DFE-5. CSI 3-Part Specifications.

	BITUMINOUS FLASHINGS
	Specification DFE-5

Base Flashing

For non load-bearing construction (alternate) [See also DFE-1 (NLB)]

General

This flashing specification is an alternate detail to DFE-1 (NLB) for use on non load-bearing construction, or where there is any potential for differential movement between the deck and the parapet or wall. The vertical wood curb should be fastened to the deck only.

Note: All general instructions contained in the current JM Commercial/Industrial Roofing Systems Manual shall be considered part of this specification.

Preparation for Flashing: Any previously installed metal cap or counterflashing must be lifted or removed, to permit application of the expansion joint cover.

Application

Base Flashing: Refer to Flashing Specification DFE-1 (NLB) for detailed instructions on application of the base flashing.

Metal Cap Flashing: The metal flashing should be installed in accordance with the metal manufacturer’s specifications and details, or in accordance with SMACNA procedures. It should overlap the base flashing a minimum of 4" (102 mm).

Surfacing: DynaFlex requires no additional surfacing.

For an identical copy of this specification, ask for RS-4223.