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FeRFA selection guide

Resin flooring provides a long-lasting, high performance system for the most exacting situations, but choosing the correct system to meet your specific flooring requirements is an important part of the selection

process. To assist in this, FeRFA has produced a classification system for the different floor types which forms the basis of the British Standard BS 8204-6. For further information on the different flooring types, simply click on the different categories as follows:


1 Floor seal Applied in two or more coats.
Generally solvent or water borne. LD up to 150 µm
2 Floor coating Applied in two or more coats.
Generally solvent free. LD/MD 150 µm to 300 µm
3 High build Floor coating Applied in two or more coats.
Generally solvent free. MD 300 µm to 1000 µm
4 Multi-layer flooring Aggregate dressed systems based on multiple layers of floor coatings or flow-applied floorings, often described as 'sandwich' systems. MD/HD > 2 mm
5 Flow applied flooring Often referred to as 'self-smoothing' or 'self-levelling' flooring and having a smooth surface. MD/HD 2 mm to 3 mm
6 Resin screed flooring Trowel-finished, heavily filled systems, generally incorporating a surface seal coat to minimize porosity. MD/HD > 4 mm
7 Heavy duty flowable flooring Having a smooth surface. HD/VHD 4 mm to 6 mm
8 Heavy duty Resin flooring Trowel-finished, aggregate filled systems effectively impervious throughout their thickness. VHD > 6 mm

Note: Click type number above for more information

Duty* Description
LD (Light duty) light foot traffic, occasional rubber tyred vehicles
MD (Medium duty) regular foot traffic, frequent fork lift truck traffic, occasional hard plastic-wheeled trolleys
HD (Heavy duty) constant fork lift truck traffic, hard plastic wheeled trolleys, some impact
VHD (Very heavy duty) severe heavily loaded traffic and impact
In general terms these categories of flooring are listed in ascending order of durability. However the actual life in a particular installation will depend on the product formulation used, the quality of the substrate and the degree of severity of the service conditions. Please refer to FeRFA Guide to the Selection of Synthetic Resin Floors (ISBN 0 9538020 3 5) for further information on the features and characteristics of the floor types.

Some of these categories of flooring may be produced with special decorative effects by the incorporation of coloured particles or flakes in the surface. Terrazzo-like finishes (ground exposed aggregate) may be produced from certain trowel-applied floorings of Types 6 and 8. Slip resistant or anti-static/conductive versions of all these categories may also be available.

Associated products

Resin coving, skirting and renders
Polymer modified cement underlayments
Resin based floor repairs
Resin based jointing
Chemical resistant bunds
Damp proof membranes
Resin coating for wall tanks, etc.
Screed refurbishment

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