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BAL Rapid-Flex One 20Kg S1 GREY/WHITE ( RapidFlex) – Pallet Deals and Bulk Buy – High Performance, Flexible S1, Rapid-Setting Tile Adhesive

BAL

BAL Rapid-Flex One

High Performance, Flexible S1, Rapid-Setting Tile Adhesive

Enhanced with BAL Fibre Strand Technology (FST) for improved flexibility and strength, BAL Rapid-Flex One can be grouted after only three hours, and provides extended open time of 30 minutes and pot life of 60 minutes. Available in new white technology and S1 classification, it can be used on interior or exterior floors and walls to fix most tiles types, most natural stone, terrazzo, rigid foam insulating materials and brick slips. What’s more BAL Rapid-Flex One has a smoother consistency for easier mixing and application. Ideal for large format thin porcelain.

  • most tile types, including porcelain, natural stone, rigid foam insulating materials and brick slips
  • fixing ceramics, porcelain and vitrified tiles, mosaics, most natural stones, terrazzo, rigid foam insulating materials and brick slips in dry or wet interior and exterior environments.
  • suitable for most substrates/backgrounds, including those with limited movement/vibration and for underfloor heating
  • dry/wet / interior/exterior
  • including showers/swimming pools/total immersion
  • recommended for large format wall tiles, areas of total immersion in water e.g. swimming pools and showers.
  • heated screeds

POT LIFE AT 20°C: 60 minutes

GROUT AFTER: 3 hours

COLOURS: White

CLASSIFICATION: BS EN 12004 C2FES1

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£854.60 +VAT

£854.60 +VAT
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BAL Rapid-Flex One extended information

BAL Rapid-Flex One offers the fixer major advantages over other adhesives. A true rapid-setting adhesives, it allows for fast grouting, producing significant time savings for the tiler at no extra cost. An extended pot life of 60 minutes allows applications of adhesive to larger areas for easier tile adjustment and reduced installation time. With its working time also extended, fixers can use larger mixes reducing costs for the customer and allowing more jobs to be completed each week. Available in white, only one bag is needed whatever the installation.

Restrictions: NOT suitable for

Metal, painted, Glass/metal tiles with water-sensitive coating on back, plywood walls* and tiling to existing glazed tiles*.

*Further applications possible by adding BAL ADMIX AD1 to provide flexibility, increased adhesion and reduce water permeability. This enables use onto glazed surfaces.

BAL Rapid-Flex One PRODUCT INFORMATION

Composition: Rapid-setting highly polymer-modified cement- based powder with BAL Fibre Strand Technology (FST). Colours: White.
Type/Classification: Exceeds BS EN 12004 C2FES1 – Cementitious Adhesive with Improved / Additional Characteristics, Fast Setting, Extended Open Time and Deformable.
Pack sizes: 20kg
Key Features:

  • Extended open times of 30 minutes.
  • Extended working times of 60 minutes.
  • FST formulation for improved flexibility and strength.
  • Smoother consistency for easier mixing and application.
  • Use on walls and floors. Grout after: 3 hours (at 20°C)

BAL Rapid-Flex One Usage & Service Conditions

WallsFloor
InteriorExterior
DryWet
Worktops(1)Shower(a)(5)
Swimming Pools (b)Heated Screeds (9)(11)
Hydrotherapy Pools (b)(1)Limited Movement / Vibration (11)

(1) Tiles must be grouted using BAL EASYPOXY AG. (2) Provided the surface is sufficiently flat.
(3) Prime with undiluted BAL PRIME APD.
(4) Direct fixing in dry conditions only.

(5) In wet conditions tank out with BAL TANK-IT or BAL WATERPROOFING KIT FOR SHOWERS.

(6)  Seal back face and edges with undiluted BAL BOND SBR.

(7)  Check suitability of the grade of asphalt (flooring grade only).

(8)  Prime with BAL PRIME APD, first coat 1:1 withwater, second coat undiluted 900C to the first.

