4mm gap, prepared to fill other colors play the effect of sub-grid , To be smooth and solid, shaped to do smooth lines, folding the surface of the corner to be smooth can not be broken. Second, the floor of the distance between the keel 1, the distance between the laying of the keel determines the number of keels per square solid wood floor, the reasonable spacing should be within 30cm and the length of a single floor should be an integer multiple of this spacing. So that each floor is the head and tail nailed to the keel, the probability of loosening the floor is greatly reduced. 2, the common floor length: 900mn (910mn), 600mm, 450mm. Obviously 600mm, 450mm of the floor, the distance between the ground dragon should be 300mm and 225mn. And 900mn floor tiles have two kinds of spacing, 300mm and 225mm, which will lead to the laying of the floor are different, 225mn spacing of the floor is 1/2 dislocation, 300mm spacing floor is 1/3 dislocation. 3, understand the distance between the dragon, we can calculate the use of the Dragon. 300mm spacing of the dragon number = floor square number ?? 4 m / ground dragon length; 225mm spacing of the dragon number = floor square number ?? 5 m / ground dragon length. 4, the floor when the distance between the wooden keel should not be too far, not more than 350mm. Some of the wooden keel distance in the
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