Long lasting formula for concrete repairs in cold conditions
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Concrex® Cold Set has the same features as the traditional Concrex® with the added benefit of the ability to cure in low temperatures. Ideal for winter use and cold room conditions.
|Properties||Incredibly tough, granite–hard finish, chemical–resistant, anti–slip, priming not normally required, impervious and non-dusting, may be feather-edged, cures in 6–8 hours at ambient temperatures|
|Suitable for||Concrete, sand & cement and metal|
|Finish||Smooth, impervious surface|
|Interior or Exterior||Exterior, Interior|
|Primer required||Yes, Watco Tack Coat is recommended|
|Composition||Finely graded sand pre-blended with resin. A 10kg contains 4 small bottles of curing agent, a 25kg includes 2 large bottles of coloured curing agent|
|Coverage||10kg: 1.2m² at 5mm thick per 10kg. 25kg: 3m² at 5mm thick|
|Application tools||Steel float or trowel|
|Application||Trowel the mortar firmly into the repair|
|Curing time (at 0°C)||24 hours|
|Minimum application temperature||0°C|
|Pot life||Up to 30 minutes|
|Storage||Between 10°C - 30°C. Do not allow to freeze|
|Shelf life||12 months in unopened container|
|Principle limitations||Do not apply to wet surfaces. Watco Tack Coat should be used for application to damp surfaces before applying Watco Concrex Cold Set. Please refer to Watco Tack Coat data sheet for further information. These products should not be subjected to temperatures above 60°C|
|Cleaning tools||Use white spirit before product starts to cure|
Surfaces should be clean, dry and free of all loose material. Wire brushing or sweeping is generally sufficient. Watco Bio-D degreaser can be used to remove grease and oil. If the surface is damp, it can be primed with Watco Tack Coat.
The resin content of Watco Concrex Cold Set is very high. This means that a primer is not usually required when filling holes in concrete floors or resurfacing rough or damaged concrete. Watco Tack Coat adhesive primer is recommended when using Concrex Cold Set as a thin section screed over smooth surfaces. It is also recommended when repairing intricate/high impact areas such as broken floor joint edges, and damaged step nosings. Watco Tack Coat can also be used at the same low temperatures as Concrex Cold Set. Watco Concrex Cold Set should ideally be applied to a dry surface, but if the surface is damp Watco Tack Coat should be used as a primer.
Wear protective gloves. Watco Concrex Cold Set – The resin and the sand are already pre-blended. There are 4 bottles of grey curing agent supplied with a 10kg unit of Concrex Cold Set, and 1 tin of coloured curing agent supplied with a 10kg unit of Concrex Colours Cold Set. There are 2 larger bottles of grey curing agent and 2 tins of coloured agent in the 25kg packs The curing agent is added to the sand/resin at point of use, and once mixed the mortar should be used within 30-60 minutes depending upon temperature. Do not mix inside the plastic bucket. Tip the sand/resin into a mixing tray or on a board. Shake the bottles of curing agent until the liquid is a uniform grey. The tins of coloured curing agent should be stirred thoroughly. Form the sand/resin into a mound and leave a small hole in the middle. Empty the curing agent into the hole, ensuring the tin is completely drained. Carefully mix the aggregate with the curing agent using a trowel until a smooth mortar is obtained, this will take several minutes. The more thorough the mixing, the ‘wetter’, smoother and more manageable the mix becomes. Alternatively, you can knead the mixture by hand wearing suitable gloves. It is important to mix thoroughly until you achieve a consistent colour. A ‘Cretangle’ or suitable open pan mixer can be used to mix large quantities.
Trowel the mortar firmly into the repair and finish with a trowel or float. To get a good smooth finish, regularly wipe the surface of the trowel with a cloth dampened with white spirit. Watco Concrex Cold Set are normally applied at 5-50mm thick, but repairs can be feather-edged if most of the repair is at least 5mm thick.
Our chemists have developed cold curing products with the latest resin technology so you can continue with your repair projects all year round.All cold cure