ULTRA joist significantly reduces shrinkage and its associated problems, by arriving on site with a moisture content very close to the equilibrium moisture content that the timber will attain once the heating system has been operational for several months.
ULTRA joist from Glenalmond Timber has been super dried to a moisture content of 12% and fully preservative treated to a 60 year service life, incorporating a highly effective water repellent. This means any subsequent moisture content problems are dramatically reduced. Problems such as squeaky floorboards, popping nails and cracks in ceiling finishes are virtually eliminated.
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