Materials:(Lam) Berridge T-Panel

Manufacturer: LAM METAL CONTRACTING LTD.

Contact Address: See Membership List in Section 1.

Product Group: STANDING SEAM METAL ROOF SYSTEM – LAM METAL BERRIDGE T-PANEL, COMPOUND CURVED & TAPERED TEE-PANEL

DESCRIPTION

Lam Metal Berridge T-Panel can be roll formed as straight, tapered or curved to any radius greater than 10’ in continuous length from a coil. Panel width is 12 ¾" (324 mm) with a ⁵/₈" (16 mm) leg, and a nominal 1" (25 mm) seam height after clipping on the Snap-On Seam.

1.1 GENERAL

The roofing assembly / material information published 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.

1.2 SYSTEM DESCRIPTION

.1 Berridge T-Panel employ a hidden fastening system for securement to a solid substrate. Panel seams are covered by extruded vinyl weatherseal to prevent siphoning or flooding over seam and the panels are seamed together by Snap-On Seam.

.2 Range of application: on wood or metal sloped roofs; in commercial, institutional, industrial and residential construction; for reroofing or new construction.

.3 Panel Attachment:

Fasteners (Screws)

Use 11 gauge 1¼" galvanized roofing for installation over wood, and use #10 x 1¼" pancake head teks screws for installation over metal. One fastener per clip @ minimum 20" OC.

Roof Deck Fasteners (Panel Clips)

One piece assembly consisting of a No. 26 GA minimum thick coated steel base approximately 1" wide x 2" long as manufactured by Berridge Manufacturing in Denver, USA.

1.3 SITE CONDITIONS

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

1.4 PERFORMANCE REQUIREMENTS

.1 Wind Uplift Standards:

The Berridge T-Panel complies with UL 90, No. 580 Wind Uplifting Resistance of Roof Assemblies, and UL Fire Resistance Roof Assemblies, No. P-224, 225, 227, 230, 237, 508, 512, 701 and 803.

1.5 Material

ASTM Standard specifications A446-85 Grade C, G-90 coasting ASTM A 653 –94 and 924-94, 24 gauge hot-dipped galvanized pre-finished steel. ASTM standard specification 792-86 24 gauge pre-finished Galvalume^®.

1.6 Paint Finish

Fluorocarbon coating finish, Kynar 500^® or Hylar 5000™ with a top side film thickness of 0.70 to 0.90 mil over 0.25 to 0.31 mil primer coat to a total dry film thickness of 0.95 to 1.25 mil. Primer coat on bottom side of panel shall be a dry film thickness of 0.25 mil.

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