T
Pro Primer W

Siplast offers various Pro Primers for common substrates that are applied prior to the use of Parapro Roof Membrane Systems, Parapro 123 Flashing Systems, Terapro Waterproofing and Surfacing Systems, and Terapro Concrete Protection Systems.

  • Resins are translucent.
  • Pro Primer E is also used as an accessory to STP roofing and waterproofing systems.
  • Pro Primer W, Pro Primer R, and Pro Primer T Resins can be covered with Terapro and Parapro Resins a minimum of 45 minutes following application.
  • Pro Primer W Resin can be exposed for up to 6 months.

About Pro Primer Resin

Pro Primer Resins are two-component, resin primers for use over qualified/approved concrete substrates prior to application of Parapro, Terapro, and Terapro VTS Systems. 

Contact Siplast for specific information on specified approved product uses.
 

Pro Primer E

Two-component, low-viscosity, low-odor, solvent-free, epoxy-based primer for use when concrete moisture levels exceed those allowable for PMMA primers.

  • Unit

    Metal drum

Pro Primer R

Primer and sealer for bituminous and asphaltic surfaces.

  • Unit

    Metal drum

Pro Primer T

Primer and sealer for horizontal concrete surfaces.

  • Unit

    Metal drum

Pro Primer W

Primer and sealer for wood surfaces, plywood, and some vertical areas of concrete or approved substrates.

  • Unit

    Metal drum

Installation

Application

Refer to the applicable Siplast Technical or Installers Guide for detailed application information, including application/coverage rates. Refer to the Pro Primer E Installer’s Guide Supplement for detailed information. A & B components must be properly mixed before use.

 

Storage and handling

Store indoors in a well-ventilated, cool, dry area away from heat, open fire, ignition sources, direct sunlight, oxidizing agents, strong acids, and strong alkalis. Store at temperatures between 50°F and 95°F (10°C to 35°C). Prevent exposure of containers to direct sunlight and/or freezing temperatures. Store jobsite materials on pallets in a shaded, well-ventilated area. Shelf life is 12 months when stored under the conditions noted above. 

See product packaging and the Safety Data Sheet above for specific information on the safe handling of this product.

 

Packaging

All Pro Primer products are packaged in 10 kg (22 lb) drums or kits that include nested A & B components, if applicable.

 

Application and coverage rates

  • Typical Set/Cure Times at 73° F(23°C)
    • Pro Primer E - Ready for Next Coat = 12 hours minimum and 48 hours maximum; Maximum exposure without recoat = 48 hours
    • Pro Primer R - Rainproof = 25 minutes; Ready for Next Coat = 45 minutes
  • Typical Set/Cure Times at 68°F (20°C)
    • Pro Primer T and Pro Primer W - Rainproof = 25 minutes
  • VOC Content
    • All Pro Primers - EPA test method 24

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