List of featured suppliers of BLOCKS AGREMENT CERTIFICATE HOLDERS BS EN 771 on Building Products Index
Blocks can refer to a variety of solid pieces made from materials such as concrete, clay, or stones, which are often used in the construction of structures. Agrement certificate holders can refer to individuals or organizations that have received certification from an accreditation body, indicating that they have met certain standards and qualifications related to their field. BS EN 771 is a set of technical standards established by the British Standards Institution for the testing and classification of masonry units, including concrete blocks, clay bricks, and natural stones.