More window models:
https://3dsky.org/collection/shared/5271367 

Collection of plastic windows with wooden slope and radiator screen
Two color options:
– graphite + oak
– white + light oak
Three widths – 120/200/300cm fixed and hinged doors

3dsmax 2013 and FBX file with Vray materials
3dsmax 2013 and FBX file with Corona materials
Preview materials from Corona
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The materials are compatible with older versions of Corona all CoronaPhysicalMtl are additionally duplicated by CoronaLegacyMtl

For Vray versions below 3.1 some materials may not be displayed in MatEditor and during rendering. To fix this set the value to Blinn in the BRDF section.