Last updated: December 26, 2013
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RLA 7 is a premium grade, smooth, polymer modified, flexible off white cement based tile adhesive.

RLA 7 is a premium grade, smooth, polymer modified, flexible off white cement based tile

ž RLA 7 is a premium grade, smooth, polymer modified, flexible off white cement based tile
ž RLA 7 is non slump and is designed for bonding all types of ceramic, stone, and mosaic tiles with
the exception of light coloured and Green marble, onto a variety of substrates like concrete,
rendered brickwork, block work, plasterboard, fibre cement, and particle board.
ž It can be used internally or externally on wall and floor substrates.
ž RLA 7 can be used to fix low porosity ties, and over most waterproofing membranes. It is fast
setting and can be grouted 6-8 hours after completion of tiling @ 20oc.
ž Ensure that all surfaces are sound dry and free from excessive movement, oil dust, grease, wax,
curing compounds, release agents, paints and any other loose contaminating material.
ž It is recommended that all surfaces be primed with Uniprime, especially porous surfaces, to
ensure a sound bond of the adhesive to the substrate.
ž Allow the primer to dry for approximately 30-40 minutes at 20oc prior to commencing tiling.
Expansion/ Movement Joints:
ž Expansion/ Movement joints must be provided to allow for movement between adjacent building
components. They should be as follows:
ž Over existing joints in the substrate, where two different substrates meet e.g. Plasterboard and
fibre cement sheet, at internal vertical corners.
ž On wall surfaces at storey heights horizontally and approx. 3m-4.5m apart vertically.
ž Movement joints should go right through the tile adhesive bed to the background and kept free
from dirt and adhesive droppings. Movement joints must not be less than 6 mm and not wider
than 10 mm. The movement joints must be filled with a flexible sealant like Silicone.
ž The mixing ratio of RLA 7 is 20kg of powder to 6 litres of water.
ž Pour the water into a clean drum and then gradually add the RLA-7 while mixing continuously
until a smooth lump free mix is obtained. Always add powder to liquid.
ž Allow the mix to stand for 10 minutes, re-stir and then apply the adhesive onto the substrate.
ž RLA 7 should be applied onto the substrate at 1m2 at a time. Application areas greater than this
can result in the adhesive skinning before the tiles are laid into it.
ž Use a 10mm square notched trowel for floor tiles and a 6mm square notched trowel for mosaic
ž Once the adhesive is applied onto the substrate ensure that it does not skin prior to bedding the
tiles into it. Once the adhesive skins do not lay tiles into it, but remove it and apply fresh
ž When placing the tiles into the adhesive press them in by using a twisting or sliding motion.
Ensure no voids occur and full coverage of adhesive is under the tiles.
ž Once the tiling is complete do not disturb the tiled surface for at least 24 hours at 200c.

Clean up:
ž Excess adhesive from the face of the tiles can be cleaned up with damp cloth while the adhesive
is still wet.
ž Adhesive that has oozed out into the grout joint must be racked out with a knife/spatula etc.
ž Tools and other equipment can be cleaned up using water while the adhesive is still wet.
ž A 20kg bag of RLA-7 will cover approximately 7m2 using a 10mm trowel.
Grouting Application:
ž Grouting application can commence 6-8 hours after the completion of tiling.
ž Use either RLA Grout or Smooth Grout on the walls and either RLA Grout or Coarse Grout in
combination with Grout Add, or Flexi-groutTM Liquid premix on the floors.
Packaging/ Shelf Life:
ž Available in: 20 kg bags
ž When stored in a cool, dry environment, and above ground level, will have a shelf life of
approximately 12 months.
Handy Tips:
ž RLA-7 can’t be used for fixing tiles directly onto timber floors.
ž RLA-7 being cement based is alkaline in nature, and therefore may cause dermatitis.
ž RLA-7 is classified as a non-hazardous product.
ž For a full MSDS on this product please contact your nearest RLA office.

Source:  RLA 7

215 Colchester Road, Kilsyth
Victoria 3137, Australia

PO Box 147, Kilsyth
Victoria 3137, Australia

Telephone (03) 9728 1644
Facsimile (03) 9728 6009

25 Computer Road, Yatala
Queensland 4207, Australia

Telephone (07) 3807 4022
Facsimile (07) 3807 4755

New South Wales
138 Hassall Street, Wetherill Park
New South Wales 2164, Australia

Telephone (02) 9609 4755
Facsimile (02) 9604 3199

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