Concrete blocks explained…


Concrete blocks are made using a variety of natural or man-made aggregates.


There are three basic types: • ultra-lightweight


• lightweight • dense


All types deliver low cost solutions f for homes and buildings. They also deliver:


• • good acoustic performance


• thermal mass that helps keep you cool • durability


summer and warm in winter. Ultra-lightweight Lightweight Dense Website: cba-blocks.org.uk *Consult manufac manufacturer for density and thermal conductivit ty values. in Block type


density Typical


kg/m 850 1400 1900+ 3 *


Compressive 2


N/mm strength


3.6 - 7.3 3 6 - 22 3.6 - 22 7.3 - 40


conductivity thermal Typical


W/mK 0.28


0 60 0.60 1.33 *


Concrete blocks are available in a ran


nge of widths.


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