can't you slope the pavers 1/4" per foot to the wall and install a drain in the pavers then route the drain pipe down and out through the wall at the bottom making sure iwater doesn't gather next to the wall?
keep in mind if you center the drain in patio at the back by the wall caps you would need the pavers to "dual slope" towards the rear of patio so that the water would flow to drain ...
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Last edited by xtreem3d; 08-28-2012 at 08:08 PM.