Notes

2 By 4 Houses and Construction - Pros and Cons
2 by 4 houses have been in existence for the number of years, therefore widespread may be the name "2 by 4″ that we now have very few people that haven't at the very least heard of it before and understand what it can be. However, the 2 main by 4 itself is this is the name from the dimensional lumber, climax often for this construction method of the same name.
The 2 by 4 construction method will be the system of house-framing through which they use - while you probably guessed - 2 by 4s, and various "2-by" lumber including 2 by 6, and a couple of by 8. The difference between the 2 main by 4 method and other more conventional methods would be that the former primarily uses shear walls or structural diaphragms to resist lateral loads whilst the latter often uses only diagonal bracing, or perhaps a blend of both.
For those that aren't knowledgeable about how 2 by 4 houses are manufactured, I'll explain some with the basics and also the primary differences between them plus more conventional houses:
2 by 4 - Shear wall panels are (usually, but not always) pre-assembled offsite, labeled based on an accompanying diagram, after which transported towards the building site where they may be put into their respective positions. These wall panels in many cases are manufactured in sizes so that anyone can come up it and move it around. Wall panels are either made with or without their diaphragm prior to placing into actual position according to transport and handling restraints.
faux brick wall covering - Wall studs are inserted between main posts or columns, and plywood (or equivalent) is nailed you aren't fastened in their mind after the fact.
2 by 4 - The nail pitch of the structural plywood that's nailed to the two by 4 studs is usually 75 millimeters round the perimeter and 150 millimeters down the center stud. This is assuming the typical wall panel width of 910 millimeters (center to center of outer studs) with 2 by 4s going across the perimeter as well as a single stud going down the center at 455 millimeters.
Conventional - While there in many cases are sections in the house that incorporate shear walls to resist lateral loads, as these walls aren't the alpha and omega in terms in the structural integrity with the house, the nail pitch is usually about 100 millimeters round the perimeter resulting in 150 or 200 millimeters along the center stud.
2 by 4 - Wall panels are developed with structural plywood around the outer face, with sheetrock eventually finding its way to the inner, interior face. Because 2 by 4 houses rely so heavily on his or her shear walls for structural integrity, even the fastening from the sheetrock boards for the interior face from the wall studs is factored into the required shear strength of the final structure. Consequently, sheetrock board screws in addition have a screw pitch of 75 millimeters, and they are required to be staggered from screws of adjacent sheetrock boards to increase the structural integrity and holding power from the wall stud.
Conventional - Sheetrock screw pitch is approximately 200 millimeters - only what's important to maintain your board fastened stiffly on the wall studs since it does not have any structural requirements.
All in all of the, 2 by 4 houses have proven themselves to be structurally sound and basically the one sort of all-wooden structure that may be built greater than 2 floors - although this ultimately depends about the shape and floor with the first floor. The question of if they should use or not to make use of the two by 4 method is dependent upon several factors.
- You'll need sufficient, sheltered area to pre-assemble the wall panels and store them until it is time to transport them to the building site. Transport vehicles needs to have an on-board crane that to unload the wall panels directly on top of the surface with the first floor.
- You'll also need a crane or wrecker competent at placing wall panels to the second floor (truck's on-board crane more than likely defintely won't be sufficient) - if you do not have adequate man-power to do this without heavy machinery.
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