A-JOINT PRO

A-JOINT^® PRO is a water-permeable, frost and de-icing salt resistant paving joint mortar, which is particularly suitable for narrow and extra wide joints due to its self-compacting properties and high flowability.

A-JOINT^® PRO prevents weed growth in the joints and is designed for traffic loads up to 12 tons. It is applicable to almost all natural stone and concrete block pavements in new construction and renovation.

A-JOINT^® PRO minimizes maintenance and accident hazards while beautifying urban parks, pedestrian areas and public squares as well as private patios, walkways and traffic paths, pool and pond surrounds.

neutral

stone grey

basalt

Properties

Sustainable, self-compacting and fast jointing solution
Prevent Weed and abrasion-resistant
For joint widths from 3 mm
For joint depths from 25 mm
workable in drizzle and soil temperature from 0°C
Fast traffic release up to use category N3

Consumption calculator

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Processing instructions:

Preparing the site

The joints must be cleaned of weeds, roots and loose parts without leaving any residue and cleared to a depth of at least 25 mm (2/3 of the stone height for traffic load). The surface to be grouted must be freed from all dirt. Adjacent areas that are not to be grouted should be masked or covered.To avoid settling and loose stones, we recommend a permanently water-permeable and load-bearing substrate corresponding to the subsequent load (pay attention to the current standards and guidelines).

We generally recommend the bonded construction method.

Pre-wetting

Pre-wet the entire surface extensively. Higher soil temperatures and absorbent, open-pored rock requir more intensive pre-wetting. Generally, use clean and cold water.

Filling the joints:

Pour the finished mixture onto the well pre-wetted surface. Work in the jointing compound carefully and as diagonally as possible to the joint using a rubber squeegee. To make the most of the flowability, it is recommended to divide this mixture into two to three portions. Mix the remaining joint compound again briefly. Keep the surface constantly wet during this work.

Cleaning the surface:

After approx. 10-20 minutes, sweep the stone surface carefully and diagonally to the joint with a mediumcoarse street broom. If white gel-like streaks form on the stone surface, the correct sweeping time has not yet been reached. Then remove the remaining mortar residues with a fine coconut broom. Material that has been swept off should no longer be used. Be aware that chamfers (bevelling of the side edges) on slabs and pavers must be exposed.

Important

Resin film: After grouting with A-JOINT^® PRO, a thin resin film remains on the stone surface, which intensifies the stone colour and protects the stone from dirt. This resin film usually disappears over time due to weathering and use of the surface. If in doubt, create a small test area. The synthetic resin film is not a design defect, as neither the quality nor the functionality of the joint is affected.

Application notes: Use A-Joint ^® Pro only with a stable, load-bearing and permanently water-permeable substructure or a slope of at least 2%. The application is only recommended in well ventilated areas. Please wear adequate protective clothing. Tools should be cleaned with water during and after application.

Regularly remove dirt, leaves and moss from the joint surface.

All fillers are natural products and are subject to natural colour variations. Our information is based on years of experience and the current state of the art, but is non-binding and does not constitute a contractual legal relationship.