G4 pond sealer is applied to concrete ponds to prevent water from penetrating the concrete. Additionally it prevents toxic substances such as lime leaching into the pond. G4 pond sealer is polyurethane base, and can be applied directly to concrete, bricks and porous stone.
Ensure that the surface is dust free and dry. It cures within 6 hours. Full mechanical hardness is achieved after 24 hours and chemical resistance after 72hours. It may be applied at temperatures from 00C. Normally 3 layers is applied for a durable seal. Coverage is approx 550gm per sq.m for the 3 applications.
Warning! Persons already sensitised to diisocyanates may develop allergic reactions when using this product. Persons suffering from asthma, eczema or skin problems should avoid contact, including dermal contact, with this product. This product should not be used under conditions of poor ventilation unless a protective mask with an appropriate gas filter (i.e. type A1 according to standard EN 14387) is used.’ Protective gloves to be supplied with this product.
Hazard Statement – Bonda G4 Damp Seal
H226 – Flammable liquid and vapour.
H315 – Causes skin irritation.
H317 – May cause an allergic skin reaction.
H319 – Causes serious eye irritation.
H332 – Harmful if inhaled.
H334 – May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H335 – May cause respiratory irritation.
H336 – May cause drowsiness or dizziness.
H351 – Suspected of causing cancer (if swallowed, if inhaled).
H373 – May cause damage to organs through prolonged or repeated exposure (if swallowed, if inhaled).
H411 – Toxic to aquatic life with long lasting effects.