(9) Check suitability for the intended purpose with the manufacturer.

(10) When used with BAL RAPID-MAT.
(11) May be used in conjunction with BAL RAPID-MAT.
(12) When modified with BAL ADMIX AD1, Pre-diluted 1:3 with water. Not recommended for use on paint, metal or existing glazed tiles. Note:
(a) Do not use shower for at least 2 weeks after completion of grouting – BS 5385:Part 4
(b) Do not fill pool for at least 3 weeks after completion of grouting – BS 5385:Part 4 BAL Rapid Flex One is sulphate resistant.

Backgrounds / Bases

Brick/Concrete (2)
Rendering
Lightweight Blockwork (2)(3)(4)
Cement:Sand Screed (11)
Plaster (3)(5)
Plasterboard (5)
BAL BOARD/Tile
Backer/Fibre Cement
Boards (5)(9)
Glazed Ceramic Tiles / Hard Natural Stone (11)(12)
Timber Floors (10)
Overlaid Timber Floors –
15mm min. (6)(11)
Vinyl Tiles/Sheets
Mastic Asphalt (7)
Anhydrite/Calcium Sulfate Screeds (8)(11)
Plywood walls (6)(12)

BAL Rapid-Flex One usage bed thickness / at 20oC

Bed Thickness ^Open TimePot LifeSetting Time**
2- 6mm> 30 mins60 mins30 mins

** Open time/setting time will be extended in colder temperatures, when fixing to impervious backgrounds or when fixing tiles of low porosity.
^ Up to 12mm in areas of limited extent. Use minimum 3mm for floor tiling.

BAL Rapid-Flex One Coverage

AreaTrowelCoverage ^^
Dry Wall
Dry Wall
Wet Wall
Exteriors /
Floors
Mosaic
Round Notched
Thin Bed Solid Bed
Thick Bed Solid Bed
0.6m2/kg
0.5m2/kg
0.4m2/kg
0.26m2/kg

^^ May vary dependent on nature and flatness of surface, and on trowel used.

BAL Rapid Flex-One temperature resistance ***

-30oC to 100oC

*** Cured adhesive.

SURFACE PREPARATION

General

Ensure surfaces to be tiled are flat, clean, dry, sound and free from contamination.

Surface regularity:

Surface Regularity is defined as the deviation in height of the surface of a flooring layer over short distances in a local area. In simpler terms, it is the ‘flatness’ or ‘measure of unevenness of the screeded surface.

ClassMAXIMUM PERMISSABLE DEVIATION FROM a 2M
STRAIGHT EDGE (MM)
APPLICATION
SR13mmRecommended for direct fixing of tiles and slabs with a tile adhesive
SR25mmFor tiles & slabs bedded in a cement: sand mortar or a suitable tile adhesive (see the manufacturer's recommendations)
SR310mmFor tiles & slabs bedded in a cement:sand semi-dry mix.

In shower areas: waterproof background with BAL TANK-IT, BAL WATERPROOFING KIT FOR SHOWERS or BAL WP1 TANKING SYSTEM.

SUITABLE SURFACES include:

Asphalt (suitable grade e.g. flooring)

Must be of a suitable grade, be clean, in sound condition (without brittleness, softening. etc.) and have adequate cohesive strength, a natural float finish and laid on a firm rigid base.
Ensure that surface is sufficiently regular to suit bedding depths of adhesive.
Clean thoroughly to remove surface dirt using warm water and a suitable detergent. Remove all detergent residues with clean water.

