[TheForge] repair of a structural foam stock/utility tank.

[Paul Hewitt]

yes that why there are several types of glass matting...........


----- Original Message ----- 
From: "Terry L. Ridder" <terrylr@blauedonau.com>
To: <theforge@mailman.qth.net>
Sent: Sunday, July 20, 2003 7:31 AM
Subject: Re: [TheForge] repair of a structural foam stock/utility tank.


> hello;
> 
> after reading numerous web sites on repairing
> boat hulls and fiberglass underground storage
> tanks i have gleaned the following information.
> 
> anything below water/liquid line use epoxy resin.
> keeping water out is much easier than keeping a
> liquid in. ( boat hull vs. fiberglass storage tank )
> a boat hull is normally under compression forces.
> a fiberglass storage tank is under tension/expansion
> forces. 
> 
> this 300 gallon stock/utility tank is going to need
> some "mechnical" reinforcement. possible reinforcement
> suggestions are:
> 
> military surplus nylon webbing tow strap cinched
> around the top on the outside of the tank.
> 1/4 inch aircraft cable and turnbuckle around
> the top on the outside.
> 4 inches wide stainless steel sheet metal and
> rubber gasket. cover with several layers of
> fiberglass cloth and epoxy resin. final layer
> of geocel brushable sealer.
> 
> ascii picture:
> 
> |geo|F|s|r|f|r|s|F|geo|
> 
> geo == geocel brushable sealer
> F   == fiberglass and epoxy resin
> s   == stainless steel sheet metal
> r   == rubber gasket
> f   == stock/utility tank wall
> 
> i am tempted to go with ray's suggestion of
> a pool/pond liner and aircraft cable with turnbuckle.
> less expensive than epoxy resin.
> 
> On Sun, 17 Aug 2003, Paul Hewitt wrote:
> 
> paul>
> paul> Fiberglass and resin is about the only way,
> paul> the tank is made from polyurethane foam,
> paul> you might be successful with some spray
> paul> foam in a can, but glass and resin is a
> paul> sure fire seal. We do allot of boat repair
> paul> around here http://www.portorfordoregon.com
> paul> and you will see why. most if it is done
> paul> with structural polyurethane foam, and
> paul> layers of fiberglass, and polyester resin.
> paul> 
> 
> ray> 
> ray> From: ray miller
> ray> 
> ray> pool liner???
> ray> Ray Miller
> ray> Cincinnati
> ray>
> 
> From: terry l. ridder
> terrylr>
> terrylr> hello;
> terrylr>
> terrylr> i have a 300 gallon rubbermaid
> terrylr> stock/utility tank that i use to derust
> terrylr> large objects. it has developed a
> terrylr> crack in the sidewall. the
> terrylr> stock/utility tank is made out of
> terrylr> structural foam. i would like to
> terrylr> repair the tank if at all possible.
> terrylr> has anyone ever repaired on of these
> terrylr> types of stock/utility tank? i would
> terrylr> like to hear some ideas about
> terrylr> repairing it. i have searched the
> terrylr> internet and did not find anything
> terrylr> useful.
> terrylr>
> 
> -- 
> Terry L. Ridder ><>
> 
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