| http://www.w3.org/ns/prov#value | - nvention provides a coating composition for substrates, and, in particular, porous substrates, especially porous substrates which can be handled or manipulated after coating. [0041] In some aspects, the invention relates to building materials, including ceiling tiles and the like, which exhibit improved cuttability as shown by low levels of flaking and/or chipping. [0042] The present invention pro
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