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Fred the Red Shirt Fred the Red Shirt is offline
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Default wood glue, waterproof and cheap

On Apr 27, 9:02 am, "johngood_____" wrote:
I want a * low priced* ' waterproof ' glue to glue some wood together out
in the garden. Thats in all weathers, (London u.k. which means: rainy).

I went to Wickes and bought a tub of white PVA ' Waterproof ' glue. Gluing
some chopsticks together overnight and then soaking them in water for an
hour next morning, the glue lost all strength in adhesion. Have I been
robbed, and that could not really be called waterproof or am I asking for
too much?


It might have done better had you let it cure longer.
But I doubt that it would have held up for long.


Any suggestions on a *low priced* waterproof glue please? Years ago in the
woodworking class at school we used to have pots of glue (made I think from
horses hooves or something similar) that we used to heat over boiling water
to get it to be soft enough to use.

Is it still possible to get this type of glue?


Yes, it is called hide glue. It is available in beads
to be mixed and used as you did in high school
and is also available in bottles liquid form. Hide
glue is not waterproof.

It must have been cheap for
our school to use it, but I have no idea if it's waterproof of not. Any
suggestions please ? Thanks.


The two types of glue used to make wooden boats
and airplanes are epoxy and resourcinol (sp?) I
think that the newer polyurethane glues are also
completely waterproof, but may be too brittle
for airplanes or boats which flex a lot more than
most furniture.

Storing polyurethane glues after the bottle has
been opened as they react with moisture in
the air. So it is not economical to buy it in
larger containers unless it will all be used
relatively rapidly.

Whichever of those is the lowest in price will be
as low as you can get I would think. There are
many epoxies on the market.

FWIW the mil-spec for waterproof glue requires
that the glued joint survive being boiled in water.
A number of epoxies fail that test due to the
temperature. For ordinary conditions, AFAIK,
all epoxies are water-proof.

--

FF