Lava rocks for use under an on-grade deck?

ThomcatVongDecember 28, 2011

Hi All,

I am building a 20'x12' deck on grade in my front yard. Underneath the deck, I want to make sure:

1. No weeds grow

2. No rodents or vermin turn it into their home/nest

I've read that one should put down weed suppressing cloth and then put 4" of gravel over it. Can I use red lava rock for the same purpose?

Any pros over gravel? Cons I should be aware of?



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bahia(SF Bay Area)

Red lava rock ought to discourage weeds if applied over weed fabric, but be aware that it won't necessarily discourage rodents/vermin. If it is so low to the ground that you can't visually inspect below it, be alert for signs of rodents and you make need to take appropriate measures.

    Bookmark   December 28, 2011 at 9:44PM
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