Nynette Flooring August 04th, 2017 - 18:16:09
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.
Most commonly installed are interlocking sheathing panels. This type of sheathing is generally 5/8" thick, and manufactured as either plywood or aspenite (commonly referred to as "chipboard") in 4` x 8` sheets. The sheets come with the long edges designed to interlock with a tongue on one edge, and a grove on the opposing edge. They are installed by simply pushing or pounding the sheets together, and nailing or screwing them to the joist work, in the same manner as raw sheathing. It is often the cheapest to install.
Another good flooring for wet areas is the vinyl tile. Typically it is manufactured in much the same way as sheet vinyl, but is much more rigid and comes as 12"x12" square units. They are installed in the much the same way, but require skilled tradesmen, familiar with proper installation. A good installer will start from the middle of the room to ensure that all cut tiles are equal in width at opposing walls. One advantage to this type of flooring, over sheet vinyl, is that it is can be installed, without danger of joint separation, over large areas. For this reason, it is often used in commercial buildings where large rooms are the norm. Vinyl tile can also be easily installed directly to concrete floors. Like vinyl sheets, it too is resistant to water, and tends to be installed in the areas of a building, prone to water accumulations. Tile, can be easily cleaned, is relatively maintenance free, and one of the cheaper finished floors to install.
If your price-point is not even in the same zip code, maybe it is in a different state, start shopping other options. For example if you are in the $1-2/sf range look at the deep discounters or laminate options. The FSC certified 12mm exterior birch plywood that we use to manufacturer the engineered flooring costs us that much alone, not counting all the other labor and materials.