Tremco SX400 Cementitious Repair Mortar

Tremco SX400 Cementitious Repair Mortar


SX400 is a general purpose high strength fast setting mortar.
SX400 is designed for patch repairs in concrete and sand/cement subfloors, in small areas prior to the application of TREMCO surface membranes. It has good resistance to forklift traffic and may also be used for patch repairing floors in industrial premises.

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    • Sets in only 15 minutes for overlaying

    • Rapid strength gain

    • Can be mixed with clean aggregate

    • Bonds to porous substrates without a primer

    • Moisture tolerant for use under surface damp proof membranes

    A blend of special cements, graded fillers and modified polymers
    Open Time/Workability (at +20°C):
    5 - 12 minutes
    Pot Life (at 20°C):
    20 minutes
    2.220 kg/m³
    Cure Time (at 20°C):
    Foot Traffic: 90 minutes
    Compressive Strength:
    1 hour:
    12 N/mm²
    2 hours:
    21 N/mm²
    24 hours:
    28 N/mm²
    28 days:
    >50 N/mm²
    Tensile Strength:
    1 day:
    1.82 N/mm²
    7 days:
    2.46 N/mm²
    28 days:
    3.51 N/mm²
    Full Information:
    Check out the full datasheet available in the Downloads section!