47 dakbedekking

Bitumen onderlaag: https://www.soprema.be/nl/product/waterdichting/bitumen-dakbedekking/onderlagen/ventiglass-pb-3-tf 

Bitumen toplaag: https://www.soprema.be/nl/product/waterdichting/bitumen-dakbedekking/toplagen/sopralene-techno-venti-4-af-c1-fr-cool-roof  

EPDM: https://www.resitrix-epdm.be/nl-be/resitrix/resitrix-sk-partial-bond