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Question DetailsAsked on 8/11/2013

What to consider when expanding off of our current patio, to fill in the area to our pool and a side area for our BBQ?

This would fill in an area to our pool and a BBQ area.

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1) how you intend to use the area

2) do not block drainage without making provisions for it to go around and stay away from the foundation, and keep a bit high so your patio/walk does not become a lake

3) excavate to suitable subgrade - cheating a few inches on excavation will result in buckling and heaving of your surface - generally 8-12 inches excavation, with crushed rock subgrade compacted, then finish base of driveway base if concrete or asphalt, or sand bedding layer if pavers or brick.

4) tree roots from trees, especially within about 15 feet or so, can ruin it in short work. Howeer, if you have to ocut major roots that weakens the root system, so blowover in winds is more likely, so if you have a lot of trees you may have to clear a bunch, or use large pavers set in sand so they are easy to reset if disturbed by roots.

5) don't damage utility lines, and try to not pave on top of them more than necessary in case they ever need repair

6) if low spots now, try to cut a drainage for them BEFORE fill starts to provide an underlying drainage, otherwise the fill you put in will be soggy and boggy forever.

7) walks and BBQ areas tend to look nicer and be easier to repair with pavers, alongside pools (outside the perimeter walk) grass pavers or concrete tend to be more functional, and slope well away from pool so dirt does not drain into the pool

8) large rectangular areas look bland - fire pits or planters people can sit on (except in snake country) and curved edges add a lot to the appearance without excess cost

Answered 6 years ago by LCD




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