A water-based acrylic sealant suitable for internal low movement joints.

Not recommended for high movement joints or for external joints.

Fair resistance to most alkalis and dilute acids; poor resistance to hydrocarbon solvents.

Will not readily ignite, so does not constitute a fire hazard.

Can be painted with emulsion and gloss paints when fully cured.

Correctly applied, the sealant should not require maintenance, and has an anticipated life in excess of 15 years.

Health and safety:

Some components are labelled as harmful. Use of this product should be recorded in the project Health and Safety Plan.

Application temperature:

+5°C to +50°C.

Curing time:

Allow 3 hours before application of emulsion paint and 12 hours before application of gloss paint.

Joint dimensions:

– Width:

  • Minimum 6 mm; maximum 20 mm.

– Depth:

  • Porous substrates: Minimum 10 mm; maximum 10 mm.
  • Non-porous substrates: Minimum 6 mm; maximum 10 mm.

Joint backing:

Closed cell foam polyethylene is recommended to pack out deep joints.


Not required.

Standard product features



NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-55-75/320 Acrylic construction joint sealants

Product specification

An important note about specifying



Adshead Ratcliffe & Co Ltd


+44 (0)1773 826661

Product reference



[Joint backing: Closed cell foam polyethylene rod]

Manufacturer details

Derby Road,
Derbyshire, DE56 1WJ
Tel +44 (0)1773 826661
Fax +44 (0)1773 821215
NBS Plus
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