The installation of modified bitumen roofing shall comply with the provisions of this section.
Modified bitumen membrane roofs shall have a design slope of not less than one-fourth unit vertical in 12 units horizontal (2-percent slope) for drainage.
MODIFIED BITUMEN ROOFING MATERIAL STANDARDS
|Acrylic coating||ASTM D6083|
|Asphalt adhesive||ASTM D3747|
|Asphalt cement||ASTM D3019|
|Asphalt coating||ASTM D1227; D2824|
|Asphalt primer||ASTM D41|
|Modified bitumen roof membrane||ASTM D6162; D6163; D6164; D6222; D6223; D6298; CGSB 37-GP-56M|
Modified bitumen roofs shall be installed in accordance with this chapter and the manufacturer's instructions.