Published at Saturday, 22 July 2017 by Lundy in Flooring, with total 36 photographs.
One drawback is that this type of floor requires special hanger systems designed for the joists, to enable them to be hung from each other or against beams/bearing walls. Manufactured joists are becoming a popular flooring system, for they are relatively cheap, reduce labour time and provide adequate support. However, builders need to familiarize themselves with its installations, for poor installation can cause severe structural damage to the joists. A good example is a three point, center bearing joist, left with the top chord uncut, which can potentially fail or pull apart, over the center bearing point.
Installing interlocking floor tiles is a much easier and user friendly process. They are designed to clip together, eliminating the need for measuring spaces and also leaving room for the tiles to settle. Each tile is surrounded with divots that lock to the other interlocking floor tiles. They clip together easily, much like a jigsaw puzzle, and allow a perfect seamless finish. If a mistake is made while installing the interlocking tiles, it is easy to fix. Simply pull them apart and start over. As no adhesive is generally used, they do not need to be pried up, risking damage to the floor.
This shrinking action pulls the floor together, adding strength to the overall system. The advantages of this type of sub-floor are its strength and durability. One important note, homeowners are often disturbed by the small 1/4" wide gaps, generally left between the individual planks after the wood dries out. Although disturbing to see during construction, upon completion, the spaces are not noticeable, and really have no impact on the sub-floor components at all. Strip floors are designed to be interlocking, through lapping or spacing of joints.