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STAIRS Handrails   Handrails provide stability and security for the young, the old, the blind, and the infirm. In addition, handrails are a safety feature for anyone who uses a stairway—one of the most likely and dangerous places for people to trip and fall. In terms of safety, the most important design feature of a […]

NEWEL POST Surface Anchored 2 Alternatives The advantage of the skirt over the housed stringer (see 217B) is the ease of construction. A disadvantage is the potential for minor opening of butt joints at the ends of treads and risers due to minor movement of the structure. A more involved hybrid strategy that limits this […]

Hangerboard Supports Top of Stair stud of SuppORTiNG wALL   GypsuM wallboard OR OTHER FiNiSH wall   1x FiNiSH STRiNGER   FiNiSH RiSER TRiMS TO STRiNGER.   FiNiSH TREAD TRiMS TO STRiNGER.   BLOcKING BEHiND wALL FiNiSH   2x spacer nailed to studs carriage nailed to spacer   CARRIAGE FRAMING/SIDE WALL Continuously Supported Stair HEADER […]

Most stairs are site-built because it is economical and because the process provides a temporary stair for construction. But in some cases, stairs prefabricated in a shop are more practical. Prefabricated stairs (see 213C), whether simple or complex, can be made more solidly and precisely than site-built stairs because they are made in the controlled […]

The basic structure of the stair depends primarily on whether the stairway is to be located inside or outside and whether it is to be protected from the weather or not. The wood-stair details discussed in this chapter can be employed for either interior or exterior stair­ways, although the location will suggest basic detailing differences […]

Stairs may be classified into two basic structural types: continuously supported and freespanning. Continuously supported stairs—Continuously supported stairs are commonly used as interior stairs. Both sides of the stairway are supported by wall framing, so calculations of spanning capacities are not necessary. These stairs are site-built in some regions, but are predominantly prefabricated in others. […]

The shape or configuration of a stairway is determined primarily by the circulation patterns of a building and by available space. Virtually any configuration of stairway may be constructed using the standard details of this chapter by merely breaking the stairway into smaller pieces and reassembling them. Several typical configurations that are worthy of note […]

S tairs do not really support or protect a building in the same way as foundations, floors, walls, and roofs, but this book would be incomplete without them. Stairs are the vertical connectors of the parts of the building. Most buildings require a few steps just to enter the main floor, and stairs connect any […]

SUPERiNSULATED CEiLiNG   SUPERiNSULATED CEiLiNG   VENT cHANNEL FOR BLOwN-IN iNSULATiON   VENT CHANNEL FOR BLOWN-iN iNSULATiON   raised-heel TRUSS SEE 198   RiGiD iNSULATiON BAFFLE   STANDARD TRUSS OR RAFTER WiTH TiE   RiGiD iNSULATiON WiTH R-VALUE EQUAL TO CENTRAL pORTiON OF MAiN cEiLiNG   blocking between TRUSSES TO prevent ROTATION   SUpERiNSULATED wALL […]