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CIB W116—Smart and Sustainable Built Environments - Test Input

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Table 2 shows that, quantity of raw material is not provided by manufacturers for the survey of W1<br />

<strong>and</strong> W2. Besides, raw materials used by W2 <strong>and</strong> W3 are imported from abroad. Liquid waterproofing<br />

materials have only mixing process, while manufacturing in local facilities. Thus, energy consumed<br />

by raw material acquisition <strong>and</strong> preparation couldn’t be obtained by manufacturers of W2 <strong>and</strong> W3.<br />

Additionally, information about quantities of natural resource depletions was not supplied by all<br />

participant manufacturers.<br />

2.3.3 Results for thermal insulation materials<br />

Table 3 shows that, among the all types of material manufacturers in Marmara Region of Turkey,<br />

thermal insulation material manufacturers provided the least information. Only six manufacturers<br />

were determined for five thermal insulation materials. Only one manufacturer participated to the<br />

survey. Therefore, EPS is the only material that represents thermal insulation materials.<br />

Table 3: List of thermal insulation materials <strong>and</strong> inventory analysis results<br />

Codes Thermal insulation materials Manufacturers Missing data<br />

T1 Exp<strong>and</strong>ed polystyrene (EPS) L, M 3 R / E / N<br />

T2 Extruded polystyrene (XPS) M 1 , M 2 , M 3 , F 5<br />

T3 Glass wool M 1<br />

T4 Mineral wool M 1<br />

T5 Polyurethane foam N<br />

According to results of Table 3, T1 has deficient information for its further evaluations on survey. For<br />

instance, amount of raw materials, amount of natural resources <strong>and</strong> type of natural resources used in a<br />

unit of product were not informed by the manufacturer of T1.<br />

Due to lack of technological potential of chemical industry in Turkey, raw materials for stren based<br />

thermal insulation, such as EPS imported from abroad. Manufacturer of T1 does not know well about<br />

environmental impacts of processes for acquiring <strong>and</strong> preparing the raw materials. Therefore, they<br />

cannot provide information about embodied energy of T1. In order to solve this problem in another<br />

way, LCA survey was sent to foreign supplier to gather more information; however they refused to fill<br />

out the survey.<br />

2.3.4 Results of cladding materials<br />

According to list of cladding materials used on external wall systems in Istanbul, thirteen different<br />

types of cladding materials <strong>and</strong> fifteen regional manufacturers were determined. At the end of the<br />

study, nine manufacturers for ten cladding materials were accepted to join to survey.<br />

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