780 Machinable Heavy Duty Clear Wallcovering Adhesive

ROMAN 780 Machinable Heavy Duty Clear Wallcovering Adhesive is recommended for installing medium to heavy weight wallcoverings. ROMAN 780 has a flowable, pourable viscosity ideal for pasting machines. The adhesive is dry strippable, dries clear, and cleans up easily with water.

Recommended Use

  • Ideal for medium weight to heavyweight wallcoverings, including commercial vinyl.

Key Features

  • Exceptional adhesion
  • Long open time – allows for easy adjustments
  • Provides slip – allowing for easy positioning and pattern matching
  • Dry strippable
  • Formulated for pasting machines
  • Cleans up easily with water
  • Covers up to 240 square feet per gallon
  • VOC (Regulatory): <5 g/L

1-Gallon 5-Gallon
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ROMAN recommends contacting the retailer before purchase to ensure that the product you are looking for is available.

Application Instructions

Surface PreparationSurface must be free from grease and other residues, dry, smooth and structurally sound. Check surfaces for paint bonding, loose wallcoverings, damaged wall-board or plaster. Repair all unsound surfaces. Priming of bare drywall is not required with fabric-backed wallcoverings. Before proceeding with any unusual conditions, consult your adhesive or wallcovering supplier. 

Application Method: Use only when the room temperature is above 60°F. Apply an even coat of adhesive with a paint roller, brush, or pasting machine. Follow the wallpaper manufacturer’s instructions to paste the paper or paste the wallBook wallpaper according to the instructions. 

Avoid contact with the surface of embossed, textured or delicate wallcoverings.

Clean-Up: Before the adhesive dries, remove any excess with clean water. Additional effort may be required if the adhesive is allowed to contact the surface of embossed or textured vinyls.


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 www.epa.gov/lead.

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 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 Clear Wallcovering Adhesive
Coverage Approximately 240 square feet per gallon.
VOC (Regulatory) < 5 grams/Liter
Color Clear
Interior/Exterior Interior
Strippable Strippable with fabric-backed vinyl wallcoverings once dry.
Drying Time Drying time will vary depending on the temperature, ventilation and humidity of the room.
Product Storage Do not freeze. Keep in a cool, dry place.