The shale from which slate originate were deposited previously on clay beds . Subsequent earth movements tilted these beds of shale, at first horizontal, and the intense metamorphism that converted these into slates folded and contracted them . Talaan ng mga pagpipilian, then, belongs to the metamorphic group of rocks and can be defined as a fine grain rock derived from clays and shale and possessing a cleavage that permits it to be split into thin sheets . INTERIOR use only slates are designates with an “I” or “interior” on specification sheets . EXTERIOR use is labels as either “E” or “exterior” on specification sheets .
Ang katangian voids sa Travertine ay sanhi ng gases kasalukuyan kapag ang bato ay sa nilusaw ng estado. These voids appear as holes in the tiles and are either filled during the fixing process or at the factory . Marble Polishing ng Orlando restoration process may involve filling an entire floor or random tiles that have these voids . fill ay alinman sa isang anyo ng grawt o isang epoxy dagta pagpuno. Ring magsagawa ng aming mga manggagawa crack pag-aayos, grawt pag-aayos, grawt pagpapanumbalik para marumi grawt lahat ng kung saan ay tapos na batay sa antas ng pagbabalik sa dati ay nangangailangan ng iyong partikular na ibabaw at ang tapusin ang nais ninyong.