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Laticrete Rapid Latex Additive

LATICRETE® 4237 Rapid Latex Additive

Regular price $358.55

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For installing all types of tile, stone and agglomerates. Also for use with Portland cement to make slurry bond coats for mortar beds and for use with thin-set adhesives to give improved performance.

Laticrete Rapid Latex Additive

PRODUCT NAME
4237 Latex Additive

PRODUCT DESCRIPTION
4237 Latex Additive is a specially designed latex additive for use with 211 Crete Filler Powder to make a high-strength latex thin bed and medium bed adhesive up to 15 mm. For
installing all types of tile, stone and agglomerates.
Also for use with Portland cement to make slurry bond coats for mortar beds and for use with thin-set adhesives to give improved performance and longer open time. To achieve a longer open time under tropical or desert conditions, the use of LATICRETE Thin-Set
Adhesive (315 Super Floor & Wall Thin-Set Adhesive) is recommended instead of 211 Crete Filler Powder.

Uses
Used for installation of all types of ceramic tile, brick, natural stone and agglomerates. 4237 Latex Additive offers the speed and economy of adhesives with the permanent, water resistant dependability of Portland cement. Can also be mixed with PERMACOLOR® Grout to make coloured adhesive for the installation of paper face mounted glass mosaic tiles.

Advantages
Superior bond strength.
Flexible and shock resistant; rated for extra heavy traffic conditions.
Weather and frost resistant for interior and exterior use in all types of climates.
Proven performance; used in all types of applications for over 60 years.
Safe, economical and easy to use; non-hazardous, non-flammable.

Suitable Substrates
Concrete
Cement terrazzo
Brick masonry
Cement plaster
Concrete masonry
Cement backer board*
Cement mortar beds
Ceramic tile and stone
Gypsum wallboard (interior only)
Consult cement backer board manufacturer for specific installation recommendations and to verify acceptability for exterior use

Packaging
19 litre pail; 32 pails per pallet
5 liter jerrycan; 3 jerrycans per carton

Approximate Coverage
Per 19 litre pail of 4237 Latex Additive when mixed with 75 kg of 211 Crete Filler Powder 25 – 30 m2
using a 6 mm x 6 mm square notched trowel 18 – 23 m2
using a 6 mm x 9 mm square notched trowel Shelf Life
Factory sealed containers of this product are guaranteed to be of first quality for five (5) years if stored indoors and off the ground at temperatures >0°C and <43°C.

Limitations
Use LATAPOXY®300 Adhesive for installing green marble or water sensitive natural stone and agglomerates.
Use a white thin set adhesive when installing white or light coloured natural stone.
Adhesives/mastics, mortars and grouts for ceramic tile, pavers, brick and stone are not replacements for waterproof membranes. When a waterproofing membrane is required, use a LATICRETE Waterproofing Membrane.
Note: Surfaces must be structurally sound, s table and rigid enough to support ceramic/stone tile, thin brick and similar finishes. Substrate deflection under all live, dead and impact loads, including concentrated loads, must not exceed L/360 for thin bed ceramic tile/brick installations or L/480 for thin bed stone installations where L=span length.

Cautions
During cold weather, protect finished work from traffic until fully cured.
Wait 14 days after the final grouting before filing water features with water at21°C.
Keep out of reach of children.
DS-1079-0117
Data Sheets are subject to change without notice. For latest revision, please call us on 02 8712 8494 or email us at sales@stoneandtileprojects.com.au

TECHNICAL DATA
When mixed with 211 Crete Filler Powder, meets and exceeds the requirements of AS ISO13007-2013 as a C2S1 adhesive.

VOC
Green Building Council of Australia Green Star Office Design V3 IEQ-13
37 grams/litre as VOC content per coating

Working Properties
4237 Latex Additive mixed with 211 Crete Filler Powder at 21°C
Open Time 20 minutes
Pot Life 5 hours
Time to Heavy Traffic 24 hours
Average Wet Density 1700 kg/m3
Specifications subject to change without notification. Results shown are typical but reflect test procedures used. Actual field performance will depend on installation methods and site conditions.

INSTALLATION
Unless otherwise noted in this document all work shall be in accordance to AS3958.1&2

Surface Preparation
All surfaces should be between 4°C and 32°C and structurally sound, clean and free of all dirt, oil, grease, loose peeling paint, concrete sealers or curing compounds. Rough or uneven concrete surfaces should be made smooth with LATICRETE Latex Portland Cement underlayment to provide a wood float (or better) finish. Dry, dusty concrete slabs or masonry should be dampened and excess water swept off. Installation may be made on a damp surface.
Note:Latex Portland Cement Mortars do not require a minimum cure time for concrete slabs. All slabs must be plumb and true to within 5 mm in 3 m for thin-set installations.
Expansion joints shall be provided through the tile work from all construction or expansion joints in the substrate. Follow the Australian Standards requirements for Expansion Joints in AS3958.1 Section 5.4.5 and AS3958.2 Section 4.5 or TCNA detail EJ-171 “Movement Joints – Vertical & Horizontal”. Do not cover expansion joints with adhesive.

Mixing
Stir 4237 Latex Additive thoroughly before use.
Use approximately 4.8 to 5.5 litres of 4237 Latex Additive to 20 kg of 211 Crete Filler Powder, or approximately 5 to 5.4 litres of 4237 Latex Admix to 20kg of 315 Super Floor & Wall Adhesive. Place 4237 Latex Additive in a clean plastic pail. Do not dilute.
Add 211 Crete Filler Powder to 4237 Latex Additive and mix to a smooth, trowelable consistency. Allow adhesive to slake for 5 – 10 minutes. Adjust consistency if necessary. Remix and apply with the proper sized notched trowel.
Note: For the installation of paper-face mounted glass mosaic tile, mix approximately 2.5 litres of 4237 Latex Additive with 10 kg of PERMACOLOR® Grout.

Application
Apply adhesive to the substrate with the flat side of the trowel, pressing firmly to work into surface. Comb on additional adhesive with the notched side.
Note: Use the proper sized notched trowel to insure full bedding of the tile. It is essential that enough adhesive is used to completely cover the back of the tile with a minimum 2 mm to 3 mm uniform thickness. Spread as much adhesive as can be covered with tile in 15 – 20 minutes. Back butter large tiles >200 mm x 200 mm to provide full bedding and firm support. Place tiles into wet, sticky adhesive and beat in using a beating block and rubber mallet to imbed tile and adjust level.
Check adhesive for complete coverage by periodically removing a tile and inspecting bedding adhesive transfer onto back of tile.

Cleaning
Clean tools and tile work with water while adhesive is fresh.

MAINTENANCE
LATICRETE and LATAPOXY grouts require routine cleaning with a neutral pH soap and water. All other LATICRETE and LATAPOXY materials require no maintenance but installation performance and durability may depend on properly maintaining products supplied by other manufacturers.

Delivery

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We work with the best delivery services available to ensure your products are safe and arrive at destination in the best condition.  

You can choose your delivery options at checkout. The cost will depend on your location and weight of the package. 

Your orders will arrive approximately 1 to 2 weeks from placing your order. This time frame could be altered based on your location and weight of your package.

If you have any questions about delivery please contact us.

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