i had my 1800sqft cape cod home done last summer. it also has a extension with a flat roof on 1/2 of the upstairs.
had complete tear off on both roofs, added 6 vents to the flat roof with 50year shingles and it was a tick under $10K.

Last edited by Mr T2U; 11/05/20 08:23 AM.
perception is 90% of reality