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Construction jacks

For adjusting of ceilings whether concrete-based girders or joists, props are used.
props are produced in three types:
1-prop measuring 3 meters
2-prop measuring 3.5 meters
3-prop measuring 4 meters
Maximum loading resistance of the above-mentioned prop is 1,500 kg. Screws for regulating jacks produced by tesko Company are rolling type. Its thread is manufactured by press without filling operations. This type of thread enjoys high resistance in against cutting and friction force. Using prop in adjusting more than 4 meters heights is not recommended. In this regard, using modular scaffolds seems appropriate technically.

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