View source for Materials:(M. Kirk) Mechanical Lock

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<big><big>Division C - Accepted Materials</big></big>
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<big><big><big><big><big>Mechanical Lock</big></big></big></big></big><br>
<big><big><big>by Mack Kirk Roofing & Sheet Metal Ltd.</big></big></big><br>

{| class="wikitable"
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| style="background-color: #ffffcc; column-width:100%" | The metal panel listed and described below is accepted for use in the '''''RoofStar Guarantee Program'''''.
|}
{| class="wikitable"
|-
| 
;'''Manufacturer''': Mack Kirk Roofing & Sheet Metal Ltd.
;'''Contact Address''': See the current Membership list and contact information at [http://www.rcabc.org/members/find-a-member/ www.rcabc.org]
;'''Product Group - Standing Seam Metal Roof System'''
;'''Panel Machine''': New Tech Machinery, Model SSH 2070216
;'''Panel Name''': MK Mechanical Lock
;'''Seam Type''': Mechanical Lock
;'''Date of Acceptance''': January 20, 2022

The roofing assembly / material information published below and in the [http://{{SERVERNAME}}/index.php?title=Main_Page RCABC Roofing Practices Manual] DOES NOT represent a complete set of the manufacturer's published data, nor does it represent a detailed specification. The preparation of a detailed specification is the responsibility of the design authority.  For more information about this product or system, consult the manufacturer.
|}

====OVERVIEW====
The New Tech SSH 2070216 is an on-site continuous panel metal roofing machine. Panel profiles vary from 300 mm (12") to 508 mm (20") wide; stiffening ribs are standard. 

On-site roll forming provides for the elimination of end laps with continuous panel forming capabilities in lengths up to nominal 46 m (150'). 
====SYSTEM DESCRIPTION====
#'''General''': The ''MK Mechanical Lock'' is a mechanically locking, concealed fastener roofing panel, secured with independent standing clips. The panel can be formed in any width between 300 mm (12") to 508 mm (20").  The male leg locks along the entire length of the panel and does not rely upon clips to provide additional locking.
#'''Range of application''': on wood or metal sloped roofs; in commercial, institutional, industrial and residential construction; for re-roofing or new construction. 
#'''Fabrication''':
##Unless otherwise shown on drawings or specified herein, fabricate panels in continuous one piece lengths and fabricate flashings and accessories in longest practical lengths. 
##Roofing panels shall be factory formed or site formed.
##Verify prior to fabrication. 
##If field measurements differ from drawing dimensions, notify Architect / Professional Engineer prior to fabrication.
#'''Fasteners (Screws)''': Fasteners used to attach panel clips to steel to be No. 10 - 16 pancake head, No. 2 Phillips drive, No. 3 self-drilling point steel screws.
#'''Panel Clips''': One piece assembly, No. 22 MSG min. thick, 88 mm (3½") high. One panel clip spaced at 600 mm (24") on centre for Class 90.
#'''Deck Requirements''': in keeping with the [http://rpm.rcabc.org/index.php?title=Standard_for_Architectural_Sheet_Metal_(ASM)_Systems Standard for Architectural Sheet Metal (ASM) Systems].

====PROFILE====
N/A

====TECHNICAL DATA SHEET====
N/A

====SITE CONDITIONS====
#Minimum roof slope is 1:6 (2" in 12"). Severe conditions (heavy snow or ice) minimum slope is 1:1.5 (8" in 12"). 

====PERFORMANCE REQUIREMENTS====
<ol>
<li>'''Wind Uplift Resistance''': Panel securement shall conform to the requirements in [https://rpm.rcabc.org/index.php?title=ASM_Roof_Systems_Standard#PART_3 Part 3] of the [http://rpm.rcabc.org/index.php?title=Standard_for_Architectural_Sheet_Metal_(ASM)_Systems Standard for Architectural Sheet Metal (ASM) Systems].
<li>'''Materials''':RoofStar (RGC) accepted metal panel systems shall be formed of steel conforming to the requirements published in [https://rpm.rcabc.org/index.php?title=ASM_Roof_Systems_Standard#Section_9.2._Materials Section 9.2.] of the Standard.
</li></ol>

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