Fixing Floor Joists To Bearers

Floor joists replacement and bearers repairs are delicate and sometimes very tricky.

Fixing floor joists to bearers.

5 run a string line along the joist. Previous step next step. C b e a r e r m a i n p e r i m e t e r. 7 secure the second joist.

Like bearers floor joists may be single span or continuous span. They were generally spaced at 450 mm centres across the bearers and supported at their ends on the foundation wall plate or bearer fixed to the top of the concrete wall. 6 measure and mark for the second joist. Subfloor bearers need to be strong enough to hold the rest of the floor up.

Floor joists floor joists were typically 150 x 50 mm or 200 x 50 mm but the size could range between 100 x 50 mm and 250 x 50 mm according to span. Typically the floor joists run over the tops of bearers however they may be attached to the sides of bearers. Fixing flooring to steel joists. Pryda joist strap is a simple bent metal strap with an inbuilt nail and nail holes for fixing with 35 x 3 15 mm galvanised pryda timber connector nails.

They can be made of timber or steel. Features it is ideal for connecting timber members at right angles such as floor joists to bearers hanging beams to ceiling joists rafters to beams purlins to rafters or trusses. To do this just repeat steps 10 and 11 and work your way along the bearers. 8 secure the other joists.

Now you re ready to secure all the joists to the bearers. 4 fix the first joist. Wollongong campus practical activity for bearers and joists. Limited access low clearance from the ground debris and old forgotten building material under the floor make the joist repair challenging.

They are supported by the bearers. In addition where there is only a single joist span in the full width of a house every second joist shall be fixed at its ends using a framing anchor with 3 2 8 mm nails to each leg. Floor joists shall be nominally fixed to bearers or supporting walls at every crossing using a minimum of 2 75 x 3 10 mm skew nails. Strip and sheet flooring can be gun nailed or screw fixed to the steel joists in.

Floor joists are the next series of members for the sub floor frame. Bearers 2 90x45 joists 90x45 joist span will be 1450 joist centres 450mm i was planing on skew nailing the joists to the beaers using 100mm twist nails but after practicing on some offcuts i didn t like the results seemed to be quite a weak fixing this could be poor technique.