Special Finishes

Architectural and Decorative Coating Specialists

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Optiseal is a low viscosity two pack epoxy sealer used for sealing timber, marine plywood, concrtete, cement plaster, precast concrete panels etc




Optiseal is ideal as a sealer coat on concrete walls and floors befor ethe application of Aquepoxy or Armepoxy and including all types of PU urethanes such as Ultraclear, Ultracoat, Tufflex, Ultraflex and polyureas. It helps to bind and seal off the concrete, this improves adhesion of all subsequent coats. It also penetrates deep into the concrete and helps to seal off moisture to prevent the formation of efflorescence.


OPTISEAL is used as a sealer on timber and plywood to reduce the absorption of moisture into the timber also to improve adhesion of primers and topcoats. Several coats can be applied to provide an excellent moisture barrier, which will help prevent dry rot. It can then be topcoated with two pack undercoats and topcoat systems.



Mix OPTISEAL 1:1 by volume and blend thoroughly. Apply to substrate by brush, roller or spray. No thinning is necessary. Apply 1-2 coats as a concrete sealer at 3-5 m² per litre approximate coverage subject to substrate porosity.

Apply 2-3 coats to timber at 5-10 m² per litre when using as a sealer to reduce moisture ingress.

Overcoat after a minimum of 16 hours cure.



Product contains flammable liquid. Keep away from sparks and open flames. Do not smoke during use. Keep out of reach of children. Avoid breathing vapours. Contains aromatic hydrocarbon solvents. Product contains epoxy resins and amines. Wear gloves, goggles and protective clothing during use. Excessive skin contact may cause dermatitis.

Class 3B Flammable liquid.