The boat was old; the wood had shrunk a bit, no doubt; it was just a small leak.
Teflon is "humidity stable" whereas the wood adjacent to the Teflon swells and shrinks with humidity changes, causing problems.
If dried too quickly, wood shrinks much at the surface, compressing its damp interior.
The wood had shrunk and warped since then, and the rusty heads of the nails stuck out.
Since wood shrinks as it dries, one way to keep the barrel watertight is to fill it and let the water stand until the staves swell.
As he did, the iron-bound wood of the door shrivelled and shrank in on itself with a series of explosions as loud as firecrackers.
In the original technique, the wood used to build the structure would dry and shrink, then plaster was added to the seams to fill in the gaps.
Further down the alleyway the wood had shrunk in a fence leaving a knot-hole big enough to see through.
Immediately the wood shrank, reversing her magic.
Since the wood does not swell or shrink much it is great for canoe building.