The use of the ETICS is covered by a specific technical standard: the ETAG 004 Guideline for Technical Approval of External Thermal Insulation Composite Sys-tems With Rendering, issued by EOTA European Organization for Technical Ap-provals; so all application should include approved systems, with the ETA Euro-pean Technical Approval marking, which raised from an Approval Body. From the design point of view, ETICS are differentiated according to the methods of fixing: bonded ETICS, bonded ETICS with supplementary mechanical fixings, mechanically fixed ETICS with supplementary adhesive, purely mechanically fixed ETICS. There are also different types of substrates (masonry walls [made from units of clay, concrete, calcium silicate, autoclaved aerated concrete or stone]); in situ or prefabricated concrete walls; wood structures. ETICS components are many and can be very different from one system to one other: basically are adhesive (dry mortar, powder requiring addition of extra binder, paste requiring addition of cement, ready-to-use paste), with more or less organic resin; insulation product (basically EPS, mineral wool, and wood wool; but also cork, XPS, Polyisocyanurate (PIR), Phenolic Foam, and others); rendering system, made by reinforcement (glass fiber, or plastic mesh – standard or rein-forced – or metal lath, or dispersed fibers embedded or dispersed in render coat-ing), render, formed by base coat, key coat, finishing coat and/or decora-tive/protective coat; mechanical fixing devices and ancillary materials and com-ponents, as window’s sill, corners, joint-covers, sealants, mastics and so on. So, due to the complexity of the structure and number of performances required, in the case of emerging pathologies the checking for causes is very difficult.

The Pathologies of the ETICS

LEMBO, Filiberto;MARINO, Francesco Paolo Rosario
2016-01-01

Abstract

The use of the ETICS is covered by a specific technical standard: the ETAG 004 Guideline for Technical Approval of External Thermal Insulation Composite Sys-tems With Rendering, issued by EOTA European Organization for Technical Ap-provals; so all application should include approved systems, with the ETA Euro-pean Technical Approval marking, which raised from an Approval Body. From the design point of view, ETICS are differentiated according to the methods of fixing: bonded ETICS, bonded ETICS with supplementary mechanical fixings, mechanically fixed ETICS with supplementary adhesive, purely mechanically fixed ETICS. There are also different types of substrates (masonry walls [made from units of clay, concrete, calcium silicate, autoclaved aerated concrete or stone]); in situ or prefabricated concrete walls; wood structures. ETICS components are many and can be very different from one system to one other: basically are adhesive (dry mortar, powder requiring addition of extra binder, paste requiring addition of cement, ready-to-use paste), with more or less organic resin; insulation product (basically EPS, mineral wool, and wood wool; but also cork, XPS, Polyisocyanurate (PIR), Phenolic Foam, and others); rendering system, made by reinforcement (glass fiber, or plastic mesh – standard or rein-forced – or metal lath, or dispersed fibers embedded or dispersed in render coat-ing), render, formed by base coat, key coat, finishing coat and/or decora-tive/protective coat; mechanical fixing devices and ancillary materials and com-ponents, as window’s sill, corners, joint-covers, sealants, mastics and so on. So, due to the complexity of the structure and number of performances required, in the case of emerging pathologies the checking for causes is very difficult.
2016
978-981-10-0465-0
978-981-10-0466-7
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11563/127247
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