High Expanding PU Foam D842

A high strength, One-Component Polyurethane Foam ideal for filling gaps and voids in building and construction projects.


High Bond Strength
High Solid Content
Indoor & Outdoor Use
Permanent Bond
High Expanding Ratio
Moisture Cure Properties
Filling Gaps and Voids
Fire Resistant to DIN 4102 B2 Standard

Dunlop D842 is a One-Component Polyurethane Foam (OCF) with a superior expansion rate. It gives high bond strength on a wide variety of materials through its Flex-Nozzle, with rapid hardening for fast work and can be easily trimmed by knife and sand paper when cured. This new market-leading formula adds a higher level of insulation, sound deadening and age resistant properties to projects. Its high expanding and moisture cure properties make it ideal for filling gaps and voids occurring in building and construction projects. It is a high strength foam and is fire resistant to DIN 4102 B2 standard.

  • Concrete
  • Mortar
  • Breezeblocks (cinder blocks)


1. Ensure surfaces are free from dust, dirt and grease.



2. Ensure the nozzle is clean of dirt, grease and dried foam.



3. Shake the can well.



4. Turn the Dunlop D842 can upside down and fill the void as required.



5. Note: the foam will expand up to 50 times its volume.



6. Leave for at least 12 hours to cure.



7. Remove and clean the adaptor.



  •  750ml

Keep out of reach of children.

Store in a cool, dry place; away from direct sunlight and sources of heat and ignition.

Data Sheet