| Balloon Framing |
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The main difference between platform and balloon framing is at the floor lines. The balloon wall Studs extend from the Sill of the first story all the way to the Top Plate or End Rafter of the second story. The platform-framed wall, on the other hand, is independent for each floor. Balloon framing has three disadvantages as a construction method. The first is the creation of a path for fire to readily travel from floor to floor. This is mitigated with the use of firestops at each floor level. The second is the lack of a working platform for work on upper floors. 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). The requirement for long framing members is the third disadvantage. Balloon framing has been outlawed by Building Codes in many areas because of the fire danger that it poses. Ballon framing does not readily or simply lend itself to the additional span of patio or French Doors ( usually 60"+ ). Todays Framing Procedures as well as ...usually 24" centres in older homes will mean Shoring, care and thought should be taken prior to removing ANY of the original framing. Proper Upper and Lower framing/support is a must for the new header. Not a week-end do-it-yourselfer type project. See Also: Platform Framing |
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