Bondaglass G4 Pond Sealer Black

Bondaglass G4 Pond Sealer is ideal for waterproofing your pond. It is a moisture cured polyurethane which forms a non-porous seal. It is perfect for waterproofing ponds made from rendered brick.

G4 Pond Sealer uses the moisture in the air and substrate to cure and harden.

When using the black sealer, the first two coats must be G4 clear. This is because the G4 clear provides the maximum non porous seal and adhesion. A further two coats of G4 black can now be added.

If you have a cracked pond, then the crack must be filled before the G4 can be used to waterproof it.

Key Features:

• Polyurethane sealer forms a non-porous seal
• Suitable for ponds made from rendered brick
• Hardens in the air
• First use clear G4 then coloured G4
• One can (1kg) is 1 litre

Application:

1st and 2nd coats = clear 410g / metre sq.(for 2 coats)

3rd and 4th coats = black 400g / metre sq. (for 2 coats)

To work out how much you need, use our Pond Paint Calculator.