|Subject Area||Construction Products|
|Year of Declaration||2005|
|Number of Pages||10|
|Price||TT $96.00 + VAT|
Specifies requirements for vertical core, hollow building blocks, hereinafter called hollow blocks or blocks, made from clay, shale, fire clay, or mixtures thereof, and fired to incipient fusion. This standard covers two grades of hollow blocks that are classified as Grade 1 and Grade 2. The physical property requirements of this standard apply to hollow blocks at the time of purchase. The use of results from the testing of blocks extracted from masonry structures for determining conformance or non-conformance to the property requirements (see clause 5) of this standard. It does not apply to hollow blocks intended for use as paving blocks.