ASM Details:E1.7.1 (Underlayment / Modified Bitumen Ice Dam Protection)

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ASM Details:E1.7.1 (Underlayment / Modified Bitumen Ice Dam Protection)

RoofStar Guarantee Standards are blue-linked
ASM Details

8.1.4.1.1.jpg

1 WORK INCLUDED

(1) Underlayment
Proprietary underlayment installed perpendicular to the slope with 50 mm (2") minimum side laps and 100 mm (4") minimum end laps.
(2) Ice and Water Protection
One ply of accepted self-adhered modified bituminous membrane.
(3) Edge Metal Flashing
Installed to manufacturer's printed instructions.
Note:
  • This specification is only applicable to slopes 1:3 (4" in 12") or greater
  • Slip sheet not shown for clarity

2 RELATED WORK BY OTHERS

(A) Acceptable Deck


NOTE: Refer to RoofStar Guarantee Standards for additional requirements.



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