Published at Sunday, 20 August 2017 by Orlene in Flooring, with total 37 pictures.
In the case of long span truss work, bearing lengths of at least 3" are quite common. Trusses span greater distances than framed floor assemblies and can be designed to span the entire building, eliminating center load bearing supports. They are moderately more expensive than framed floor assemblies, but provide a remarkably strong floor with little deflection or "bounce" to it. Another advantage to this type of structural system, is that utility installations can be run between the webwork components. Never allow trades to cut or drill into the members of a truss, for they are manufactured precisely for the loading conditions they will undergo during the life of the building.
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.
Most popularly used in bathrooms, kitchens, laundry areas and entryways are vinyl sheet, or linoleum floorings. This type of flooring cones in a vast array of colors, textures and patterns, in sheet sizes of 12 foot widths with varying lengths, and made from a vinyl composite, covered with a surface coating. It is installed by applying covering over the sub-floor, usually mahogany or particle core sheets 4`x4` in size, to which the vinyl is glued to. It can also be installed directly onto concrete floors, in areas such as basements. Joining two sheets together is a standard practice when the room width exceeds 12`, or under doorways. Sheet vinyl is a good flooring in areas where water tends to accumulate, like around bathroom fixtures or at entry ways. It is fairly durable, and often maintenance free. Linoleum is one of the cheapest types of flooring to install.