Garland Roofing Overview AIA Test

1) The built-up roof (BUR) consists of
From Slide #4

A. A rubber material that is laid as one ply and typically 45-60 mils thick
B. Alternating plies of bitumen and felts
C. Polyurethane foam that is sprayed into place
D. A system that has the insulation on top of the waterproofing membrane

Please click the correct answer to advance to the next question.