I read on a website that hardwood will expand (swell) across the width
of the strip, but not end to end and therefore you dont need a gap
between the wall and the ends of the hardwood strips.Is this true?
Think humidity..... we are approaching 1700 sf of hardwood flooring on
concrete foundation ( to be expanded to more rooms ) and just image a
1/8" space on all four walls (dense cardboard shims - easily removed).
It snowed in Las Vegas before Christmas... still putting in
Expand/Swell/Contraction. Follow directions.
"Well, it doesn't happen all the time, but when it happens, it happens
Partly true. Most of the expansion is in the width, but on a long run you
can have some expansion on the length so make some allowance for that also.
I cannot give you an exact answer but it will expand in both
directions. Wood is an anisotropic material, i.e. properties are
different in different directions because or orientation.
To see this phenomenon, take a piece square piece of paper, measure it
and soak it and remeasure.
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