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How its Made Hardwood Floor

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There was a time when exposing your hard wood floors meant you just couldn't afford wall to wall carpeting. Not any more, hard wood floors are definitely in. And today there are so many wood and staying colour choices, hard wood floors can suit any decor. The types of wood commonly used for flooring include red oak, peach, maple, white oak, walnut, birch, and ash. As soon as the wood arise from the saw mill workers at the floor factories stack it on racks then pile the racks floor to ceiling in a dryer that's the size of a large barn. There large fans circulate hot air around the racks. The wood's moisture content is between 40 and 60 percents depending on the season. When that drops to about 7%, the wood is ready to come out. This drying process takes anywhere from 10 days to a month. The length of time varies because some species dry out much slower than others. The wood is in random lengths and widths so the first step after drying is to cut it to standard sizes. On the way to the rip saw the planks pass on under an optical device called an optimizer. In mere seconds it reads the dimensions of each plank and sends that information to a computer. The computer calculates the greatest number of standard size pieces that can be cut from a plank then guides the rip saw to cut accordingly. This maximizes the yield and limits waste. Floorings is made from medium quality rather than top quality lumber to keep prices competitive. As the pieces exit the saw, workers manually cut out any large knots or other defects weak points at which a piece could potentially snap and jam up the equipment. The pieces now travel through a machine called the moulder. It's revolving steel knives spin at a rate of 6000 rotations per minute, carving a tongue down one side of each piece and a groove down the other. Workers do frequent spot checks to make sure that tongues and grooves fits together snugly. The next machine carves grooves on what will be the underside of the pieces. This is for air circulation and stability. Then an embossed wheel imprints the words, made in Canada. Using cross cut saws, workers removes any false in the wood and divide pieces that have noticeable colour variations. This is the 1st step towards sorting the wood by grade. Now a machine called an end-matcher carves a tongue and groove on the two ends. Here's the view from inside the machine. Workers check once again for faults then assessing quality and colour, sort each piece by grade. This will be pre finished flooring so the pieces now run through a centre to prepare them to receive 8 coats of varnish. For certain finishes the first coat contains wood stain all subsequent coats are colourless. Between each application ultra violet lamps dry the varnish in just a few seconds. As the flooring exits the last drying oven, it's ready for packaging. Unfinished hard wood flooring has to be sanded, stained and varnished after its installed. Pre-finished flooring eliminates that extra work sparing you the dust, the drying time, and the smell.

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Duration: 4 minutes and 49 seconds
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Language: English
License: Dotsub - Standard License
Genre: None
Views: 22
Posted by: schoogle on Feb 25, 2016

How its Made Hardwood Floor

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