Tremco SX250 Moisture Tolerant Smoothing Compound

Tremco SX250 Moisture Tolerant Smoothing Compound


SX250 is a pre-smoothing and repair compound for clean, sound, porous substrates. SX250 is specifically designed for preparation of interior applications and can be applied by hand or by pump.

Make an enquiry

    • Protein free

    • Shrinkage compensated

    • Can be mixed with clean aggregate

    • Suitable for use below a damp proof membrane

    • High compressive strength for heavy traffic applications

    A blend of special cements, graded fillers and modified polymers
    Open Time/Workability (at +20°C):
    up to 25 minutes
    Pot Life (at 20°C):
    20 minutes
    Approximately 5 m² per 25 kg sack at 3 mm thickness
    Cure Time (at 20°C):
    Between 2 - 4 hours for foot traffic and 8 - 12 hours for application of damp proof membrane, floor covering and loading
    Compressive Strength:
    1 day 18.33 N/mm². 7 days 33.70 N/mm². 28 days 42.84 N/mm²
    Tensile Strength:
    1 hour 1.67 N/mm². 7 days 2.98 N/mm². 28 days 4.16 N/mm²
    Store in dry, shaded conditions between +5°C and +35°C
    Shelf Life:
    6 months when stored as recommended in original unopened packaging. High temperatures and humidity will lead to a reduced shelf life
    Full Information:
    Check out the full datasheet available in the Downloads section!

    Related Products