Heating and melting of bitumen rolls (foundations) - antiradone waterproofing

This video shows how the waterproofing bitumen rolls are melted for insulating of the baseboard. This arrangement (1x GLASBIT G200 S40) is suitable for insulating against ground moisture (not splashing or pressurized water) and radon insulation.
Music :
Breaktime - Silent Film Light by Kevin MacLeod is licensed under a Creative Commons Attribution licence (creativecommon...)
Source: incompetech.com...
Artist: incompetech.com/