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**pooncophy** · 11-06-2010, 11:30 AM

We run 10mm metal bar through the hallow blocks (which are lower quality than cinder blocks

) on a 12" grid for the walls on a couple building projects so far. I really don't like that manner of construction... but it's what is common here.

Later, for a water tank up on the hill we poured solid concrete walls with more metal bar, 6" grid IIRC. Even though there was some confusion as to the thickness of the walls (so they ended up 2" thicker than necessary) and some bending of the forms due to low quality wood forms (so even thicker than that in some places)... the cost wasn't much more than the hallow block construction for a similar wall area. Definitely going that way on all future construction. Probably will even end up replacing the hallow block walls at some point when I get the chance.

11-06-2010, 11:30 AM	#18
pooncophy Join Date Oct 2005 Posts 498 Senior Member	We run 10mm metal bar through the hallow blocks (which are lower quality than cinder blocks ) on a 12" grid for the walls on a couple building projects so far. I really don't like that manner of construction... but it's what is common here. Later, for a water tank up on the hill we poured solid concrete walls with more metal bar, 6" grid IIRC. Even though there was some confusion as to the thickness of the walls (so they ended up 2" thicker than necessary) and some bending of the forms due to low quality wood forms (so even thicker than that in some places)... the cost wasn't much more than the hallow block construction for a similar wall area. Definitely going that way on all future construction. Probably will even end up replacing the hallow block walls at some point when I get the chance.
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