Materials:(Laing) Quadro Snap Seam

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Materials:(Laing) Quadro Snap Seam

Division C - Accepted Materials

Quadro Snap Seam
by Laing Roofing Ltd.

The metal panel listed and described below is accepted for use in the RoofStar Guarantee Program.
Laing Roofing Ltd.
Contact Address
See the current Membership list and contact information at
Product Group - Standing Seam Metal Roof System
Panel Machine
Schlebach Quadro
Panel Name
Seam Type
Snap Lock

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.


Quadro Panel Machine is an on-site/in-shop continuous metal roofing panel roll forming machine. This machine produces Snap Seam – SS 150 with a seam height of 38 mm (1-1/2"). This machine can produce either a Nail Strip System or a Clip system. Panels can be produced for 225 mm (9") to 500 mm (20") wide.

On-site roll forming provides for the elimination of end laps with continuous panel forming capabilities in lengths up to nominal 46 m (150').


  1. General: Standing seam panels use a hidden fastening clip system for mechanical fastening to a solid substrate. The maximum spacing of the clips is 600 mm (24") on centre. The panels are locked together with the clips as part of the seam, by use of a mechanical seamer.
  2. Range of application: on wood or metal sloped roofs; in commercial, institutional, industrial and residential construction; for re-roofing or new construction.
  3. Fasteners (Screws): Fasteners used to attach panel nail strip or clips to plywood to be No. 10-12 by 25 mm (1") long pancake head, No. 2 Phillips drive, A-point, coated steel screw. Minimum two fasteners per clip to be used.
  4. Panel Clips: One-piece assembly (Quadro 150 Clip), 43.75 mm (1-3/4") wide and 31 mm (1-1/4") high. Minimum thickness 0.022". (No. 22 MSG). Clips spaced 600 mm (24") O.C., fastened to plywood deck.
  5. Deck Requirements: in keeping with the Standard for Architectural Sheet Metal (ASM) Systems.






Minimum roof slope is 1:4 (3" in 12"). Severe conditions (heavy snow or ice) minimum slope is 1:1.5 (8" in 12").


  1. Wind Uplift Resistance: Panel securement shall conform to the requirements in Part 3 of the Standard for Architectural Sheet Metal (ASM) Systems.
  2. Materials:RoofStar (RGC) accepted metal panel systems shall be formed of steel conforming to the requirements published in Section 9.2. of the Standard.

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