2 Piece Adjustable Steel House Jack Post For Foundation Leveling 19 To 36 Inch Extension Built Like A Tank 4400 Pound Load Capacity Black Premium Zinc Coated Support Column

Heavy Duty Adjustable House Jack Posts For Basement Support
✔️ Includes 4400 lb capacity and M20 safety locking threads

This two piece kit of adjustable steel support columns quickly levels uneven floors and stabilizes weakening foundations during DIY remodels. Builders trust these foundation jacks to temporarily brace porches, prop up heavy stair stringers, or anchor crawl space framing while swapping out rotten timber.

✅ Handles up to 4400 pounds per unit without bending
✅ Extends from 19.7 to 33.5 inches for custom height matching
✅ Features double carriage locks for steady load distribution
✅ Coated in premium black zinc to resist rust and corrosion
✅ Secured with an included M20 nut and pin system

💡 What distinguishes heavy duty steel jack posts from generic leveling columns?
Proper load ratings and threaded adjustment mechanics dictate how well frames transfer stress safely.
- dual collar design actively fights vibration during drywall installation
- wide metal bases distribute compressive force onto solid concrete slabs
- protective zinc finish shields inner joints from damp basement air

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