Roofing contractors specializing in quick turnarounds understand the importance of cleanliness post-installation too. http://panarkadiko.eu/ns/index.php/2013-08-09-06-17-04/2014-04-08-06-32-51/2016-03-08-07-41-20/4675-diavoulefsi-texnikon-prodiagrafon-atidrastiria-me-synodo-eksoplismo-gen-aimatos-dek-ktl