PRACTICALY
our planking may still be in good condition, but
hull fastenings may look past their best: so how do you replace them without some of the
damaging the plank? I found out when I travelled to Oulton Broad’s International Boatbuilding
Training College (IBTC) and spoke to the former principal Nat Wilson, who explained the
process while Dave Sales demonstrated the techniques.
With the help of the International Boatbuilding Training College, Richard Johnstone-Bryden describes the process of hull fastening replacement
International Boatbuilding Training College, Oulton Broad, Lowestoft, Suffolk NR32 3LQ Tel +44(0) 1502 569663, Email: [email protected], Website: http://www.ibtc.co.uk
Replacing hull fastenings
wooden plank, a hole is drilled in the copper nail head.^1 To remove the old copper nails without disturbing the^2 A sacrificial screw is then screwed into the copper nail.of leverage that can be gripped by a claw^3 The sacrificial screw provides a point
hammer to pull the old nail out of the plank.
sacrificial screw.^4 The extracted copper nail complete with the
5 The empty hole is enlarged with a counter bore.screwed into position as a replacement^6 A bright new bronze screw is
hull fastening. clearly seen in position.^7 The two new bronze screws can be