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MURALE

Universal adhesive for wall coverings, ready to use

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MSDS (31 Kb)
Definitions
PrimerLiquid or paste applied onto a substrate to obtain optimum bonding. It helps regulate the porosity of the substrate (reduce absorption, therefore adhesive usage), increase adhesion to non porous surfaces, improves application properties of later on applied adhesive
TackAdhesive power to maintain together 2 materials. Tacky surface means sticky surface.
Waiting timeTime between adhesive application and material bonding. It is required to wait to allow the adhesive to have enough adhesion power (tack) to receive the floor covering.
Working timeTime between end of waiting time and moment when the application is no longer possible

Uses

QUELYD MURALE is a ready-to-use adhesive suitable for hanging:

textured string wallcoverings/stringcloth on a paper- or non-woven fabric backing
needlepunch with paper backing
paper-backed or coated textile wall coverings
paintable fibreglass
flocked or velvet wallcoverings on a paper- or non-woven fabric backing
PVC wall coverings on a paper with woven or mineral backing
thin expanded polystyrene in rolls (2 to 5 mm thick).

IMPORTANT: The backing of some wallcoverings (e.g. textured string wallcoverings) must be carefully moistened prior to hanging. An appropriate soaking time must be observed. Follow the manufacturer's recommendations.

Benefits

Ready-to-use adhesive
Easy and rapid application with a paint roller without splashing
Easy slide for perfect pattern matching and strip adjustability
High tack: wallcovering can be immediately secured into position
Contains antifungal additives to prevent mould growth
Environment-friendly: may be used in all premises, even when occupied.
Recommended by major wall covering manufacturers
Packaging available in 4 languages: Bulgarian, Romanian, Russian and Ukrainian

Properties

Physical:

Adhesive type: water-based dispersion of vinyl polymers and starch derivatives
Colour: white
Specific gravity: approx. 1.0
pH: approx. 7.5 to 8.5
Waiting time: 0 to 5 minutes subject to ambient conditions, relative humidity and type of substrate
Working time: approx. 20-30 minutes subject to ambient conditions, relative humidity and type of substrate
Full cure: after 24-48 hours subject to ambient conditions, relative humidity and type of substrate
Working temperature: between +10° and + 25°C
Frost/thaw stable: down to -10°C.

Consumption:

approx. 150-250 g/m²

Safety:

IMPORTANT: before embarking on any work involving QUELYD MURALE the separate Product Safety Data Sheet must be studied carefully by those carrying out the work.

Shelf life:

Up to 18 months in the original unopened container stored between +10°C and +25°C. Frost stable down to -10°C. In case of product freezing, put the bucket into the heated room (+25°C) for at least 24-48 hours. Mix well before application.

Application

PREPARATION

For use onto gypsum-based substrates, gypsum wallboards, prepared old wallboards, painted walls, plaster coatings, particleboards and wooden substrates.

Preparation should be in accordance with building standards. Walls must be sound, even, smooth, permanently dry and free from dust, grease or other contaminants, and have normal porosity.

The moisture content for plaster based substrates should be lower than 5%, for wood and derivatives between 10 and 14%.

Absorbent substrates

Fill all cracks and holes. Fix flaky and chalking substrates with QUELYD PRIMA primer.

For gypsum wallboards, particleboards and plywood use QUELYD PRIMA primer.

On waterproof and fireproof wallboards it is compulsory to use solvent-based primer IMPREGLUE.

Do not use rich, nutritive primers or "remaining paint" type mixtures, which may reduce substrate porosity.

Painted surfaces

Scrape off any flaking paint and smooth the surface with a sanding block. Glossy and semi-gloss paint should be sanded to bring porosity to the substrate. Eliminate sanding dust. A coat of adhesion promoting primer QUELYD PRIMA should be applied prior to wallcovering installation. Allow to dry for at least 24 hours.

Old wallpapers and wallcoverings

Remove old wallpaper and colour wash using Quelyd Dissoucol Wallpaper Remover. Rinse thoroughly to get perfectly clean substrate.

PASTING THE WALL

Stir well before application.

Adhesive is READY TO USE. DO NOT DILUTE.

Using a medium pile roller or a notched trowel N°0, paste the wall generously and regularly over a surface area slightly greater than the strip width (consumption: 150-250 g/m²).

HANGING WALLCOVERING

Use a plumb line to make sure the first strip is perfectly straight. Hang the first strip. Gently slide the wallcovering until the outer edge is lined up with the starting line. Hang subsequent strips edge to edge, or overlapping, according to the manufacturer's recommendations and in the predefined order.

Using a wallpaper brush or a plastic spatula, carefully press the wallpaper from the top downwards and from the centre toward the edges, taking care to roll out air bubbles and spread out any uneven patches of paste.

Flatten the joints according to manufacturer’s instructions. Excess lengths near the ceiling and skirting board will be trimmed using a cutting blade, guided by a broad knife.

Immediately remove fresh splashes by eliminating the maximum amount of adhesive with the tip of a knife, then wipe down with a clean damp sponge (do not rub).

REMARKS

- Carefully read the hanging instructions and strictly follow the manufacturer's recommendations

- Do not start hanging wallcoverings from an outside corner

- Not suitable for use with a pasting machine

Cleaning
Hands, tools and spillages can be easily cleaned with cold water

Packaging

Presentation	Bar code	Bostik code
plastic bucket - 10 kg	3549210010517	041631
plastic bucket - 5 kg	3549210010524	041630