Telescopic Cranked Underfloor Ventilators and Airbricks are used to ventilate the void beneath for floor.
‘T’ shaped block profiled to fit between the beam bearing ends over the supporting wall, to avoid the need to cut blocks/bricks to size.
Closure blocks are available in four sizes (215mm, 440mm, 345mm and 540mm) all have a minimum compressive strength of 10N/mm2 and can be used with our ‘beam and block’ (215mm and 440mm) and TS (345mm and 540mm) flooring systems.
Manufactured in accordance with BS EN771-3 (Specification for masonry units – aggregate concrete masonry units. (Dense and lightweight aggregates)) with a minimum compressive strength of 10N/mm².
