The Importance of Block Mortar in  Construction Block mortar, also known as block joint mortar, is a crucial component in the construction of buildings, walls, and other structures using concrete blocks, bricks, or stones. It is a mixture of cement, s…

In the UK, GGBS is normally supplied as a separate material and combined with Portland cement CEM I at the concrete mixer. However, it can also be blended with Portland cement clinker in a cement factory and marketed as ‘Portland-slag’ or ‘Blast furna…

GGBS proportions On its own GGBS hardens slowly and, for use in concrete, it needs to be activated by combining it with an activator (typically Portland cement CEM I but alkali activation is also used). A typical combination is 50% GGBS with 50% CEM…

The major use of GGBS is in ready-mixed concrete, and it is utilised in the majority of UK ready-mix deliveries. Specifiers are well aware of the technical benefits, which GGBS imparts to concrete, including: Considerable sustainability benefits Lower…

GGBS (Ground Granulated Blast-furnace Slag) is a cementitious material whose main use is in concrete and is a by-product from the blast-furnaces used to make iron . Blast-furnaces operate at temperatures of about 1,500°C and are fed with a carefully…