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Combating
damp
Wood is a living fibre which varies in volume according to the change
in its own moisture content and the environmental humidity. There is
a continual search for equilibrium with the changing environmental
conditions, whereby the wood can increase or decrease in volume
depending on whether it acquires or loses moisture. To avoid changes in
dimensions, good seasoning is an essential first step, which, through a
natural or artificial drying process, immediately after cutting, makes
the wood lose the water contained in its cavities and cell walls. The
residual moisture content should be (9±2)% of the weight: this
is considered optimal to guarantee a wood with excellent properties of
stability and unchangeableness over the years in dwellings. All ALI
parquets undergo seasoning which produces this percentage of residual
moisture. Even wood with correct drying requisites is in any case
subject to changes tied to the environmental humidity, unnoticeable
under normal conditions in the home. The greatest pit-falls are to be
found, however, at the moment of laying the parquet. If the substrates
or the environments where the wooden floor is to be laid do not have a
correct degree of humidity, unwelcome effects could occur (swelling,
splitting, rising, rippling, shrinkage, cracks) and which may be avoided
by taking the following precautions.
1. Wait and help
the floor rough to dehydrate
2. Determine the degree
of moisture of the floor rough using an hygrometer
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