Concrete; cement:sand screeds and rendering
Before tiling, ensure that the substrate is flat (SR1), free from efflorescence, laitance, dirt, polished concrete and other loose materials. Remove by the use of suitable mechanical methods (see BAL TECHNICAL DATA SHEET on BAL BOND SBR or BAL PRIME APD for priming information).
Allow the following minimum drying times:
– Concrete/concrete block walls/clay brickwork: 6 weeks – Cement:sand screed: 3 weeks*
– Cement:sand rendering: 2 weeks (3 weeks for swimming pools)
*If BAL Rapid-mat is used, this may be fixed when the screed I

sufficiently strong enough to receive foot traffic

BAL QUICKSET CEMENT:sand screeds and rendering

– Bonded screeds: 4 hours**

– Unbonded/floating screeds: 48 hours

– Rendering (bonded): 4 hours**

BAL BOND SBR SLURRY

**1 part sand to 1 part BAL QUICKSET CEMENT by weight, mixed with appropriate amount of BAL BOND SBR pre-diluted

1:1 with clean cold water to achieve desired consistency.

BAL QUICKSET RENDER: 2 hours

Dense concrete/blockwork walling

Allow new block mortar to dry for minimum 6 weeks before rendering /plastering. If direct fixing tiles, wall must be smooth-faced and sufficiently flat (SR1).

Overlaid timber floors (min. 15mm)
Ensure timber floor (i) is sufficiently rigid and stable to receive tiles; (ii) can carry the additional static and dynamic load without excessive deflection; and (iii) has adequate ventilation under the timber.
Overlay existing timber floor with e.g. a suitable water resistant grade e.g marine plywood, min. 15mm thick, screwed (not nailed) at 300mm centres.
Seal timber surface on the underside and edges with undiluted BAL BOND SBR. Allow to dry. NOTE: Timber is not a suitable base for floor tiling in wet, frequently damp, or high humidity areas, unless appropriate precautions are taken (see BS 5385-4). BS 5385 -3: 2014

Tongued and grooved floorboards with BAL RAPID-MAT

Ensure boards are flat (SR1) dry, rigid and securely fixed (screwed to joints at 300mm centres, including any cross-noggings, if necessary). Sand (abrade) surface and ensure any surface coatings removed, e.g. varnish, lacquers, etc.

Before priming with 2 coats of (second coat applied at 900 to the first):

  • BAL PRIME APD (undiluted) or
  • BAL BOND SBR (diluted 1:2 by volume with clean water) Allow each coat of primer to dry.

If necessary the floor may require levelling using BAL LEVEL MAX and allow to dry before installing BAL RAPID-MAT. See BAL TECHNICAL DATA SHEET for further information on suitable surfaces and application.

Anhydrite/calcium sulfate and hemi-hydrate screed

Allow the screed to dry out in accordance with manufacturer’s instruction example: moisture contact below 0.5% w/w or 75% RH (Relative Humidity). Mechanically remove top surface to remove weak/dusty surface layer(s) as per the screed manufacturer’s recommendations. Remove all dust and loose material e.g. by vacuum etc. before priming with 2 coats of (second coat applied at 900 to the first):

  • BAL PRIME APD diluted 1:1 with clean water and second coat undiluted or
  • BAL BOND SBR diluted 1:4 with clean water and second coat diluted 1:2 with clean water.

Allow each coat of primer to dry.
NOTE: For further information on other backgrounds and preparation, contact BAL TECHNICAL ADVISORY AND SPECIFICATION SERVICE.

Plaster (finish coat only)

Must be at least 4 weeks old before tiling. Ensure that the plaster is free from dust, laitance and friable material.
If plaster is shiny or polished, brush thoroughly with a stiff bristled brush.
The plaster must always be primed with 2 coats of (second coat applied at 900 to the first):

  • BAL PRIME APD (undiluted) or
  • BAL BOND SBR (diluted 1:2 by volume with clean water) Allow each coat of primer to dry.

Weight restrictions for tiling onto plaster i.e. a maximum weight of 20kg/m2.

Plasterboard (If required)

Ensure boards are dry, securely fixed and rigid and suitable thickness used.
NOTE if the plasterboard are dot and dabbed at 300mm centres and around the perimeter, leave to dry before fixing tiles.

