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Enviroseal (Concentrate) is an effective concentrated masonry water repellent liquid product based on a solvent-free silicone/siloxane emulsion, for use above ground on a wide range of exterior surfaces.
Supplied in 2 Litre Containers, Concentrated Solution, dilutes to make up to 25 Litres of Ready-to-use product.
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Enviroseal (Concentrate) is an effective concentrated masonry water repellent based on a solvent-free silicone/siloxane emulsion. Enviroseal (Concentrate) must be diluted with clean water prior to use and is suitable for use above ground on porous brickwork, cement renderings, asbestos, cement/mineral boards, unglazed tiles, cast concrete, roughcast, stonework (including calcareous materials, i.e. those containing limestone), wood, canvas and leather.
Once diluted with water, surfaces treated with Enviroseal Masonry Water Repellent remain permeable to vapour so that moisture within the structure does not remain trapped.
Once dried, Enviroseal is clear and colourless and will not normally alter the appearance of treated surfaces. In some circumstances, however, very slight darkening may occur.
Note: Enviroseal is NOT a dust-proofing sealer or a damp-proofing membrane.
Concentrated Solution - Dilutes to make 25 Litres.
Highly penetrating.
Low odour.
May be applied by brush or low pressure spray.
Will shed waterborne dirt and reduce surface contamination.
Improves insulation by keeping surfaces dry.
Colourless, and non staining.
Vapour permeable (allows the surface to breath).
Becomes effective immediately after drying (approximately 3 hours).
May be over-coated at a later date with decorative paints.
Conforms to the performance requirements of BS 6477:1992 for substrate groups I and II.
Take the usual labour hygiene into account.
PPE should be worn during application. See our Safety & PPE Products.
Consult label and material safety data sheet for more information.
Substrates should be prepared by cleaning to remove all surface contaminants, including fungal / mould growths. Contaminated areas should be treated with one of our Masonry Fungicide product or a Moss & Algae Cleaner.
Mould release agents or decorative paints should be removed completely.
Structural defects, particularly mortar joints, repointing or rendering must be made good and allowed to cure for at least 1 month before treatment. Enviroseal will not prevent ingress of water through cracks or defective joints.
If sandblasting / microblasting are carried out, ensure that the surface is hosed down with water extremely thoroughly. Repeat twice. Allow to dry. This is to ensure that the pores within the stone are not blocked with sand which may affect the application and Enviroseal.
Surfaces must be substantially dry before application of Enviroseal, and it is recommended that Treatment is carried out following a period of dry weather. Nonabsorbent surfaces should be treated.
Where backings are heavily contaminated with salts, there is an increased risk of spalling of surfaces treated with water repellents. The application of Enviroseal is not recommended under these circumstances.
Protect surfaces liable to be splashed during treatment, especially glass window panes, UPVC window frames and decorative coatings (See our Glass Protector Films).
Dilute 2 Litres of Enviroseal (Concentrate) with 23 Litres of clean water to make 25 Litres and mix well.
Apply two coats of Enviroseal liberally to the prepared surface using a large brush, lambswool roller or low pressure pneumatic spray equipment.
Take care to ensure no excessive overspray occurs and avoid inhalation during application. In exceptional circumstances a further coat may be necessary.
Allow at least 2 hours between coats and do not apply to surfaces affected by rain or frost.
Any overspray should be removed with silicone cleaner. Treated surfaces may be overpainted with masonry paints after approximately 1 week.
Coverage will depend upon the porosity of the surface to be treated.
Typical consumption is 4-5m² per litre per coat, this may be reduced to 2m² per litre on highly absorbent surfaces.
Enviroseal (Concentrate), once diluted, is exactly the same products as Standard Enviroseal, therefore the 'Enviroseal Technical Data Sheet' will apply to both products.
Description
Application
Data Sheets
