PRO-935 R-35® Adhesion Promoting Wallcovering Primer

PRO-935 R-35 is an adhesion promoting clear acrylic wallcovering primer. Ideal for non-porous surfaces, such as ceramic tile, formica, and glass. PRO-935 dries with a permanent tack, allowing for wallcovering to be installed over hard to adhere to sealed surfaces.

Recommended Uses

  • Ideal for difficult surfaces such as glass, tile, laminate and paneling
  • Use when hanging wallcoverings with edge curl

Key Features

  • Dries with permanent tack, promoting wallpaper adhesion on sealed surfaces
  • Dries clear
  • Low odor, no splatter
  • Easy water clean-up
  • Water-based
  • VOC (Regulatory): Zero ( As calculated per EPA Method 24 )


  • Approximately 350 – 450 square feet per gallon.

Dry Time

  • Minimum dry time is 3 hours.
  • Optimum dry time is 12 hours. Low temperature, high humidity and poor ventilation will slow down the drying process.

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1-Gallon 5-Gallon
1-Gallon 5-Gallon
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Application Instructions

Surface Preparation: Surface must be free from grease and other residues, dry, and structurally sound. Repair drywall surfaces to required level value using appropriate spackle or mudding compound.

After completion of the required surface preparation, it is critical to test the surface with the recommended primer to ensure compatibility. Select a small, inconspicuous area of the surface for testing and apply the primer as specified. Inspect test area after 24 hours for any defects or inconsistencies before proceeding.

Application Method: Use only when the room temperature is above 60º F. Apply at recommended spread rate using a brush, roller, or spraying system. If using a spray system, back rolling is recommended. Do not overspread.

Airless Spray

PSI Capable:Minimum 3000 PSI
Hose:3/8” I.D.
Tip Size:.015 and larger
Gun PSI:2000-2300

Clean-Up: Before the primer dries, remove any excess with clean water. Brushes and rollers should be cleaned immediately after use with a mild soap and clean, warm water.


If you scrape, sand, or remove old paint, you may release lead dust. LEAD IS TOXIC. EXPOSURE TO LEAD DUST CAN CAUSE SERIOUS ILLNESS, SUCH AS BRAIN DAMAGE, ESPECIALLY IN CHILDREN. PREGNANT WOMEN SHOULD ALSO AVOID EXPOSURE. Wear a NIOSH-approved respirator to control lead exposure. Clean up carefully with a HEPA vacuum and a wet mop. Before you start, find out how to protect yourself and your family by contacting the National Lead Information Hotline at 1-800-424-LEAD or log on to

Roman Products, LLC does not endorse the use of any product in an installation that does not meet a Class A fire rating or any applicable code. Testing by a certified laboratory should be conducted to verify that the installation meets a Class A fire rating and to guarantee compliance with all applicable codes. Specifically, if a Roman product is used to hang wallpaper over existing wallpaper, it is unlikely to meet these standards.

Limited Warranty

Roman Products, LLC warrants that it will replace this product free of charge, if, within 12 months of manufacture, it is found to be defective in material or workmanship. This warranty is in lieu of any other. The exclusive remedy is limited to the replacement of the product and Roman disclaims all liability for consequential, punitive, and special damages. Conditions of use are beyond our control.


Store in a cool, dry place. DO NOT FREEZE! Do not take internally. In case of ingestion, seek medical attention. Avoid contact with skin and eyes. Use of skin and eye protection is recommended at all times. If contact with eye occurs, flush with water for 15 minutes. If skin contact occurs, wash with soap and water. Seek medical attention if rash or other symptoms occur. Do not mix with other chemicals. Use in a well-ventilated work area. Close container after each use. Keep out of reach of children.


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Product Type Wallpaper Primer
Coverage Approximately 350 - 450 square feet per gallon
VOC (Regulatory) Zero per EPA Method 24
Viscosity Approximately 1,600 cps
pH Level 9.3
Color White - Dries Clear
Interior/Exterior Interior
Drying Time Minimum dry time is 3 hours. Optimum dry time is 12 hours. Low temperature, high humidity and poor ventilation will slow down the drying process.
Product Storage Do not freeze. Keep in a cool, dry place.
Dilution Rate Do not dilute

Safety Data Sheets

Technical Data Sheets


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