Materials:(Aurora) Knudson KR-12
Materials:(Aurora) Knudson KR-12
| The metal panel listed and described below is accepted for use in the RoofStar Guarantee Program. |
The roofing assembly / material information published below and in the 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-12 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").
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): Panel clip to steel attachment to be No. 12-16 by 22 mm (1") long self- drilling, self-tapping, hex-washer head plated steel screws used without sealing washers. Two fasteners per panel clip used, inserted into panel clip guide holes.
- Roof Deck Fasteners (Panel Clips):
- Two-part assembly consisting of a No. 16 MSG min thick coated steel base approximately 47.6 mm (1-7/8") wide and 40.9 mm (1-5/8") long and a No. 22 MSG min thick coated steel upper tab section. Fastened 600 mm (24") O.C. Height 61 mm (2-7/16") min, 75 mm (3") max, width 108 mm (4-5/16") Knudson Manufacturing Inc. - "KR-24 Low-Floating Clip" or "KR-24 High-Floating Clip."
- One-part assembly, No. 22 MSG min coated steel. Height, 59 mm (2-3/8") min, 75 mm (3") max, width 75 mm (3") Knudson Manufacturing Inc. - "KR-24 Low-Fixed Clip" or "KR-24 High-Fixed Clip", fastened 600 mm (24") O.C.
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
- Wind Uplift Standards: Engineered designs to resist wind uplift may refer to the British Columbia Building Code, Div. B, Appendix C, Table C-2 which lists various types of loads, including wind loads, for specific reference locations throughout the province. See also Guides and Notes (Wind Resistance) for a simplified calculation procedure. Regardless of the resources indicated here, the Design Authority is responsible to perform accurate wind load calculations and specify securement requirements.
- Materials:RoofStar (RGC) accepted metal panel systems shall be formed of steel conforming to the standards published in the RoofStar Guarantee Standards for ASM Roof Assemblies.