Tuesday, January 1, 2008

Pond Underlayment 04-02-10

What do I put under my liner when I build my pond to pad it?


There is a product called underlayment that is used for padding under the rubber liner. This heavy fabric protects the liner from puncture during installation. An alternative is to use underlayment as padding just for the sides and a layer of sand on the bottom of the pond. The layer of sand needs to be about two inches deep for adequate protection. In lieu of the underlayment, a half-inch layer of wet newspaper on the sides of the pond works well as a substitute.



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How much does liner weigh?

Liner weighs about 0.285 lb. per square foot.



  standard 45 mil EPDM-II is the liner  

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