Facing brickssEptEm 7045

Technical data sheets

Color description: The colour is lightgrey
Manufacturing dimensions (L x W x H): ca. 227x73x55 mm (LxWxH)
Quantity / m² with a traditional joint: 63 (12 mm)
Number / m² with a thin joint: 71 (6 mm)

sEptEm 7045

Lightgrey ecological moulded brick

This lightgrey sEptEm 7045 with subtle shading carries our ECO-7-size label and it is also part of our Kaliber series. In addition, it's produced according to the popular wasserstrich method. Unlike a classic Waal format which is 10 cm deep, this facing brick is 7 cm deep, which means that it leaves more room for insulation or living space.

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Technical data sheets

References

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Reference list sEptEm 7045

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Postal code	City	Street	Bond	Joint
9290	Berlare	Frankrijkstraat 53	Random bond	4 mm
1140	Evere	Rue de Paris 64	Random bond	12 mm
9790	Wortegem-Petegem	Meganckstraat 1	Random bond	6 mm
9052	Zwijnaarde	Heerweg-Zuid 138	Random bond	6 mm

Postal code	City	Street	Bond	Joint
9290	Berlare	Frankrijkstraat 53	Random bond	4 mm
1140	Evere	Rue de Paris 64	Random bond	12 mm
9790	Wortegem-Petegem	Meganckstraat 1	Random bond	6 mm
9052	Zwijnaarde	Heerweg-Zuid 138	Random bond	6 mm

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How to Install ?

Preparing the substrate

What should you pay attention to before you start paving?

Any loose soil should be removed so that work can start on solid ground which is sufficiently water-permeable.
Depending on the substrate, a non-woven geotextile should be installed in order to prevent fine material in the sub-foundations from rising up. This is definitely recommended in the case of clayey or loamy soil.

How do you provide proper drainage?

A minimum slope of 1 to 2% is recommended. The water should always run away from the building. If the water is collected by a (slotted) gulley, then that gulley is to be cleaned out thoroughly at least once a year in order to ensure that proper drainage is maintained.

When are sub-foundations required?

It will depend on the stability, quality and compactness of the substrate as to whether or not sub-foundations need to be laid. The excavated thickness of loose soil can be backfilled with crushed stone which is compacted. So the actual foundation works will start with a solid and water-permeable sub-foundation layer in order to avoid subsequent subsidence.

Preparation of the construction site

Quality brickwork starts with the proper storage of the materials. Provide a firm level base so that bricks are not in contact with rain and/or dirt.

As clay is a natural material, successive production runs of the same kind of bricks may present colour variations and size tolerances.

The following precautions will help minimizing this:

Always order the full amount of bricks required for a specific site. In this way, the entire order can be made during one production run.
Try to have the full order supplied at one time. If this creates several deliveries, always mix a number of packs from the previous delivery with a number of packs from the new delivery. This procedure is especially recommended in case of re-order or for an additional order.
Take bricks diagonally across the pack.
Draw and use bricks from at least five different packs.
For setting out, use bricks from the delivery made to the site in question. Do not exclusively use the theoretical dimensions of the brick, or samples previously supplied, or different production run from that intended for the site.
As soon as the bricks arrive on site, check delivery tickets and certificates against the specification and order. Also check that there are no visible inconsistencies with the order.
Do not lay bricks in freezing weather or protect the ‘fresh’ masonry with insulating mats in order to avoid frost damage to the mortar.
In the case of prolonged dry hot weather, lightly dampen the newly laid brickwork to stop the mortar drying and curing too quickly.
Do not lay bricks in precipitation in order to prevent mortar from running on the wall.

Avoid Efflorescence

Brickwork is sometimes marred by white bloom. This efflorescence is usually caused because bricklaying is done under unfavourable weather conditions. The necessary protective measures are often not implemented due to a tight schedule and fast building pace. In very wet conditions, water in soluble substances can result in efflorescence on the surface. In spring as well as autumn, after a wet period (when the brickwork has dried again), soluble substances can rise to the surface as a result of moisture transport. After evaporation of the water, a white bloom is left behind. (Source: Efflorescence on brickwork – Heidelberg Cement Group)

Efflorescence on brickwork is always likely to occur. There is no brick - or combination of a certain brick with a specific mortar - that is absolutely efflorescence-free. By taking a few simple precautions, the risk of efflorescence can be reduced.

During and after laying, protect the newly built brickwork for a height of at least 60 cm - but ensure there is airspace between the brick face and the waterproof covering.
Provisionally install rainwater down pipes to avoid saturation of the newly laid brickwork
Never lay bricks in driving rain conditions