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Use #GaLaBau2020

gardening. landscaping. greendesign.

16 - 19 September 2020 // Nuremberg, Germany

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Exhibitors & Products GaLaBau 2018




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The decorative grit and gravel hardener

Dried and dust free grit and gravel ( grainsize from 5/8 to 32/56 mm | 3/16" - 5/16" to 1 1/4" - 2 1/4" ). *1

• colourfast

• UV and water resistant

• suitable for do-it-yourself

• strengthens gravel and grit ( also suitable for white stones )

• can be applied from > 7 ºC | > 44,6 ºF surface temperature

• for pedestrian loads

• for joint depths from 30 mm | 1 3/ 16"

• highly water permeable

• frost and de-icing salt resistant

• odour free


1 component special synthetic resin for washed


Construction site requirements:

Superstructure and substructure must be water permeable. The subsurface should be built according to the expected traffic loads. Future loads must not result in any settling of the surface.


The surface to be strengthened should be prepared with a depth of at least 30 mm | 1 3/16", the subsurface should be firm. Adjoining surfaces that are not to be strengthened are taped off. Dusty, dirty gravel/grit should be washed and fully dried. ( If moisture/damp are present then there may be a reductionin strength! )


50 kg | 110,2 lbs ( 2 x 25 kg | 2 x 55,1 lbs ) of clean and dry gravel / grit are put into the concrete or gravity mixer and the mixing process is started. Add the 1 kg | 2,2 lbs component slowly and completely whilst mixing. Total mixing time at least 5 minutes.


Pour the mixture onto the prepared surface, if necessary pre-distribute using a shovel and then use a levelling batten ( use a gauge ) to create at least 30 mm | 1 3/16" of layer thickness and an even height. Compact the mixture using a light vibratory plate or a smoothing trowel and make the surface smooth. Good compacting is vital, to ensure the longevity of the end product!

Subsequent treatment:

The freshly strengthened surface should be protected against rain for 24 hours.

The rain protection should not be laid directly onto the surface so as to allow air to circulate.

Important instruction:

In case of doubt, before entire work is carried out, lay a sample surface. Washed gravel /grit ( grainsize from 5/8 to 32/56 mm | 3/16" - 5/16" to 1 1/4" - 2 1/4" ) must be fully dried, if moisture/damp are present then there may be a reduction in strength. Suppliers of suitable, ready washed and dried grit / gravel are available from your ROMEX® - Team.


Surfaces subjected to heavy loads ( i.e. treepits/grates in public areas )should be laid using a surface depth of at least 5 cm | 2". Immediately after the surface has hardened,the ROMPOX® - DEKO-binding agent that has been used, is applied undiluted to the stone surface as a sealant, using a brush or fur roller. This results in an even better surface strength. Requirements for the sealing are approx. 200 - 300 ml / m 2 | 0,05 - 0,08 gal/sq ft.

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