NX Rapid Set Flexible S1 Wall & Floor Tile Adhesive WHITE or GREY – Pallet Deals and Bulk Buy

NX Rapid Set Flexible S1 Wall & Floor Tile Adhesive

COVERAGE: On true surfaces with small tiles <200 x 200mm on walls approx. 2.75kg per m2 and on floors approx. 3.3kg per m2. With larger tiles >330 x 330mm on walls approx. 3.3kg per m2 and on floors approx. 4kg per m2.

Specifications

Classification: BS EN 12004 C2FTE-S1

Pot Life @ 20°C: Up to 60 minutes

Thickness: 2-10mm (12mm in isolated areas)

Approximate Coverage: Walls: Approx 3Kg/m2 . Floors: Approx 4Kg/m2

Suitable Trowels: Walls: Dry areas: 6mm round notches. Wet Areas: 10mm tapering notches . Mosaics: 4mm square notches . Floors: 20mm round notches

Suitability

• Concrete/Cement: Sand Screed
• Cement: Sand Render
• Anhydrite & Hemihydrite (Gypsum Screeds)
• Heated Floors (Dense Construction)
• Thermoplastic Floor Tile/Vinyl Sheet
• Asphalt (Internal Only)
• Gypsum Plasterboard**
• Gypsum Plaster**
• Glazed Surfaces
• Plywood Overlay on Existing Timber Floors (Water & Boil Proof WBP Grade) Internal Tiling Only

**Must be sealed with NX Multi-Purpose Primer before tiling

NX Rapid Set Flexible S1 Wall & Floor Tile Adhesive SURFACE PREPARATION

All surfaces should be dry, clean and strong enough to support the tiles to be fixed. Tiling substrates should be true and flat to permit fixing without visible lipping of tile edges. On floors, any gaps exceeding 3mm under a 2 metre straight edge should be corrected using NX 3-50mm Levelling Compound. This will be particularly appropriate where larger tiles or those with rectified edges are being installed. Porous or dusty surfaces must be sealed using NX Multi-Purpose Primer diluted 1:4 with water.

Concrete/Cement: Sand Screed

New concrete floors must be allowed to dry for a minimum of 6 weeks. Residual traces of laitance and curing agents should be mechanically removed before tiling commences. Screeds should be a minimum of 21 days old.

Cement: Sand Render

Must be at least 14 days old. New render should not be applied to new masonry walls until 6 weeks after the brick or blockwork has been completed. This allows for drying shrinkage to have taken place. In cold conditions these times will be extended.

Anhydrite & Hemihydrite (Gypsum) Screeds

These must be cured to their respective manufacturers’ directions before tiling can begin. The surface must be free from laitance and primed using progressively stronger coats of NX Multi-Purpose Primer as follows: Diluted 1: 4 parts water. Allow to dry. Diluted 1: 3 parts water. Allow to dry. Diluted 1: 2 parts. Allow to dry.

Heated Floors (Dense Construction)

NX Rapid Flexible S1 Wall & Floor Tile Adhesive is suitable for use with underfloor and undertile heating systems. On solid floor structures after tiling, the floors should not be switched on for at least 14 days and then brought up to operating temperature gradually during the initial heating of the floor. Undertile heating cables and mats can be tiled directly or prior to tiling they can be bedded into a screed of NX 3-50mm Levelling Compound. This method prevents damage to the heating elements during the laying process.

Thermoplastics

If well stuck down and in good condition these should be degreased and sealed with neat NX Multi-Purpose Primer.

Asphalt (internal only)

Flooring grade asphalt can be tiled directly with NX Rapid Flexible S1 Wall & Floor Tile Adhesive providing it is in good condition, clean and able to support the tiling.

Gypsum Plasterboard**

Seal with NX Multi-Purpose Primer prior to tiling.

Gypsum Plaster**

Must be sealed with NX Multi-Purpose Primer before tiling. If finishing plaster is polished, rub down to form a key before priming.

**In wet areas or those of intermittent wetting such as shower areas, moisture sensitive backgrounds such as plaster should be waterproofed using a suitable waterproofing membrane.

Glazed Surfaces

These must be well fixed and able to support the additional weight of tiling, clean, dry and free from grease. The old glazed surface must be thoroughly degreased, and a slurry bonding coat made of 1 part NX Multi-Purpose Primer: 2 parts NX Rapid Flexible S1 Wall & Floor Tile Adhesive, which should be brushed onto the surface and allowed to dry. This will provide a key onto which the adhesive layer can bond.

Plywood Overlay On Existing Timber Floors (WBP/Marine grade)**

All sheets should be a minimum of 15-18mm thick and be screwed down to existing boards and joists with staggered joints at 300mm centres and 150mm centres along board edges. The sheets must be sealed on the back, face and edges with NX Multi- Purpose Primer. All timber constructions must be adequately ventilated behind to prevent atmospheric moisture distortion and warpage of the boards themselves.

MIXING

Into a clean pail add 1 part of cold water and gradually introduce approximately 3.5 parts of adhesive powder stirring to blend the mixed mortar to a smooth lump free consistency. The properly mixed mortar will be thick enough to hold the adhesive ribs without slumping. Mix only enough material that can be used within the pot life of the product which will be around 60 minutes – this will be extended in cold conditions and reduced in hot weather/ warm temperatures.

NX Rapid Set Flexible S1 Wall & Floor Tile Adhesive APPLICATION

Using a suitably notched trowel spread the adhesive onto the fixing surface to form parallel ribs into which the tiles should be applied with a firm twisting action. Spread only enough material that remains workable and as such fully wets out on the tile backing. Solid-bed void-free fixing will be necessary on floors and in wet areas. Tile with deeply keyed back profiles may need to be back buttered. The adhesive is designed for thin bed fixing up to 10mm although in isolated areas it can be bedded out up to 12mm in thickness. Tiles may be grouted as soon as the adhesive bed is set. Under normal conditions this will be around 6 hours after fixing although this will be extended in cold conditions. Do not use below 5°C.

STORAGE

Store in dry internal conditions away from direct sunlight between 5-35°C. The product has a 12 month shelf life from date of manufacture.