Robinson's system called for standard 2x4 lumber, nailed together to form a sturdy, light skeleton. It utilizes long continuous framing members (studs) that run from sill to eave line with intermediate floor structures nailed to them, with the heights of window sills, headers and next floor height marked out on the studs with a storey pole. Unabridged Balloon Framing. (600 mm) depending on the loads supported and the type and thickness of the wall finish used. If the rim board is only nailed to the framing will it be strong enough to support the 2nd story floor? [citation needed], Exterior finishes for walls and ceilings often include plywood or composite sheathing, brick or stone veneers, and various stucco finishes. The creation of a path for fire to readily travel from floor to floor. These members, referred to as studs, wall plates and lintels, serve as a nailing base for all covering material and support the upper floors, ceiling and roof. This second top plate usually laps the first plate at the corners and partition intersections and, when nailed in place, provides an additional tie to the framed walls. A strip of polyethylene is often placed between the interior walls and the exterior wall, and above the first top plate of interior walls before the second top plate is applied to attain continuity of the air barrier when polyethylene is serving this function. It’s not a traditional way of framing a house—there is no denying that—but from an energy efficiency standpoint, it’s worth it. Credit is due under the terms of this license that can reference both the New World Encyclopedia contributors and the selfless volunteer contributors of the Wikimedia Foundation. [citation needed] For example, many 19th-century New England working neighborhoods consist of balloon-constructed three-story apartment buildings referred to as triple deckers. Whereas workers can readily reach the top of the walls being erected with platform framing, balloon construction requires scaffolding to reach the tops of the walls (which are often two or three stories above the working platform). Why Are A, E, I, O, U, And Y Called “Vowels”? This spacing may be changed to 12 or 24 in (300 or 610 mm) on center depending on the load and the limitations imposed by the type and thickness of the wall covering used. Balloon and Platform Framing Advanced – This framing method, also known as Optimum Value Engineering (OVE), is a type of platform framing that makes better use of lumber. The platform, also provides the lateral support against wind and holds the stick walls true and square. Expert insights on techniques and principles. We Asked, You Answered. “Epidemic” vs. “Pandemic” vs. “Endemic”: What Do These Terms Mean? Lintels (or, headers) are the horizontal members placed over window, door and other openings to carry loads to the adjoining studs. Insulation beyond that which can be accommodated within a 3.5 in (89 mm) stud space can also be provided by other means, such as rigid or semi-rigid insulation or batts between 1.5 in × 1.5 in (38 mm × 38 mm) horizontal furring strips, or rigid or semi-rigid insulation sheathing to the outside of the studs. (38 x 89 mm) studs spaced at 16 or 24 in. The studs are attached to horizontal top and bottom wall plates of 1.5 in (38 mm) lumber that are the same width as the studs. The roofs are then covered with other materials in order to help keep the weather out. Framing, in construction known as light frame construction, is a building technique based around structural members, usually called studs, which provide a stable frame to which interior and exterior wall coverings are attached, and covered by a roof comprising horizontal ceiling joists and sloping rafters (together forming a truss structure) or manufactured pre-fabricated roof trusses—all of which are covered by various sheathing materials to give weather resistance. Many credit George Snow with creating the balloon frame building in the 1880s. Oxford English Dictionary Second Edition on CD-ROM (v. 4.0) © Oxford University Press 2009. Floor joists can be engineered lumber (trussed, i-beam, etc. Wood will shrink much more across its grain than along the grain. [7] The following year, Augustine Taylor (1796-1891) constructed St. Mary's Catholic Church in Chicago using the balloon framing method. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Platform framing was traditionally limited to four floors but some jurisdictions have modified their building codes to allow up to six floors with added fire protection. Wall sheathing, usually a plywood or other laminate, is usually applied to the framing prior to erection, thus eliminating the need to scaffold, and again increasing speed and cutting manpower needs and expenses. ), conserving resources with increased rigidity and value. The main difference between platform and balloon framing is at the floor lines. These members, referred to as studs, wall plates and lintels, serve as a nailing base for all covering material and support the upper floors, ceiling and roof.[1]. The preferable spacer material is rigid insulation. Others, such as rigid glass-fiber, asphalt-coated fiberboard, polystyrene or polyurethane board, will not. This type of construction is the most difficult, but does provide unobstructed openings between the floors allowing for easy installation of utilities without notching and cutting openings. And balloon framing utilized these new materials. This spacing may be changed to 12 or 24 in (300 or 610 mm) depending on the loads supported and the type and thickness of the wall finish used. [22], The main difference between platform and balloon framing is at the floor lines. (38 x 89 mm) studs at 16 in. The alternative to framed construction is generally called mass wall construction, where horizontal layers of stacked materials such as log building, masonry, rammed earth, adobe, etc. Interior partitions supporting floor, ceiling or roof loads are called loadbearing walls; others are called non-loadbearing or simply partitions. The most common framing technique in modern residential construction is platform framing, in which each story is framed on top of the previous one. “Trusses” are engineered to redistribute tension away from wall-tie members and the ceiling members. Use of minimal structural materials allows builders to enclose a large area with minimal cost, while achieving a wide variety of architectural styles. One of the first balloon framed buildings that Snow built was the St. Mary’s Church. This frame is made out of wooden studs that are placed at even distances in order to distribute the building’s weight. These members provide a nailing support for wall finish, door frames and trim.[4].

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