Shoring Floor Joists

Finally many pros have praised luxor s ibs2000 an interlocking bridge system sized especially to fit between the flanges of i joists for quick added stiffness.

Shoring floor joists.

Tack a beam under the sagging joists. Set a hydraulic jack and post under the beam and jack up the joists about 1 8 in. Instead it may be an issue with joists and beams below your floor that require shoring up. Adding that extra layer makes a big difference tom says.

A layer of 3 4 in. Nailing two 2x4s together will work to span about three joists unless the sag is under a weight bearing wall. Measure the width between the span of two joists. Jacking them up too fast may cause cracks in the walls and floors overhead.

Place the lumber block between the two joists. In some cases pouring floor leveling compound will fix the problem. All gateway industries joists beams stringers are compatible with all major aluminum shoring systems including aluma systems aluma beam aluma stringer aluma strongback and jasco s hi lite beam hi lite stringer and patent construction harsco patent joist patent stringer and symons joist symons beam and safway joist safway stringer and waco scaffolding beam waco stringer etc. Thre ways to fix a sagging or sloping floor add reinforcing metal.

Crawl space floor below to take some weight off the joists until the adhesive cures in a day or two. A day until they re level. Depending upon the conditions it is possible to strengthen or repair existing framing members such as floor joists or roof rafters by adding reinforcing material. Cut a piece of 2 by 6 or 2 by 8 lumber according to the width.

Nail the block in place with 16d.