View source for Materials:(Flynn) Knudson KR-24

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<big><big>Division C - Accepted Materials</big></big>
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<big><big><big><big><big>Knudson KR-24</big></big></big></big></big><br>
<big><big><big>by Flynn Canada 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"
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| 
;'''Manufacturer''': Flynn Canada 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''': Knudson
;'''Panel Name''': Knudson KR-24
;'''Seam Type''': Mechanical Lock

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 Knudson KR-24 is an on-site continuous panel metal roofing machine. Panel profiles vary from 300 mm (12") to 500 mm (20") wide with a seam height of 38 mm (1 1/2"). Panels are produced with two stiffening flutes. 

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''': Standing seam panels employ a hidden fastening system for securement to a solid substrate. Panels are seamed together with a mechanical seamer. 
#'''Range of application''': On wood or metal sloped roofs; in commercial, institutional, industrial and residential construction; for re-roofing or new construction. 
#'''Fasteners (Screws)''': 
## Wood Decks: Fasteners to be #10 x 22 mm (1") long pancake head type A plated.
## Steel Decks: Fasteners to be #8-16 x 22 mm (1") long self-drilling, self tapping wafer head, plated screws.
#'''Panel Clips''': 
##'''Wood Decks: 
##*Panel clip to be Knudson 22 ga one piece assembly 87.5 mm (3 1/2") wide 47.6 mm (1-5/8") high. One panel clip spaced at 762 mm (30") on centre. Two fasteners per panel clip used, inserted into panel clip guide holes. Fasteners to be #10 x 22 mm (1") long pancake head type A plated.
##*Two piece assembly to be used for longer panel lengths, clip to be Knudson 22 ga 87.5 mm (3 1/2") wide 47.6 mm (1-5/8") high. One panel clip spaced at 600 mm (24") on centre.
##'''Steel Decks''':
##*Panel clip to be Knudson 22 ga one piece assembly 87.5 mm (3 1/2") wide 47.6 mm (1-5/8") high. One panel clip spaced at 600 mm (24") on centre. Two fasteners per panel clip used, inserted into panel clip guide holes. Fasteners to be #8-16 x 22 mm (1") long self-drilling, self tapping wafer head, plated screws.
##*Two piece assembly to be used for longer panel lengths, clip to be Knudson 22 ga 87.5 mm (3 1/2") wide 47.6 mm (1-5/8") high. One panel clip spaced at 600 mm (24") on centre.
#'''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 1:4 (3" 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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