Calantha Flooring August 16th, 2017 - 21:49:20
Truss floors are simply that. They are constructed from small dimensioned lumber, interconnected in a webwork pattern by the use of metal or wood plates. Occasionally, the trusses will be built on site, utilizing plywood plates to connect the webwork together. Generally they are installed 24" apart, either suspended on bearing walls or beams, or installed with plywood trim or rim joists around the perimeter. Strapping is installed on the bottom side, to prevent turning in place, which is a common ailment for deep truss components.
The manufactured joist, which is a relatively new product, is often manufactured from low cost materials in the shape of an I beam, similar to steel beams in larger buildings. What this means is that the joist is constructed with a thicker top and bottom edge, and generally interlocking aspenite vertically spanning between the two. These systems are very strong, often capable of spanning the entire width of the building.
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.
Are you going to be able to enforce the warranty? Also, do you really think that a finish can last a lifetime? For example take a nail and try scraping it across the surface. Sure it is a durable, well applied finish, but it is impossible to make a product that won`t get abused at some point in its lifetime. Do you think that the only serious trial your floor will ever see is a stinky sock? Read the fine print on the warranty and regardless of what it says consider the true replacement cost on the floor. It probably only covers the cost of material of the specific damaged product under normal wear and tear. Your product may not be made exactly the same later (trends and product lines change) to replace the section that is warrantied, so you may have to replace the whole floor years later. You will have labor cost along with displacement of trim, cabinets, and appliances. Also most of these lifetime finishes cannot be repaired or sanded because of a micro bevel put on the edge of prefinished floor. Our advice is instead to buy a quality product that can be refinished and repaired because something will go wrong in the lifetime of the floor; don`t get a false sense of security.