Comparativo entre sistemas de impermeabilização em poliuretano e manta asfáltica: estudo de caso

Abstract

Waterproofing is one of the main causes of problems in construction. The knowledge of this subject is extremely important to avoid pathologies and, thereafter, big costs. There are several types of waterproofing available in commerce for different types of places. It is the consumer’s decision to choose the one that offers the best performance in cost/benefit. According to this idea, from the case study performed in the Residencial New Life construction site and the bibliographies from several authors, this essay has, as a main purpose, to compare two big products usually available in the market, the Asphalt Coating and the Polyurethane Membrane. Taking into account that both waterproofings can be applied in flexible surfaces, therefore allowing both to be applied with the same scope conditions, their comparison was based in their characteristics, performances, advantages and disadvantages, runtimes and market costs, concluding that Polyurethane Membrane is a more satisfying waterproofing when compared to the Asphalt Coating.