Primer specific for polyurethane sealants

Code: PRS.0102

Components: 1

Appearance: Liquid

Gripping polyurethane primer for the preparation of the joints in concrete, masonry, etc. surfaces for subsequently filling with polyurethane (PROTECH FLEX) and/or epoxy-polyurethane (EG 91) sealants.

Linee di appartenenza

General characteristics


Density: 1 (± 0.01) kg/dm³


Flammable material


Pot-life: 60 min


Shelf-life: 8 months


Solvent-based product


Temperature of use: +5 / +35 °C


Use wearing protective gloves

Technical specifications

Dry residue

40 %


30 (±5) mPa

Available colours

- Amber

Packaging and dimensions

- Canister 1 kg


Approximately 0.02 kg of PROTECH FLEX PRIMER for every linear metre of joint to be treated.

Use fields

Preliminary reinforcing impregnation of concrete surfaces, forming walls of flooring and roofing joints, prior to sealing it with polyurethane and epoxy-polyurethane sealants.

Preparation of supports

The application surfaces should be clean, free of incrustations, crumbling and non-adhering parts, dust etc.

Use method

Apply PROTECH FLEX PRIMER, using a brush with short bristles, on the walls of the joint to be sealed.

It is appropriate to provide for the insertion in the joint, whatever its nature and the specific foamed polyethylene kerb FILTENE FONDOGIUNTO, of the appropriate size for the joint to be sealed.

Application methods

- Brush

Tool cleaning

- Nitro thinner

Permitted supports

- Plasters

- Concrete

- Cement-based or lime-based mortars

- Prefabricated concrete

- Drywall

- Wood

- Metal surfaces

- Plastic

- Fiber-cement

- Tiles

- Floor screed

Warnings, precautions and Ecology

Warning: it is a highly flammable material.

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