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the_monkeys's avatar

I want to adress the factor of brick quality. Extruded bricks are of way higher quality and dimension in general. Back in the day regular field-burn bricks went into the walls not to be seen and a higher grade was placed on the outside. When I open a wall of mine they are all uniform (Reichsformat) but most of them look like a toddler could do them better. Today they are still graded (mostly depending on their position in the kiln) but even the lowest ones are nicer than the best field-burn bricks where. As why field-burn bricks are cheaper, a quick google search will show you.

Also a huge factor: Despite being energy intensive, bricks are often still made locally. They have imense shipment costs. Therefore the rising labor and energy cost in the last third of 20th century should also go into the equation.

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Paul Crovella's avatar

I was involved in an interesting experience in cost of masonry/transport in Brazil. We were building a relatively large industrial plant in a remote location, for a multinational client. The drawings showed a block wall made from a standard module size block. All of the local block fabrication was artisanal, lacking any industrial fabrication facility. The contractor laid up a completely non-uniform wall with local block, and then parged the entire surface, and struck off faux mortar joints in an exact module dimension.to perfectly match the drawings. Apparently this was a common local practice, and the additional labor of the parging/striking was less than the cost to bring in uniform sized block...

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