Has any body used composite wood -- like trex decking -- to make headers for garden beds?

Question

Looking for responses from pros or real experience. Have a cutting garden I want to redo. Am thinking trex 2 x6 headers for beds with hardware cloth liners for gopher control. Tired of loosing plants and wood headers that don't last. I trap gophers but neighbors don't. Any other suggestions?

Answer 1

For a cutting garden they should do fine. I used a different Brand but would assume all are closely related. Very easy to work with although a bit heavier than, pine or other softwood. Flexes easily but retains the shape if supported. Three years now in the soil and they appear to be as solid as they ever were. Double up on your supports if they bear weight, like slopes that are backfilled. They also make excellent bottoms for compost piles, the shovel slides like wet plywood but doesn't peel apart.

Answer 2

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Answer 3

Be cautious with treated wood, many contain carciogenices. Do not use anytreated wood. Some people use old railroad ties and the creosote on them is a proven carciogenic as is pentachloythenal (I hope I spelled that right?) I have made raised beds with untreated wood, (SPF) protect it by lining the inside with plastic. Do NOT use treated wood. I dont understand people who answer and say its good, its okay - why would they say that?

Answer 4

I've used it in various applications and it's pretty amazing stuff. I just would not use it around food crops because it hasn't been around long enough to determine if something may contaminate the soil enough to be taken into crops. I doubt it--but I wouldn't do it myself.