Sealing clay or concrete pavers, concrete floors, unglazed tiles and slate.

Product: Bondall Paving & Concrete Sealer

Surface Preparation:

TEST AREA: Always test the product on a small inconspicuous area first to ensure the product does not react adversely with the surface or give a slippery result. Also check if the surface has been previously sealed by carrying out a splash test by wet- ting the surface to see if water beads.

Bondall Paving & Concrete Sealer is suitable for most rough, trafficable, horizontal surfaces. However, on smooth surfaces such as terracotta tiles and other smooth texture paved surfaces and dense surfaces friction/grip may be reduced. It is important that the end user first test the product on a small area to ensure the coating has not caused the surface to become slippery. do not apply excess Bondall Paving & Concrete Sealer as this could build up a glossy membrane which reduces fric- tion/grip and make the surface slippery.

• Bondall Paving & Concrete Sealer is not recommended for use around wet areas i.e. swimming pools.
• Bondall Paving & Concrete Sealer is not recommended for use on high density pavers, large format pavers and reconstituted limestone pavers etc. To seal these we suggest Bondall Natural Finish Sealer.
• Surface preparation is critical. It is advisable to allow a minimum of 6 weeks exposure before sealing onto any newly laid surface. Areas affected by efflorescence, grease, mould or bore stain should be treated with the appropriate Bondall cleaning product. Ensure all surfaces to be sealed with Bondall Paving & Concrete Sealer are clean, dry and free from dust and other contaminants. Any stains present will become more apparent once sealed.
• Allow new concrete to age/cure. Typically allow 7 days for each 25mm thickness. Generally, concrete takes 28 days to cure to 90% of full strength.
• While a surface that has been cleaned with a high pressure water jet or saturated with water may look dry, we recommend that it be allowed to dry for a minimum of 3 days before sealing as the substrate may still contain a lot of moisture.
• Surfaces cleaned with acid based products need to be totally neutralized as any acid residue present will attack the coating.
• Application of Bondall Paving & Concrete Sealer will not prevent the appearance of marks left by tyres etc, in some instances, but will assist with cleaning.

Applications:

• Stir well before and during use. DO NOT SHAKE the contents as shaking will produce air bubbles which may become trapped on the surface.
• Proper penetration of the first coat is very important. do not allow pooling, this will lead to coating forming a white, milky film.
• Apply 1 coat diluted 10-15% by volume with water by brush, roller or spray. Allow to dry for a minimum of 24 hours before applying an undiluted second coat. Over application will increase sheen and slip level. Do not apply if temperature is below 10ºC or above 35ºC or if rain is expected within 24 hours as this could lead to whitening of the coating.
• Ensure adequate ventilation during use.

Coverage

Approximately 5-10 square metres per litre. Coverage rates are dependent on surface porosity, texture and application tech- nique used. Coverage rates offered are guidelines only. On certain surfaces this may vary considerably from our estimations. Always test if sufficient product has been applied by carrying out a splash test. Over application may increase sheen and slip level.

Thinning

May be required on dense surfaces but by no more that 10—15% of water by volume.

Gloss Level

Low Sheen - Semi-Gloss.

Over application will result in the surface becoming glossy or a milky film may occur from trapped moisture.

Applying coating onto substrates experiencing moisture migration may cause a white, milky film to form. May darken some surfaces.

Drying Time

Bondall Paving & Concrete Sealer is touch dry in approximately 2-3 hours at 25ºC but should be left a minimum of 24 hours to dry before re-coating under favourable conditions.

Clean Up

Clean all equipment promptly with warm water and a little detergent followed by a fresh water rinse immediately after use. Do not pour contents or washings down drains or sinks. Dispose as per your local council regulations.

Precautions/ First Aid

It is recommended that normal personal protective clothing should be worn, including coveralls, impervious gloves and goggles. Avoid unnecessary skin contact and inhalation. Use a suitable respirator if spray application is employed. Refer to MSDS for full details. If swallowed, contact a doctor or the Poison Information Centre on 13 11 26. Give water to drink and do not induce vomiting.