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Feather Finish Compound

SX070 is a rapid drying feather finish compound for interior applications

Ideal for smoothing and repairing the subfloors prior to the installation of a floor covering.

  • Short setting and cure time, facilitating a fast track program and minimising disruption
  • Can be applied over well bonded thin film adhesive residues
  • Can be used to repair ridges and depressions up to 12 mm, or to achieve a true feather edge
  • Does not require a primer prior to application
  • Excellent adhesion to a wide range of common flooring substrates, including: concrete, sand/cement screeds, plywood, glazed and unglazed floor tiles, etc.

Moisture Testing

(in accordance with British Standards 8203)

  • Suitable for application on substrates with <75 % RH.
  • It is recommended that a moisture test is conducted prior to the application of SX070. For further details or to arrange for a moisture test please contact tremco illbruck Technical Services.


  • Ensure all surfaces to be coated are clean, dry, frost free and free from grease, oil, dirt, dust, loose friable material and any other contaminants (coating, laitance, etc).
  • Any surface hardener or curing compounds should be thoroughly removed prior to the application
    of SX070.


Not usually required on porous substrates. Non porous substrates should be primed with CS100
Epoxy Primer.

Technical data

CompositionA blend of special cements, graded fillers and modified polymers
Open Time/Workability
(at +20°C)
15 minutes

Pot Life
(at 20°C)

20 minutes

An average thickness of 1 mm will give a coverage rate of 14 m² per mix. Up to 50 m² coverage may be achieved when used as a true feather edge.

Cure Time  
(at 20°C)     

Floor Covering: After 1 hour
Full Traffic: After 24 hours
StorageStore in dry shaded conditions between +5°C and +25°C
Shelf Life6 months when stored as recommended in original unopened packaging

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