For the week of 03/13/2016
First correct answer gets a box of “Now that you’ve had an inspection books.”
Balloon framing was popular for a time and a fast way to build a structure but it gave way to platform framing.
What statements below are false?
Balloon framing was better because:
It was easier because of the work platforms which were part of balloon framing?
It was more fire resistant?
It had lower heating costs?
There was less shrinkage as the building dried out?
1, 2, 3, 4, or all the above.
This seems like a very easy and comprehensible question to me. Answer the highlighted statements.
Roy your photo is a poor excuse for a balloon framing example.
That cathedral ceiling could have been created using a scissor truss with the proper lateral bracing and tie down hardware for the extended wall studs to the truss.
This is balloon framing.
Balloon framing has several disadvantages as a construction method:
The creation of a path for fire to readily travel from floor to floor. This is mitigated with the use of firestops, now called fireblocks, at each floor level.
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.
In certain larger buildings, a noticeable down-slope of floors towards central walls, caused by the differential shrinkage of the wood-framing members at the perimeter versus central walls.
Larger balloon-framed buildings will have central bearing walls which are actually platform framed and thus will have horizontal sill and top plates at each floor level, plus the intervening floor joists, at these central walls.
Wood will shrink much more across its grain than along the grain. Therefore, the cumulative shrinkage in the center of such a building is considerably more than the shrinkage at the perimeter where there are many fewer horizontal members.
This problem, unlike the first three, takes time to develop and become noticeable.
Present-day balloon framing buildings often have higher heating costs, due to the lack of insulation separating a room from its exterior walls. However, this can be remedied through the addition of insulation, as with any other framed building.
"Now" if one can answer the question properly, he will get the “Now” Books.