Verified by manufacturer 17 days ago
EMS ISO 14001
OHSAS 45001: 2018
QMS ISO 9001
M1 emission classification
Floor finishing compound.
Suitable for use to plywood, existing floor smoothing underlayments, sand/ cement screeds, calcium sulphate screeds and other rigid dry absorbent surfaces, prior to the installation of floorcoverings.
STOPGAP 500 is a rapid drying floor finishing compound providing a smooth surface to plywood, existing floor smoothing underlayments, sand/ cement screeds, calcium sulphate screeds and other rigid dry absorbent surfaces, prior to the installation of floorcoverings.
STOPGAP 500 is dimensionally stable and is supplied as a pre-blended dry powder, which is designed for Micro-Coat application to a feathered edge. It is protein-free which allows it to be used in biologically sensitive areas.
Subfloors of plywood/hardboard construction must be securely screw fixed in accordance with local standards.
Priming: No priming is necessary.
To EN 13813:2002.
15–20 minutes at +20°C.
25 minutes at +20°C.
At Micro coat: 25 minutes.
Consumption (per layer applied)
1kg/m² per mm thickness.
Compressive strength - 1 day
Compressive strength - 7 days
Compressive strength - 28 days
1 Day: >2.0 N/mm²; 7 Days: >4.0 N/mm²; 28 Days: >6.0 N/mm².
Contains Red List materials
Country of material origin
Country of product manufacture
A1-A3 (production stage) as defined in BS EN 15804
Stopgap 1100 Gypsum - Smoothing Compound
Stopgap 1200 Pro - Smoothing Compound
Stopgap 1500 Aquapro - Smoothing Compound
Stopgap 300 HD - Smoothing Compound
Stopgap 600 Base - Smoothing Compound
Stopgap 700 Superflex - Smoothing Compound
Stopgap 800 Wearcoat - Smoothing Compound
Stopgap 850 Exterior - Smoothing Compound
Stopgap Green Bag - Smoothing Compound
Stopgap Micro Rapid - Repair Mortar