Product Data Sheet
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Vapor Retarder Primer SB (US)

Vapor Retarder Primer SB (US)

Solvent based primer

Vapor Retarder Primer SB (US) is a solvent-based primer used to prime approved substrates prior to the application of Sika’s self-adhered vapor retarders.

  • Enhanced adhesion strength between primed substrates and Sika’s self-adhered vapor retarder
Product Data Sheet
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Usage

Primer used prior to the application of Sika’s self-adhered vapor retarders.    AREAS OF APPLICATION
  • Wood
  • Concrete
  • Lightweight concrete
  • Gypsum decks
  • Approved gypsum boards
 

Advantages

  • Enhanced adhesion strength between primed substrates and Sika’s self-adhered vapor retarder

Packaging

5 gallon (18.9 L) pails, 42 lbs (19.1 kg) per pail, 36 pails per pallet

Colour

Red

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

  • FM Global
 
Product Information

Chemical Base

Solvent-based liquid

Shelf Life

Vapor Retarder Primer SB has a shelf life of up to 60 months in the original sealed container stored in a cool ventilated area.

Storage Conditions

Store in a tightly closed container in a cool ventilated area. Keep away from any source of heat, dampness, humidity, oxidizing agents or direct sunlight.  Keep away from sources of ignition.

Density

Specific Gravity at 68°F (20°C):  0.79 kg/L

Viscosity

77°F (25°C):  200 cP

Volatile organic compound (VOC) content

VOC Content: 500 g/L
Technical Information

Reaction to Fire

Flash Point(ASTM D93) -9.4°F (-23°C)

Application

Application Information

Drying Time

15 - 60 minutes depending on temperature and quantity applied
Consumption

Coverage

The coverage rate will range from 83 - 138 ft2/gal (0.3 – 0.5 L/m2) on porous surfaces to 166 - 416 ft2/gal (0.1 – 0.25 L/m2) on non-porous surfaces.
Application steps

SUBSTRATE PREPARATION

All surfaces should be clean, dry, free of dirt, dust, debris, oils and other contaminants.

MIXING

Vapor Retarder Primer SB must be mixed well before use. Do not dilute.

APPLICATION

Apply the primer with a brush or roller and allow primer to dry completely before applying Sika’s self-adhered vapor retarder. Install Sika’s self-adhered vapor retarder on the same day as the application of Vapor Retarder Primer SB.

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