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<big><big>Division D - Construction Details</big></big>
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<big><big><big><big><big>ASM | Roof-Wall Connection (Head-wall, Vented) ([[ASM_Roof_Systems_Standard#10.3.2.3. General Application Requirements for Perimeters and Walls | Article 10.3.2.3.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''ASM Details'''</big></div>
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=== WORK INCLUDED ===
;(1) [[ASM Roof Systems Standard#PART_8|'''Underlayment''']]: Applicable for all Architectural Sheet Metal systems.  For slopes less than 1:3, the entire roof slope must be covered with a <u>self-adhered</u> underlayment.
;(2) [[ASM Roof Systems Standard#PART_8|'''Ventilation material''']]: A ventilation space is required on slopes less than 1:3; entangled mesh (shown) may be used as void fill.  The ventilation space facilitates drying as condensation forms on the underside of the metal panels.
;(3) [[ASM Roof Systems Standard#PART_9|'''Metal Panel Clip''']]: Installed to metal roof panel manufacturer's printed instructions.
;(4) Bearing plate: Used to support clips and distribute dead and live loads when direct contact with a solid substrate is not possible.
;(5) [[ASM Roof Systems Standard#PART_9 |'''Architectural metal roof panel''']]
;(6) [[ASM Roof Systems Standard#PART_10 |''''Z'-Closure''']]: Set in acceptable sealant and secured with compatible, non-corrosive, flat head fasteners.
;(7) Perforated ventilation metal: Mechanically fastened to wall and 'Z'-closure.  The outer edge serves as a hook for the roof-wall metal flashing.
;(8) [[ASM Roof Systems Standard#PART_10 |'''Sheet Metal Flashing''']]: Hooked to perforated ventilation metal and fastened to wall with non-corrosive, flat head fasteners 300 mm (12") o/c or preformed foam closures set in acceptable sealant with high domed gasketed cladding type screws at each standing rib. 
;(9) [[ASM Roof Systems Standard#PART_13 |'''Metal Counter Flashing''']]: Must extend behind wall system and wall control layers. Stucco stops are not considered to be a counter flashing.

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=== RELATED WORK BY OTHERS ===
;(A) [[ASM Roof Systems Standard#PART_2|'''Acceptable deck''']]
;(B) '''Wall control layers''': must be positively lapped with roof materials and flashings, to maintain continuity across systems.
;(C) '''Wall cladding''':
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'''NOTE''': See the [[ASM Roof Systems Standard | '''Standard''']] for additional requirements.

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