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Everbuild Opti-Mix 3-in-1 Render Additive – 1 Litre

Home Shop Building Supplies Everbuild Opti-Mix 3-in-1 Render Additive – 1 Litre
£8.99 incl VAT.
£7.49 excl VAT.
In Stock

Total Price
£8.99 Incl VAT.
£7.49 Excl VAT.

Opti-Mix 3-in1 render designed specifically for use with renders, giving increased retarding properties with additional waterproofing, plasticising and salt inhibiting capability. Controlled dosage for a consistent mix in an easy to use design with zero waste.

This is a highly concentrated render additive which is 25 times the strength of conventional render additives. Everbuild opti-mix 3-in-1 render
additive triple action formula acts as a water proofer, air entraining plasticiser and open time extender which eliminates the need for separate waterproofing/plasticizing admixtures.


▪ Pool and tank linings
▪ Concrete, mortars and screeds.
▪ External renders.
▪ External pointing.
▪ Structures below ground level.


Application instructions:

Shake bottle well before use. Push the lid downwards
and twist anti-clockwise to remove. Squeeze the sides
of the bottle to fill the measuring cup to the required
dose (20-40ml per 50kg of cement).
ADDITIVE to a bucket of water and stir/mix well (use
up to a maximum 10ltrs of water). Dry mix all other ingredients and add sufficient quantities of water/Optimix 3 in 1 solution until the desired consistency is
achieved. Never add this product directly to the dry
mix, always let down into a portion of gauging water.
Replace cap after use.



Everbuild is the UK's leading sealant, adhesive and building chemicals brand that has a trusted name amongst the trade and DIY enthusiasts. From simple house fixes to more complex projects, Everbuild's range will be there for your needs.

Range of Everbuild Products

Everbuild have a phenomenal range of products, and we at ERoofing are proud to stock them. We have the popular 905 all-weather coatings, a full-bodied black brushable bitumen compound with added fibres for reinforcement among the vast range. Further, we have 901 Black Bitumen Paint to the 908 DPM, an odourless rubber enriched bitumen emulsion. Moreover, we stock a range of quality sealants for any DIY house project, including Everflex, Bath & Kitchen sealant, and external frame sealant.

Free Delivery on Everbuild Products

If you spend more than £10 on your order, you'll automatically qualify for free shipping on Everbuild products. This offer includes sealants, paints, glue adhesives, and others.

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