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Homeowner Forum / Construction / August 2005Timber Deck on Concrete Pool
I have an inground concrete pool and I want to build a timber deck around it. The deck will only be about 250mm from the ground to match the height of the top of pool. My question is, is it safe to attach a ledger board to the pool shell? The pool shell is 300mm thick reinforced concrete, and I would drill in 50mm and insert an expanding masonary bolt to hold the board. My pool builder has said he thinks it will be fine and will not affect the integrity of the pool. Has anyone else done this? Do you think this is a bad idea? cheers Bruiser > I have an inground concrete pool and I want to build a timber deck > around it. The deck will only be about 250mm from the ground to match [quoted text clipped - 3 lines] > masonary bolt to hold the board. My pool builder has said he thinks it > will be fine and will not affect the integrity of the pool. <snip> that's fine. just keep holes far enough below concrete edge to avoid cracking pieces off the top. BTW, grade your soil to allow deck joist to remain clear of the ground and it's moisture. I have an inground concrete pool and I want to build a timber deck around it. The deck will only be about 250mm from the ground to match the height of the top of pool. My question is, is it safe to attach a ledger board to the pool shell? The pool shell is 300mm thick reinforced concrete, and I would drill in 50mm and insert an expanding masonary bolt to hold the board. My pool builder has said he thinks it will be fine and will not affect the integrity of the pool. Has anyone else done this? Do you think this is a bad idea? cheers Bruiser This project is totally doable but I would suggest: 1) the use of a chemical anchor (epoxy, vinyl ester; Hilti, Sika) rather than an expansion anchor. The expnasion anchors are quick & easy BUT they are more likely to split the concrete esp if you're close on edge distance. 2) make sure you have sufficent clearance to the dirt & don't trap moisture under the deck (rot / termites) 3) no soil / timber contact cheers Bob The only problem I see is if you drill too close to the top of the concrete, you might break out a piece of the pool wall when you tighten the expanding masonary bolt. I would think a 6" to 8" expanding masonary bolt would be about the right length. If you have to drill close to the top (within 2") you might want to use threaded rod and an epoxy.  SignatureJerryD(upstateNY) I have an inground concrete pool and I want to build a timber deck around it. The deck will only be about 250mm from the ground to match the height of the top of pool. My question is, is it safe to attach a ledger board to the pool shell? The pool shell is 300mm thick reinforced concrete, and I would drill in 50mm and insert an expanding masonary bolt to hold the board. My pool builder has said he thinks it will be fine and will not affect the integrity of the pool. Has anyone else done this? Do you think this is a bad idea? cheers Bruiser |
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