Residential extensions and home renovations

H+H Celcon Blocks are a popular choice for building domestic extensions and small building projects.

They are lightweight and easier to handle than standard concrete blocks allowing for an increased build speed. 

Celcon Blocks can be used for both the internal and/or external leaf of cavity walls. Aircrete block walls are ideal for kitchen extensions where load-bearing cabinets or appliances need to be fixed to the wall.  

The structure of H+H aircrete also makes it ideal for constructing party walls. Party walls between adjoining properties should provide excellent sound insulation. Celcon Blocks offer excellent thermal and acoustic properties and easily pass the requirements of the latest Building Regulations. 

All Celcon Blocks are BBA certified, fire resistant (up to 4 hours on 100mm walls or up to 2 hours if loadbearing) and have been classified 0 surface spread of flame and non-combustible to Class A1 (the highest class).

Celcon Blocks are manufactured in 440mm x 215mm and are available in thicknesses from 75mm to 215mm. 

Celcon Blocks are supplied via our network of exclusive builders’ merchants. Find your local stockist (see bottom of this page).

For more on aircrete in RMI projects, go here