The area beneath the concrete block was dugout to a depth of 400mm and crushed rocked placed and compacted with the blunt end of a crow bar. In order to stop the double concrete blocks from moving away from each other, they were glued utilising "liquid nails".
Sub-frame has been nogged out with additional floor joist placed at 450mm centers and whole structure is quite rigid.
Love the nail gun.
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Concrete blocks have been liquid nailed together and are placed on compacted crushed rock. |
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