METHOD FOR THE PRODUCTION OF PERFORATED BRICKS COMPRISING HOLE SEALS AND BRICKS PRODUCED BY THAT METHOD
The artificial slab, especially a vertically perforated brick (1) has holes blocked by mortar closure pieces which are on the inside, placed apart from both surfaces (6,7) of the stone. The holes are partly filled with pourable filler material onto which a layer of closure material is placed, when t...
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Zusammenfassung: | The artificial slab, especially a vertically perforated brick (1) has holes blocked by mortar closure pieces which are on the inside, placed apart from both surfaces (6,7) of the stone. The holes are partly filled with pourable filler material onto which a layer of closure material is placed, when the filler material is removed. After the bricks have been made, the closure pieces made of hardening material, are produced |
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