A siloxane emulsion in an organic solvent for block paving, concrete and precast units. The film is transparent and does not change the colour of the surface - the manufacturer notes only a possible slight matting.
Surface
Block paving
The surface the manufacturer intends this preparation for.
EH-14 is the solvent-based counterpart of EH-17: a siloxane emulsion in an organic solvent, intended for block paving, concrete and precast concrete products.
The solvent gives deeper penetration into dense concrete, but sets a condition the water-based version does not have: substrate moisture below 5-6 %. On damp concrete the product will not bond properly.
The film is transparent and does not change the colour - the manufacturer notes only a possible slight matting. Drying 1-2 hours at 20 °C, substrate temperature 5-20 °C.
The usual reason a sealing job fails is not the product but the substrate. A sealer will not bond to a surface with grease, lime efflorescence or an old coating on it.
New paving has to season first. Manufacturers state that period on the data sheet - usually around 28 days from the date the block was made. The figure for each product is under "Technical data".
Before sealing the whole area, test on a patch hidden by a planter or in a corner of the patio. The same product can read differently on two batches of the same material, and on a surface with old coating left on it, it will not bond at all.
That depends on the finish given in the technical data. An invisible product leaves the colour alone, a wet-look version deepens it permanently, and a colour sealer gives it a new shade. Each product's finish is listed under "Technical data".
By how the water behaves. While it still beads on the surface, the treatment is working. Once water starts soaking in and dark patches return after rain, the protection has worn out. We do not quote a number of years, because it depends on traffic, sun and whether the drive is salted in winter.
No. Water occupies the pores the product is meant to enter, and stays trapped under the film. The result is often a milky bloom that cannot be removed without stripping the coat. The exceptions - products that allow slight surface dampness - say so in their technical data.
Use the calculator under the product description: it takes the manufacturer's coverage figure, the number of coats and the absorbency of the substrate, and turns them into pack sizes. On older, thirstier paving, work to the lower end of the coverage range.
Penetrating products form no film on the surface and do not change its grip. Where a manufacturer says something about slipperiness, we quote it in the technical data. If the surface is already slippery, the right product is an anti-slip treatment, not a sealer.
The simplest method is a sheet of polythene taped down tightly and left for a few hours: droplets underneath mean the concrete is still giving off water. On larger jobs a moisture meter is used.
EH-17 is water-based, less demanding about moisture and easier to work with. EH-14 is solvent-based and penetrates dense concrete more deeply, but needs a dry substrate and ventilation.
The technical sheet and safety data sheet will be available after approval.
This product has no stated coverage yet, so we cannot work out the requirement.
The manufacturer states consumption by volume: block paving and concrete 0.20-0.35 l/m², precast concrete 0.20-0.25 l/m².
The calculator starts once the manufacturer states the coverage.
An impregnation will not bond to a surface with anything left on it. This is the most common cause of complaints.
Go directly to the right category. We do not imply compatibility across materials.