Repair work in the restoration of plank floors begins with an inspection of the floorboards and the identification of defective areas. Protruding fasteners are achieved or replaced with screws. Loose fasteners often cause floorboards to creak, a similar defect appears when floorboards are rubbed.
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Before fixing loose elements, you should make sure that there are no communications and wiring under them. You can use a metal detector, but it will be safer to lift the board and check what is under it. Screws provide a reliable connection, it is better to use fasteners with a countersunk head, which is completely recessed into the wood. If the nail heads protrude, they are upset using a puncher.
Screw heads and other minor defects are covered with putty. During the subsequent application of the varnish coating, special compounds are used for working with wood, if the coating is laid on top, acrylic putty will do.
Boards with longitudinal cracks are fastened with nails that are driven in from both sides of the crack. The gap is filled with putty. Large gaps are closed with planks sawn in accordance with the size of the gap. The bar must fit snugly into the gap. For upsetting, a wooden mallet is used, the adhesion strength is increased by using wood glue.