Interaction between plasticized polyvinyl chloride waterproofing membrane and extruded polystyrene board, in the inverted flat roof

A. Pedrosa; M. Del Río; C. Fonseca

doi:10.3989/mc.2014.008913

Autores/as

A. Pedrosa Universidad Politécnica de Madrid
M. Del Río Universidad Politécnica de Madrid
C. Fonseca Universidad Politécnica de Madrid

DOI:

https://doi.org/10.3989/mc.2014.008913

Palabras clave:

Cubierta plana invertida, Plancha de poliestireno extrusionado, Impermeabilización, Migración de plastificantes, Membrana monocapa

Resumen

La cubierta plana invertida es un sistema constructivo muy utilizado en las cubiertas planas. En esta solución constructiva, el aislamiento se coloca sobre el material impermeabilizante a modo de protección. Se cree que esta solución proporciona un ciclo de vida más largo; dado que se limita la variación térmica de la impermeabilización hasta el final de su ciclo de vida. En consecuencia, el resultado proporciona una vida más larga a la membrana impermeable. Esta solución constructiva siempre incorpora polímeros u otros materiales con adición termoplástica en su composición. Algunos polímeros muestran interacciones entre ellos que pueden afectar a su integridad, además, la mayor parte de los materiales poliméricos son incompatibles. La plancha de poliestireno extrusionado está siempre presente en la cubierta plana invertida, y aunque es un producto inmejorable para este uso, presenta incompatibilidades e interacciones con otros materiales, y estos pueden afectar a sus propiedades, y por lo tanto a la durabilidad de los mismos.

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