Today was all about preparing the floor framing and making sure that everything was able to support the wall framing, shower, hot water cylinder etc. In groups of 4, we were all given different task but with the same purpose. To measure, cut and fit extra blocking in between the joist. We were asked to measure and block with 6bys4s every 600mm across. Then run blocking in between of that so when our walls go up and sit above it, it gives us something to anchor and nail our frames on to.
-Measure in between the joist
-Add an extra 36mm for the over hang in the joist
-Cut, always cut behind the line
-Measure 40mm down and 18mm in on the corner and cut with hand saw
-Put in between joist and square upto the mark
-Using your square, make dead straight and tac just top nails in
-Correct if off then nail it home
Once complete, we were to add trimming joist between the joists that had been cut which supports an opening in the floor. Then we were to measure out where the hot water cylinder is to go. With a 300litre cylinder, blocking was needed to sit on the bearer and extra wood was nailed to that for more support. Cos in 10 years you dont want your cylinder to warp and sink from its own weight.
Solid blocking is very important to the building process. With wall frames, you need extra support in the flooring joist to stop the strand board (flooring board) from warping and sinking. Even such things as the shower. A section is cut out of the joist so you can lower the shower bottom into. So with all the supporting and blocking done, we are now ready to add the strand board.
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