Advanced Materials Research Vol. 899 (2014) pp 535-538 © (2014) Trans Tech Publications, Switzerland doi:10.4028/www.scientific.net/AMR.899.535 All rights reserved. No part of contents of this paper may be reproduced or transmitted in any form or by any means without the written permission of TTP, www.ttp.net. (ID: 158.196.209.137, VŠB-Technical University of Ostrava, Ostrava, Czech Republic-17/02/14,11:17:10) ( )⋅⋅⋅⋅≡ 536 EnviBUILD Buildings and Environment 2013 ( ) ⋅⋅⋅⋅ ⋅⋅⋅⋅ ⋅⋅⋅⋅ ⋅⋅⋅⋅ =≡ ⋅ = ( )⋅+ = = ⋅ = ⋅ = ( ) ( ) == ⋅+ = ⋅+ = Advanced Materials Research Vol. 899 537 538 EnviBUILD Buildings and Environment 2013