Weight restrictions for tiling onto plaster i.e. a maximum weight of 32kg/m2.

Lightweight blockwork/walling

Allow new block mortar to dry for minimum 6 weeks before rendering /plastering. If direct fixing tiles, wall must be smooth-faced and sufficiently flat (SR1) before priming with 2 coats of (second coat applied at 900 to the first):

  • BAL PRIME APD diluted 1:1 with clean water and second coat undiluted or
  • BAL BOND SBR diluted 1:4 with clean water and second coat diluted 1:2 with clean water.

Allow each coat of primer to dry.
NOTE: Only suitable for internal dry environments unless rendered.

Existing unglazed ceramic tiles, quarry tiles, terrazzo and natural stone

For wall ensure existing tiles/stone are soundly bonded to a stable background that is sufficiently strong enough to support the weight of the new tiling.
For floors ensure that the existing finish is firmly adhered to the base.
If areas are loose or hollow-sounding, remove and make good with BAL QUICKSET RENDER or 1:3 cement:sand mortar over a slurry bonding coat (1 part sand to 1 part cement by weight, mixed with appropriate amount of BAL BOND SBR pre-diluted 1:1 with clean cold water to achieve desired consistency).
N.B. Suitable for existing glazed tiles/brickwork when adhesive has been modified with BAL ADMIX AD1 (pre-diluted 1:3 by volume with clean cold water).

Existing vinyl tiles

Ensure these are in good sound condition and securely bonded to their base.
Remove loose or damaged tiles/areas of sheet along with any loose or soft adhesive.

Remove any polishes, wax, grease etc. with a suitable proprietary cleaner.
NOTE: Cushioned types of flooring are not suitable and must be completely removed along with the adhesive residue prior to tiling.

Fibre reinforced cement boards and lightweight tile backer boards

Install boards to BS 5385 – i.e. moisture-resistant boards such as BAL BOARD and screwed to seasoned timber or suitable proprietary framework at maximum 300mm centres vertically and horizontally or as per the board manufacturer’s recommendations (see BAL TECHNICAL DATA SHEET on BAL BOARD for further information).

Ensure no fixings protrude.
Some boards may require priming, prior to tiling with a cementitious based tile adhesive. Use a suitable primer from the BAL range. Please refer to the relevant BAL Technical Data Sheets for further information.

IMPORTANT NOTE: Obtain manufacturer’s confirmation that boards are suitable for the tiling application and for relevant fixing instructions.

Plywood walls (internal dry areas only)

Suitable when adhesive has been modified with BAL ADMIX AD1 (pre-diluted 1:3 by volume with clean cold water).Ensure boards (i) capable of supporting the tiled finish i.e. the weight of tiling should not exceed 30kg per m2 ; (ii) are sufficiently dry, rigid and securely fixed, with no protruding fixings (iii) are free from any surface contamination incompatible with adhesion. Using a suitable water resistant grade plywood, min. 12mm thick, Insert noggings to support all board edges and to allow screw (not nailed) fixing at 300mm centres. Seal timber surface on the underside and edges with undiluted BAL BOND SBR. Allow to dry.

Do NOT prime surfaces to be tiled.

Undertile electrical heating systems

Can be used onto electrical undertile heating systems encased within an appropriate BAL leveller. Over suitable boards/exterior grade plywood overlays (minimum 15mm thickness) use BAL LEVEL MAX.

BAL LEVELLERTHICKNESS*SETTING TIME
BAL LEVEL MAX2mm – 80mm3 – 4 hours
BAL ACRYBASEUp to 20mm3 – 4 hours

** BAL TECHNICAL DATA SHEET for further information on suitable surfaces and application.*Up to 80mm in localised areas only. Thick layers must also be tiled within 48 hours.

Heated Screeds

Suitable for sand/cement screeds with water fed underfloor heating encased within.
NOTE: For further information on other backgrounds and preparation, contact BAL TECHNICAL ADVISORY AND SPECIFICATION SERVICE.

