Bonda G4 Clear Pond Sealer (25kg)

Concrete based ponds need the final render sealing to stop the water getting in and lime leaking out. G4 has been long established as the market leader for this task. The amount of G4 you will need depends on the internal dimensions of your pond. For example lets say the pond is 3m x 2m and 1m deep. 1 Work out the area of the bottom in our example 3 x 2m 6sqm. 2 Find the area of one of the sides. then multiply by 2 to cover both sides in example sides 1 2 x 1 2sqm x 2 4sqm. 3 Find the area of the other pair of sides in example sides 2 3 x 1 3sqm x 2 6sqm. 4 Add up sides and floor 6sqm 4sqm 6sqm 16sqm. 5 Multiply total by 550gsm 16 x 0.55kg 8.8kg....Read More...»»