Bostik

Bostik 300

Cementitious smoothing compound
Bostik 300 product image
Product Overview

Bostik 300 is a high strength, polymer modified, cementitious underlayment. It is recommended for the smoothing and levelling of most common subfloors.

  • Self-levelling
  • From feather edge to 10 mm
  • Pumpable
  • Blend with 0–5 mm aggregate for 10–20 mm depth
  • Suitable for underfloor heating
  • Suitable under parquet/wood floors > 2 mm
Composition

Synthetic resin modified cement powder

Consumption / Coverage

Approx. 5 m² at 3 mm thickness

Working Time / Flow Life

Approx. 15 minutes at 20ºC

Set For Walking

After approx. 2 hrs at 20ºC, 3mm thick

Dry For Floor Covering

After approx. 6hrs (textile), 12hrs (vinyl) at 20ºC, 3mm thick

Compressive Strength

1 day = 18 N/mm²
7 days = 29 N/mm²
28 days = 37 N/mm²

Packaging

25kg paper bag, 42 units per pallet

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