Laticrete 335 Super-Flex adhesive is a high performance polymer fortified cementitious powder to be mixed with water to install low absorption ceramic, porcelain & vitrified tiles including natural stone using the thin-set method of installation.UsesFor use in interior, exterior & fully immersed applicationsSuitable for use in wet & dry areas including kitchens, bathrooms, wet-rooms.Fixes ceramic, stone & porcelain tiles to all substrate types including impermeable surfaces, WBP exterior glued plywood and heated sub-floors Ideal for use in applications where a long open time is preferred.The long open time and high grab properties of this adhesive are optimised for fixing all tiles including porcelain and glass.AdvantagesMixes to a smooth and creamy paste.Easy to apply with all trowel sizes.For interior & exterior fixing.Extended open time.Conforms to EN 12004 C2TE-S1.Water & heat resistant.Suitable for fully immersed tilingSuitable SubstratesCement floor screedConcrete block & RenderCeramic tile & stoneHeated sub-floorsMasonry and brickGypsum & AnhydriteTile backer board*Gypsum plasterboardExterior glue WBP Plywood****Consult cement backer board manufacturer for specific installation recommendations and to verify acceptability for exterior use. ** Sealed with 2 coats of NXT Primer *** Interior onlyPackaging 20 kg bag Colors Grey & WhiteApproximate CoveragePer 20 kg bag mixed with 5 litres of water:6 mm x 6 mm notched trowel 6.6 – 8.0 sq./m6 mm x 9 mm notched trowel 5.0 – 5.9 sq./m12 mm x 12 mm notched trowel 3.3 – 4.0 sq./mShelf LifeFactory sealed sacks of this product are guaranteed to be of first quality for one (1) year* if stored off the ground in a dry area.* High humidity will reduce the shelf life of bagged product.LimitationsMastics, adhesive mortars and pointing mortars for ceramic & stone tiles are not replacements for waterproofing membranes or air and water barriers. When a waterproofing membrane or air and water barriers is required, use Laticrete Hydroban Air & Water Barrier.Use the white version of Laticrete 335 mortar for installing white or light coloured marble or stone.Not for use over hardwood or strip wood flooring, particle board carpet adhesive, vinyl tile cutback adhesive or plastic laminates.Do not apply directly over expansion/movement joints or structural movement cracks.Note: Surfaces must be structurally sound, stable and rigid enough to support ceramic/stone tile, thin brick and similar finishes. Use Latapoxy 300 Adhesive for installing green marble, Resin backed, or moisture sensitive tile, stone and agglomeratesNote: 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 Consult MSDS for more safety information.Some marbles and other stone have low flexural strength and might not be suitable for exterior installations, check with tile manufacturer for suitability.During cold weather, protect finished work from traffic until fully cured.Contains portland cement and silica sand. May irritate eyes and skin. Avoid contact with eyes or prolonged contact with skin. In case of contact, flush thoroughly with water. DO NOT take internally. Silica sand may cause cancer or serious lung problems. Avoid breathing dust. Wear a respirator in dusty areas.For white and light-coloured stone, conduct test area to ensure no shadowing or staining is observed.Keep out of reach of children.Applicable StandardEN 12004 C2TE-S1Working PropertiesPot Life 4 hoursWet Density 1.7 gm/cm3Specifications 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.InstallationSurface PreparationThe substrate must be clean, firm and free of dust, dirt, oil, grease and loose flaking coatings. They must also be structurally sound and strong enough to support the weight of the tiles being fixed. Worn or porous masonry surfaces should be sealed with NXT Primer diluted as 1 to 3 with water. Do not apply onto bare, un-sealed gypsum plaster or anhydrite floor screed before first sealing this type of surface with two coats of neat NXT Primer.New concrete slabs shall be damp cured and 28 days old before application. All slabs must be plumb and true to within 6 mm in 3 m. Movement joints shall be provided through the tile work from all existing construction or expansion joints in the substrate. Follow BS 5385–5:2009 section 8 for the design & installation of movement joints within the tiled area. Do not cover movement joints with mortar. Minimum construction for interior plywood floors:SUBFLOOR: minimum 15 mm thick (WBP) exterior glue plywood, either plain with all sheet edges blocked or tongue and groove, over bridged joints spaced no more than 400 mm maximum. Screw fix plywood at 150 mm centres along sheet ends and 200 mm centres along intermediate supports with coated or hot galvanized screws; allow 3 mm between sheet ends and 6 mm between sheet edges at the perimeter; all sheet ends must be supported by a framing member; glue sheets to joints with construction adhesive.UNDERLAYMENT: WBP 15 mm thick exterior glue plywood fastened at 150 mm centres along sheet ends and 200 mm centres in the panel field (both directions) with coated or hot galvanized screws; allow 3 mm to 6 mm between sheets and 6 mm between sheet edges and any abutting surfaces; offset underlayment joints from joints in subfloor and stagger joints between sheet ends; glue underlayment to subfloor with construction adhesive. Refer to Technical Data Sheet 152 Bonding Ceramic Tile, Stone or Brick Over Wood Floors.Mixing – (20 kg) bag Place approximately 5.0 litres of clean water in a pail and slowly add the entire bag of 335 Super Flex. Mix with slow speed mixer for one minute or until a creamy smooth consistency is reached. Allow to stand for 5 minutes, remix and use. The consistency of the paste can be adjusted with slight additions of water or powder at the initial mixing stage however part-used adhesive should never be “freshened up” with later water additions. The mixed paste will remain useable for about 4 hours and should not be applied in temperatures below 5 degree celcius. In ideal conditions 20 degree celcius, this thin-bed adhesive will set after about 12 to 16 hours.ApplicationFor fixing ceramic tiles or mosaics, use a notched trowel to give a ribbed mortar bed on the substrate of no more than 6mm, into which the tiles are firmly bedded with a twist and slide action to ensure full contact.Note: Use an appropriately sized notched trowel to ensure full bedding of the tile. Spread as much mortar as can be covered with tile in 20–30 minutes. Use a 6mm x 6mm notch at 10mm centres for general wall tiling and 12mm x 12mm notch at 16mm centres for floor tiling. The position of the tiles can be adjusted up to 10 minutes after initial fixing.Open time of the exposed mortar bed is up to 30 minutes, depending on surface porosity and site conditions. It is recommended that large format tiles (>300mm x 300mm) or those with raised or studded back profiles, (or in situations where dampness is likely after tiling), should be back-buttered to ensure a full solid bed fixing.Surfaces that are rough or uneven may first be levelled with NXT Level floor smoothing compound and when sufficiently firm (24 – 48 hours later), can then be followed by an application of Laticrete 335 Super Flex adhesive with a final average bed depth of 2 to 3mm thickness. Maximum recommended bed depth is 6mm.Note: Use proper sized notched trowel to ensure full bedding of the tile. Spread only enough mortar that can be covered with tile within 15–20 minutes. Check mortar for complete coverage by periodically removing a tile and inspecting the transfer onto

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