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I’m planning to build a raised deck on a 20’x 25′ raised concrete block foundation. The foundation was originally build for a guest house but we decided to do a deck instead. I’ll use Trex for the surface of the deck, but what would be a good choice for the sub structure? How can the soil below the deck be treated to eliminate weeds? Access under the deck to treat wood or spray weeds will be difficult after it is completed so I’d like to do it right the first time
I’m leaning towards pressure treated doug fir, spraying with Round Up, and covering the ground with heavy black plastic. The Trex will be spaced to allow for expansion, so rain will accumulate on the plastic and I live in a cold, wet climate area.
Any better ideas?
Replies
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I'm planning to build a raised deck on a 20'x 25' raised concrete block foundation. The foundation was originally build for a guest house but we decided to do a deck instead. I'll use Trex for the surface of the deck, but what would be a good choice for the sub structure? How can the soil below the deck be treated to eliminate weeds? Access under the deck to treat wood or spray weeds will be difficult after it is completed so I'd like to do it right the first time
I'm leaning towards pressure treated doug fir, spraying with Round Up, and covering the ground with heavy black plastic. The Trex will be spaced to allow for expansion, so rain will accumulate on the plastic and I live in a cold, wet climate area.
Any better ideas?