FERFA TYPES 1 TO 8 · TEN SYSTEMS

Resin Flooring Types and Systems Compared

Every resin floor we install, set out side by side with the classification, duty, thickness and cost per square metre. The range runs from a thin seal that stops a sound slab dusting, to a nine millimetre polyurethane screed that survives boiling discharge and steam cleaning. The right one is decided by what the floor carries, what reaches it, and how long you can close.

THE FULL RANGE, COMPARED

Every System We Install, Side by Side

Figures are indicative and come from our own pricing matrix. Preparation, substrate condition and access all move the final number, which is why every quotation follows a survey.

SystemClassDutyTypical thicknessCost per m²
Resin Floor SealType 1Light to mediumUp to 150 micronsFrom £8
Epoxy and PU CoatingType 2Light to mediumUp to 300 microns£8 – £12
High Build EpoxyType 3MediumUp to 1,000 microns£8 – £12
Multi-Layer FlooringType 4Medium to heavy1 – 3 mm£12 – £16
Self-Smoothing ResinType 5Medium to heavy2 – 4 mm£20 – £30
Heavy Duty FlowableType 7Heavy to very heavy4 – 6 mm£25 – £35
Polyurethane ScreedType 8Heavy to very heavy6 – 9 mm£30 – £40
PolyasparticChemistryMedium300 – 500 micronsFrom £38
MMA Resin FlooringChemistryMedium to heavy2 – 6 mmFrom £45
Anti-Slip and ESDBuild-upFollows the baseAdded to Types 3 to 8From £12
EACH SYSTEM IN DETAIL

The Ten Resin Systems in Detail

Resin floor seal applied to an industrial concrete floor

FeRFA Type 1 · Up to 150 microns

Resin Floor Seal

Dust-proofs a sound but dusting slab and makes it cleanable.

Full specification →
Epoxy and polyurethane resin floor coating in an industrial unit

FeRFA Type 2 · Up to 300 microns

Epoxy and PU Coating

Chemical resistance with a gloss, matt or silk finish.

Full specification →
High build epoxy resin floor coating in an industrial unit

FeRFA Type 3 · Up to 1,000 microns

High Build Epoxy

The most commonly specified industrial system. Takes colour well.

Full specification →
Multi-layer epoxy resin floor with broadcast aggregate

FeRFA Type 4 · 1 – 3 mm

Multi-Layer Flooring

Aggregate broadcast between coats. Grip built into the floor.

Full specification →
Self-smoothing polyurethane resin floor in a production area

FeRFA Type 5 · 2 – 4 mm

Self-Smoothing Resin

Flow applied, seamless and non-porous. Hygiene-led specification.

Full specification →
Heavy duty flowable resin floor with a smooth seamless finish

FeRFA Type 7 · 4 – 6 mm

Heavy Duty Flowable

Screed-level duty that still flows out to a smooth finish.

Full specification →
Heavy duty polyurethane resin screed floor in a factory

FeRFA Type 8 · 6 – 9 mm

Polyurethane Screed

Thermal shock, steam cleaning and washdown. Roughly −40°C to +120°C.

Full specification →
Fast-curing polyaspartic resin floor installed to reduce shutdown time

FeRFA Chemistry · 300 – 500 microns

Polyaspartic

Foot traffic in about two hours. Installs down to −5°C.

Full specification →
Industrial resin floor in a production facility

FeRFA Chemistry · 2 – 6 mm

MMA Resin Flooring

Full cure in two to three hours. Sub-zero capable, strong odour.

Full specification →

Anti-Slip and ESD Build-Ups

Grip and static control are not systems in their own right. Both are layers added to one of the systems above, available across FeRFA Types 3 to 8, and both are specified against a measured value rather than a word on a datasheet.

How the build-ups work →
HOW THE DECISION IS MADE

Three Things That Decide Which System

Nobody should be choosing a resin floor from a product list. Three readings taken on site narrow ten systems to one or two, and the rest of the specification follows from there.

What the Floor Carries

Forklift traffic, racking baseplates and dropped tooling set the thickness. Duty is the first filter and it rules systems out faster than anything else does.

What Reaches the Surface

Heat, water, oils and cleaning chemicals decide the chemistry. A floor that survives abrasion can still be destroyed by a washdown regime.

How Long You Can Close

The hours the floor can be out of service often decides the answer on its own, and it is the reason the fast-cure chemistries exist at all.

WHAT THE CLASSIFICATION MEANS

What the FeRFA Classification Actually Tells You

FeRFA, aligned to BS 8204-6 classification practice, divides synthetic resin floors into eight types. The types are distinguished primarily by build-up and thickness, running from a Type 1 floor seal at up to 150 microns to a Type 8 heavy duty resin at over 6mm. That is useful shorthand, and it is worth understanding what it does not tell you.

A FeRFA type describes how much floor you are getting, not what it is made of. Two Type 5 floors can be epoxy and polyurethane respectively and behave very differently under heat. Equally, polyaspartic and MMA sit outside the classification altogether, because what they offer is cure speed rather than build. So the type number narrows the field; the chemistry and the exposure decide it.

SPECIFY IT FROM THE SUBSTRATE UP

Find Out What Your Floor Actually Needs

We attend site, test the substrate for moisture and contamination, and record the traffic, chemicals, temperatures and closure window the floor has to work around. The system comes out of those findings rather than out of a price list.