10
CALCULATING POND
LINER SIZE
To calculate the amount of pond liner you
will need in order to create your pond, you
can use this equation:
(Length + 2 depths + 30 cm) by
(width + 2 depths + 30 cm)
Example: for a pond with the final
dimensions of 10 m long, 5 m wide
and 0.5 m deep:
(10 + (2 x 0.5) + 0.3) by (5 + (2 x 0.5) + 0.3)
= liner dimensions required are
11.30 m by 6.30 m
This will overestimate the amount of liner
needed, but the excess will be useful for
anchoring the liner around the edge of the
pond, whilst still allowing for a small margin
of error.
CALCULATING THE AMOUNT OF FLEXIBLE LINER REQUIRED
Actual excavation
Length or width
Depth