Fundamentals of Building Construction
6th Edition
ISBN: 9781118138915
Author: Edward Allen
Publisher: WILEY
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Chapter 5, Problem 3RQ
To determine
Write the differences between balloon and platform framing, the advantages and disadvantages of each framing, and what is the reason behind why the platform framing is a method of choice.
Expert Solution & Answer
Explanation of Solution
Write the differences between balloon and platform framing:
| Balloon framing | Platform framing |
| A single piece of stud is utilized between the sill and the rafter plate. | In this type of construction, studs are interrupted by the floor platforms. |
| Need to add fir-stop | It provides a fire-stop between floors. |
| The potential of shrinkage is less. | Shrinkage is uniform. |
| It provides less safe work surface. | Storey height panels facilitate transport and site handling. |
The advantages and disadvantages of balloon framing are as follows:
- It has good vertical stability.
- The moisture movement is less due to the absence of cross-grain.
- Studs and joists do not align.
- Cross-grain movement will occur in interval walls.
The advantages and disadvantages of platform framing are as follows:
- Short members are required for the studs.
- Easy and fast to construct.
- It has uniform cross-grain moisture movement throughout the building.
- Only temporary protection can be provided while the erection of walls.
Reasons behind choosing platform framing are as follows:
- The construction of this type of framing is easy and cost effective.
- It provides better resistance against fire.
- This framing automatically stops fire.
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