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Anaerobic Digester Covers

Thread starter rak74
Start date Dec 28, 2004

Status: Not open for further replies.

Dec 28, 2004

rak74

Civil/Environmental

I am replacing a fixed roof anaerobic digester cover that is approximately 30 years old. The roof is steel and was repaired due to leaking about 10 years ago. I am searching for alternate materials for roof construction to increase the life of the roof. It seems that 1/4" thick steel is conventional so one option would be to increase the thickness to 3/8". I have tried looking at concrete and aluminum but to no avail. Any suggestions?