Optically, the bricks of the “Ghent” series – much like our “1707 Antique” series – could easily pass as bricks from the previous century. With their natural surface and the broad colour spectrum from typical brick red through earthy brown to elegant blue, they look as if they have been made by hand. Since these particularly high-quality hand-made facing bricks are also available in two different formats (normal format and thin format) and as clinker strips (normal format and thin format), they are ideal for new buildings in the style of past centuries or renovations.
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Rainwater penetrates through the masonry and washes out the efflorescent components of the mortar.
Sulphates and carbonates migrate to the outside when the unprotected masonry dries out and crystallize on the surface.
The result is that there are unwanted white spots (efflorescence) on the facing brick.
OLFRY masonry with efflorescence protection
The efflorescence protection, with its molecularly fine, water-repellent layer (approx. 2–4 mm), acts like a protective shield: rainwater can only enter through the joints.
The pores and capillaries of the brick remain open even with efflorescence protection, so the block remains breathable. The moisture in the joints can penetrate unhindered into the brick via the bearing surface – the brick retains its important function as a moisture buffer.
When the masonry dries, the stored moisture migrates as water vapour through the capillary system to the outside again. However, since water vapour does not transport soluble sulphates and carbonates, these do not penetrate to the surface, as is the case with unprotected bricks. And the successful result is naturally beautiful bricks without unsightly efflorescence.
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