A Different Product in Thermal Insulation;

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Although recently searching devoted to the alternative energy sources increases in our country having limited energy sources based on fossils, important steps were extended to save energy by applying the effective precautions. Hence, the effective thermal insulation applications have speed up especially in new constructions.

Thermal insulation products such as EPS and XPS polystyrene foam, glass wool and rock wool etc. are commonly used in our country. In addition to this, European Community Directives were become valid and the new arrangements were made in our relevant national laws based on these directives. After these arrangements, thermal insulation performances of these types of materials gain much more important. Also, the technical properties of these materials such as fire resistance, compressive strength, capillarity, water vapor permeability and sound absorption are the considerable facts, too. This case caused acceleration to new investigations for both improving the current thermal insulation product properties and developing new insulation materials.

In this paper, pre-inventions of a thermal insulation material with high performance, long service life, economic and easily applicable carried out in SDU Pumice Research and Application Centre are discussed in detail. This research material is actually an inorganic based plaster. This plaster proves the suggested technical properties in TS EN 998-1 and is a lightweight aggregated plaster in “T Category” according to this standard. Physico-mechanical analysis results of samples casting in laboratory conditions were evaluated according to TS EN 998-1. In respect to this, the developed plaster indicates basically these technical properties; T1 category thermal insulation class, A1 class of fire resistance and non-combustible, CSI - CSII class compressive strength, W0 class capillary water permeability, low water vapor diffusion resistance, high adhesive strength and easily applicable any type of surfaces.

Key Words
Lightweight aggregate, inorganic binding, high thermal insulation, foam plaster

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