This is a dense aggregate concrete block from Holcim UK, sized 440 x 215 x 100mm and supplied in a natural finish. Designed as a cellular type block, it is made for versatile use where strength and reliable performance are required, suiting a range of masonry applications in domestic and general building environments.
Commonly used for housing projects, this 7N block can be incorporated into both internal and external walls, as well as partition structures. Its practical cellular design supports efficient construction and aids handling on site. Blocks are typically laid with the voids facing down to maximise stability and ensure ease of laying during wall building or infill work.
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