While being fully waterproof, Unisil Flex has a good vapor permeability. It is in fact able to allow the evaporation of about 8 g per square meter of water each day. This means that, in case of application on not perfectly dry substrates, the protected materials can dry out during the following days.
As the product does not contain water, it is possible to apply it even in critical conditions for low environment temperatures. At temperatures below zero, the crosslinking of the product will stop, but the material will not be damaged.
The material is insensitive to water even prior to curing is complete. For this reason, even in case of rain immediately after the application, the laid material it is not damaged and polymerizes regularly *.
Unisil Flex is a protection with exceptional resistance to the most difficult environmental conditions. Tested in a climatic room, with thermal changes between -25 ° C and + 80 ° C, and subjected to intense UV radiation for 1,000 h, the material was not minimally damaged.
At the end of the test, Unisil Flex still has got a strain at break higher than 90% compared to the initial value.
The product has been formulated without the use of solvents and organic volatile substances.
Unisil Flex It is formulated without isocyanates.
Unisil Flex  has got a SRI particularly high index that allows its use to mitigate or eliminate the effect of heat island.
UNISIL FLEX has got 100% of dry residual. This means that it does not contain solvents or water to evaporate in order to allow the setting.
It is therefore possible to apply Unisil Flex even on not perfectly dry surfaces without affecting its crosslinking

* Small surface blemishes are possible, but simply remediable with a possible additional coat of product.

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