Primer is a mix bitumen composition dissolved in water or solvent for coverage of surfaces or foundations for the installation of prefabricated insulation ISOGUM can be used. Isofundo is a kind of tar dissolved in petroleum solvents which is after applying to the surface and evaporation of the solvent a layer of viscous bitumen film and insulation against heat of itself leaves behind.
Prefabricated insulation installed on surfaces that are not very smooth or contaminated with dust Particles, will not result in a good quality. Primers can be used for surface preparation before performing isolation. Also regarding the supply of this product which is
as a paste or liquid, possibility of coating inaccessible surfaces can be done by using primers.