Green Roof Pond Liner

Our experience over the years is that a lightweight pondliner is sufficient for a small scale green roof.

Green roof pond liner.

Homepage butyl products ltd group welcome to butyl products. We ve manufactured green roof pond liners in the uk for 50 years we make them to last. Our engineers designed a liner that weighs 30 less than ordinary 20 mil pvc but is just as strong and flexible. This is the method john used on his first green roof on his own house.

This website based guide builds on the material and information in our original pdf the diy guide to green living roofs which we published in 2008. It is obviously important not to incorporate any stones into the mix and risk damaging the membrane. Our butyl rubber has an expected lifetime of 40 years or more. Roll out pond liner number 1 taking care to tuck it under any leading you ve got at the edge of the roof so rain water comes off any walls hits the lead and then goes inside rather than under the pond liner 3.

Click here to send us a box welded greenseal liner enquiry. A variety of plants that grow well in a soil depth of five to seven inches are good to use including certain perennials ornamental grasses herbs shrubs and sedums. Once pond liner 1 is rolled out cut off any spare making sure you ve left a good 5 inch lip around the edge of the entire area 4. Pond skins liner is ideal for small ponds.

Once the pond liner was in place new fascia boards were placed around the front and sides for finishing and to hold the liner in place. We then mixed compost with pro gro a municipal soil conditioner from green waste and laid it on the roof. The walter segal method of waterproofing for self build uses a pond liner material. Greenseal epdm pond liners are a popular alternative to butyl ponds liners 0 75mm greenseal epdm pond liners comes with a lifetime guarantee.

1 fit the frame used to retain the green roof components 2 install the epdm roof membrane as described in our training section 3 lay a sheet of geotextile fleece over the epdm to protect the membrane and retain moisture 4 install a drainage layer using either rounded washed pebbles not pea gravel or profiled troughs to help drainage and retain sufficient moisture 5 fit another geotextile membrane or similar rot resistant hi tensile membrane to retain soil and to avoid drainage layer. Greenseal epdm pond liners have the same if not better uv stability weather tolerance and strength properties than butyl.