This well made film from 1950 clearly explains the principles of framing roof rafters including jack, cripple, hip and valley. Excellent film! / @16mmeducationalfilms
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@weldonpinder72953 жыл бұрын
This was a great video on these principles. I wish they would've shown not just the information but also cut the rafters and lay them in position at the same time. But a video like that would be hours