Nynette Flooring July 31st, 2017 - 21:40:21
Strip floors, were once the most popular type of sub-floor installed. But with the introduction of manufactured sheathing products, it has become less utilized. Strip floors consist of 1" by 6" or 8" boards, placed diagonally over the floor joist framing system. It is slightly more expensive to install, and requires experienced tradesmen. To install such floors properly, the lumber should be non-kiln dried, with a relatively high moisture content. This may seem odd, but in reality, as the wood dries out, it will shrink.
All joists must extend at least 1-1/2" on to a bearing assembly, of either a beam or full height wall, unless metal hangers are installed to provide proper bearing support against other structural components. Beams, which support the floor joists over greater spans, are constructed in the form of laminated joists often referred to as built up beams, or one piece solid load bearing beams, cut from logs or manufactured. Electricians and plumber may often cut or drill into the joist work to install utilities, and this is accepted, so long as they do not remove more material than what is required by codes. This type of floor system is usually the cheapest to install.
Seventh, are you a do-it-yourselfer? Think through every step of the process to be sure that you can do it yourself. Usually the install can be done with relatively moderate skills and simple tools like a chop saw and rented flooring nailer. The finishing process is a whole different matter. The sanders and buffers take some special skills to operate. A normal price range for labor and materials to install a wood floor is $4-5 per square foot. It is possible to build your own sweat equity into a floor install. Maybe this is where you choose to use our engineered product for example because it is presanded to more accurate tolerances than a solid wood product. It can be touched up with a hand held orbital sander rather than industrial floor sanders. Then if you are doing the finish yourself, you will want to consider using a finish that may not require as much buffing between coats.
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.