[Greenbuilding] clay wall for pool

[Gennaro Brooks-Church - Eco Brooklyn]

Thanks David,
One idea I have had is putting clay on the walls and then lining the walls
with a protective but not waterproof plastic liner. Then gravel. The liner
would protect the clay and the gravel would hold the clay in place.
Your thoughts?

Gennaro Brooks-Church
Director, Eco Brooklyn Inc.
Cell: 1 347 244 3016 USA
www.EcoBrooklyn.com
22 2nd St; Brooklyn, NY 11231



On Thu, Feb 2, 2012 at 10:10 PM, David Wentling <dpwentling at ymail.com>wrote:

> Been working with ponds for over 15 years.
>
> If you use EPDM, be sure to use a liner protection fabric beneath the
> rubber to reduce potential puncture from below and avoid rubber liner
> stretch. EPDM will have carbon slough off over time, so avoid contact with
> swimmers. This can be accomplished with liner fabric on top of the rubber
> and covered with gravel and large stones. I worked on a natural lap pool
> where large flat stones were laid out in a straight line and gravel was
> filled in between. Flat stones acted as swimmer lane lines. Large boulders
> were located on each end for the swimmer to push off when turning.
>
> Had an old pool where previous owners patched walls and used foundation
> water proofing paint. Bad idea! Paint not designed to have constant water
> pressure. Every year it was scrape, patch, paint!! We lined the old pool
> with rebar and shot in a new concrete liner. We used "Marblelite" pool
> coating. No leaks for over 20 years.
>
> Bentonite is available in sheet form as well as drums. As long as you do
> not have an erosional flow across the clay it is stable. Expensive option.
> Best if covered.
>
> If you have a natural high clay deposit locally, many farm ponds utilize
> this product. Availability versus cost is a local thing.
>
> I have been associated with a dozen natural ponds where we have used under
> gravel suction pipes in the main pond and feed edge or top pool bog
> gardens. For  those who require a higher clarity we have incorporated UV
> sterilizers. These are often added several years later when the females
> want to join in the swim fun!
>
> For the cost and durability I would use EPDM with liner fabric top and
> bottom.
>
> David Wentling ConservFirst.com
>   ------------------------------
> *From:* Gennaro Brooks-Church - Eco Brooklyn <info at ecobrooklyn.com>
> *To:* listserv Green Building new <greenbuilding at lists.bioenergylists.org>
>
> *Sent:* Thursday, February 2, 2012 9:01 AM
> *Subject:* [Greenbuilding] clay wall for pool
>
> Hello,
> I am building a natural pool and looking for a good sealing option. The
> existing pool has very feeble concrete walls that are strong enough to keep
> the shape but not strong enough to hold the water in. Under pressure and
> time they will crack. Some options I see are:
> 1. a liner like epdm
> 2. stucco the walls and paint with pool paint
> 3. clay blanket
> 4. making a clay stucco mix?
> 5. spraying clay on the wall then spraying a stucco?
>
> Part of the pool is going to have a deep layer of gravel and plants so
> removing that to find a crack or leak is going to be near impossible.
> Something that "self heals" like clay is attractive to me.....but it has to
> work on vertical walls. The floor is easy.
>
> Gennaro Brooks-Church
> Director, Eco Brooklyn Inc.
> Cell: 1 347 244 3016 USA
> www.EcoBrooklyn.com
> 22 2nd St; Brooklyn, NY 11231
>
>
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