Microspheres form part of the range of additives to be used in addition to Resina 3+ to obtain compounds with different characteristics. They have low moisture absorption and can therefore be used for applications above and below the waterline. Ideal for filling horizontal cracks, small surface imperfections, stucco finish and edging. Designed to obtain a range of low specific weight fillers, easily sandable, the consistency of which can be altered according to operator needs.