BAL RAPID-MAT

Uncoupling matting for fast track tiling onto problematic floors – Protecting floor tiling against reflective cracks, fractures and other damage caused by stresses and lateral movement in the substrate.

  • Suitable for most problematic floor substrates including timber floors, new screeds and floors with under-tile heating systems.
  • Suitable for most tile types including natural stone and mosaics.

See BAL TECHNICAL DATA SHEET for further information on suitable surfaces and application.

MIXING

Use a BAL MIXING BUCKET or other suitable bucket.

  1. Add approximately 4 to 5 parts powder to 1 part clean cold water by weight. (see table below)
  2. Mix until lump-free mortar achieved.
  3. Allow mixed adhesive to stand for 2 minutes before re- mixing for 30 seconds.
Product SizeUsageApprox., clean cold water required per size
20kgWall Tiling3.6 – 4.0 litres
20kgFloor Tiling5.0 litres

APPLICATION/USAGE

Do NOT use in temperatures below 5°C or in damp conditions.

Trowel recommendations:

AreaTrowel
Internal Dry Wall Area (up to 300x300mm tiles)ROUND NOTCHED
Internal Wet Wall Area (up to 300x300mm tiles)THIN BED SOLID BED
External Walls and FloorsTHICK BED SOLID BED
Mosaics (up to 100x100mm tiles) including when used with BAL RAPID-MAT)MOSAIC TROWEL

NOTE: ensure you achieve the correct contact of adhesive to both the background and tile in line with BS 5385, Parts 1-5

BAL Rapid-Flex One Fixing procedure

  1. Apply adhesive to wall or floor surface and comb to required bed thickness ensuring the ribs of adhesive all run in one direction. The adhesive may be applied in a bed thickness of 2 – 6mm or up to 12mm in limited, localised areas.If fixing large/heavily-patterned tiles, apply additional adhesive to tile reverse.
  2. For mosaics: using a rubber tile float, press mosaics into adhesive and beat into required position. For tiles: press tile firmly into the ribs of the adhesive and into position, with slight twisting/sliding action to ensure optimum adhesive contact.
  3. Fix mosaics/tiles before adhesive forms skin (typically over 30 minutes at 20°C, depending on surface porosity /atmospheric conditions). If skin has formed, remove adhesive and apply fresh layer). Discard any adhesive that has begun to set. Do not add further water.
  4. Occasionally lift a mosaic/tile to check adhesive contact area. When solid-bed fixing, leave no voids behind tiles.
  5. Leave adequate joints between individual tiles. Install movement joints to BS 5385, Parts 1-5.
  6. Clean off surplus adhesive from tile face and between tile joints before the adhesive has dried.

Grouting

  1. Wait minimum 3 hours (at 20°C) after tile fixing. Select a BAL cementitious or Epoxy grout such as BAL MICROMAX2 GROUT or BAL EASYPOXY AG GROUT. If using paper-faced mosaics: Pre-grout sheet and remove surplus. Place in position and tap down to achieve full contact with adhesive. Ensure joints between sheets match joints between mosaic tesserae (i.e. staggered). Wet paper and carefully remove before adhesive fully hardens. Clean off surplus adhesive and grout from mosaic face. Finish grouting.
  2. Fill movement joints with suitable sealant i.e. BAL MICROMAX SILICONE SEALANT. However, do NOT use on sensitive surfaces that could react to acetic acids released during cure. For intermediate movement joints, a more durable hard wearing material may be needed e.g. an Epoxy polysulphide sealant or a suitable pre-formed movement joint strip. NOTE:
    If completing a swimming pool, do NOT fill pool for at least 3 weeks after grouting (contact BAL TECHNICAL ADVISORY AND SPECIFICATION SERVICE for further advice).
    If completing a shower, do NOT use shower for at least 2 weeks (as required by BS 5385: Part 4, clause 7.2.1).

BAL Rapid-Flex One technical video

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