I have just cut the joint with a router & need to know if any or what type of sealant should be applied to the ends of the worktop before they are clamped together.
Are you using worktop colour sealant as this acts as an adhesive?
Evostick impact will set nice and tight.
The clamps are suffice to hold the joint, you can also use biscuit joints to make it extremely secure, usually on an unsupported island or overhang.
Pete
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