Adjustable Floor Joist Support System. Visit the supportworks website to learn more about the smartjack crawl space support system or check out the other crawl space. Get an affordable fix for failing floor joists. With an adjustable height range from 18mm to 36mm this support is particularly suited for renovation work floating floors or other projects with height restrictions.
Smartjack adjustable support posts is an affordable repair solution for the. Combined with a 50mm joist and the 25mm decking board this provides a ver y low 85mm clearance.
Supporting heights from 10mm 740mm the risers can bear loads up to 1000kg and come with a 20 year limited warranty.
The maximum height of the pedestals can be increased by inserting additional 9mm extender rings into the base or use in conjunction with the multi level 3560 version above. Ideal for use on our collection of composite decking boards. Cutting joists to fit the width of the deck will determine the joist types needed. Our adjustable decking cradle provides joist support with infinite adjustment between 10 40mm.