| 摘要 |
A roof jack system that provides a safety barrier that is conveniently installed upon and removed from a pitched roof. The roof jack system includes a guard assembly that is releasably attachable to an auxiliary support assembly of a first embodiment of the present invention that is secured to an existing roof jack. Alternatively, the guard assembly is releasably attachable directly to a roof jack according to a second embodiment of the present invention.
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