Reinforcing fixative primer based on potassium silicates

Code: PRT.0171

Components: 1

Appearance: Liquid

Reinforcing, fixative, transparent primer, based on stabilised potassium silicate for the preliminary treatment of the surfaces to be painted and/or plastered with silicate-based, lime putty, systems, for ecological building interventions, new buildings and for the restoration of vintage buildings and monuments.

Linee di appartenenza

General characteristics


Temperature of use: +5 / +30 °C


Shelf-life: 12 months


Use wearing protective gloves




Use wearing protective glasses


Density: 1.278 kg/dm³

Technical specifications

Hard to touch

6 h

Deep hardening

24-48 h

Available colours

- Transparent

Packaging and dimensions

- Plastic can 20 l

- Plastic can 5 l


SANAXIL FIX is a product consisting of potassium silicates. It is highly breathable and is not subject to thermoplastic effects. It does not contain resins, solvents, thinners and harmful or toxic emanations. Free of V.O.C.


Apply from 0.10 to 0.15 litres of SANAXIL FIX per square metre of surface to be treated.

Use fields

"Priming" fixative treatment of coatings, paints or putty coat based on lime putty, potassium silicate and siloxanes in general. Dust-proofing, reinforcing, cortical treatment for surfaces of pulverising plaster.

Preparation of supports

Organic type paints (washable, solvent-based etc.) where present, must be thoroughly removed. The support should, in any case, be, clean, homogeneous, compact, dust-free.

Use method

SANAXIL-FIX can be applied to substrates in masonry, on cement surfaces, lime-based surfaces, on well anchored mineral paints. They can be applied by brush, roller or spray: the number of coats required and the most appropriate dilution ratio with water will be determined as a function of the absorption conditions and degradation of the support. The admissible dilution range provides for additions of water up to a maximum ratio of 1:1.

Application methods

- Brush

- Paint roller

- Sprayer

Tool cleaning

- Water

Permitted supports

- Bricks

- Cement-based or lime-based mortars

- Concrete

- Fiber-cement

- Floor screed

- Mixed walls (bricks and stones)

- Paint

- Plasters

- Stone walls

Warnings, precautions and Ecology

Do not apply on surfaces in gypsum, on surfaces that are not cured, on moist or hot surfaces, with direct solar radiation.

During application, protect glass, enamelled metals, aluminium, polished tiles etc., which may be opacified from accidental contact with silicate solutions.

Handle following the safety guidelines on the packaging: use with protective gloves and goggles.

SANAXIL FIX can be pigmented with several colour variations and is recommended for colour stability over time.

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