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Where the joint is situated?
How exposed to the elements will it be?
How easy will it be to repair if the joint should fail?
Will it need to fill any gaps?
And will any health hazards be acceptable?
It is rarely advertised, for the DIY market because the manufacturers sell enough to industry.
However it can be bought in small quantities.
This is a high exposure resistant and waterproof adhesive.
Resorcinol has two components.
It is comprised of a liquid resin and a hardener which can be either powder or liquid.
Joints are strongest on closely meeting faces where, clamping pressure is high.
Excellent for laminating as it will not creep once the initial set has occurred.
However, it does leave a dark colored line along the joint.
There are two main grades one of which can only be used in warm temperatures.
It is certainly waterproof and is excellent for sealing end grain.
However it does set hard and therefore can be brittle.
Once set cleaning off any excess is difficult.
It can deteriorate with prolonged exposure to UV light.
And there are the health risks, associated with the chemicals in the hardeners to consider.
However the better grades such as Aerolite 306 are excellent easy to use adhesives for non-exposed applications.They have moderate gap filling ability good durability and are creep resistant.
There are some exterior versions which are described as being ‘waterproof’.
should be wary of using them
on a boat and certainly
not outside the cabin unless the wood is properly sealed to control the
However a hot glue gun because it is convenient and the glue sets quickly is a super way to make templates.
small strips of thin
plywood a template, of that
awkward curve can be quickly stuck together with the gun.
However they could, at a push be used to glue small pieces together, but only on interiors.
It does become brittle and has poor shock and solvent resistance.
It will yellow and degrade with exposure to UV light.