Table of Contents(Page CI-5)

COMMERCIAL/INDUSTRIAL PRODUCT INFORMATION

For panel-to-panel connections to be same type. 1 in. long for both steel or aluminum panels. Spacing for panel-to-purlin connections for steel panels to be 12 in. 0G. located between major ribs.
For aluminum panels to be 6 in. O.C. located 3 in. from the center line on both sides of each major rib.
Spacing at end laps to be the same for both steel or aluminum panels.
For panel-to-panel connections to be 30 in. O.C. with an additional fastener in each major rib at end laps.

As Alternate Fasteners -

For either steel or aluminum panels with spacing to be the same for panel-to-purlin connections. 1/4 in. - 14 self-tapping plated steel screws with a 5/8 in O.D. plated steel washer and a bonded neoprene sealing washer. Length to be 3/4 in. for 3 in. maximum thickness blanket insulation and 1 1/2 in. for over 3 in. thickness. Pilot holes to be 3/16 in. diameter.

For Panel-to-Panel Connections: -

1/4 in. - 14 by 3/4 in. self-tapping plated steel screws with a 5/8 in. O.D. plated steel washer and a bonded neoprene sealing washer. Pilot holes to be 1/2 in. diameter.

3. Insulation - (Optional) - Any compressible blanket insulation 4 in. maximum thickness before compression.

4. Purlins - No. 16 MSG minimum gauge steel. (55,000 psi minimum yield strength).

Refer to General Information, Roof Deck Construction, (Roofing Materials and Systems Directory) for items not evaluated.

*Bearing the UL classification marking.

CONSTRUCTION NO. 244

Wind Uplift—Class 90 or 30 Fire not investigated.

1. Metal Roof Deck Panels* - No. 26 MSG minimum gauge coated steel. Panel 36 in. wide and 1 ½ in. high at the rib. Panels continuous over two or more spans. End laps to occur over purlins with panels overlapped a minimum of 4 in. with lap centered over purlin web. A bead of sealant may be used at panel side and end laps.

Metal Building Components, Inc. Supra-Rib Panel

2. Panel Fasteners - For panel-to-purlin attachment, to be No. 12-14 self-drilling, self-tapping, hex-head, plated steel, stand-off screws with a separate 5/8 in. O.D. formed steel washer and a neoprene sealing washer. Length to be 3 3/4 in. when 2 in. thick thermal spacers (Item 4) and compressible blanket insulation (Item 3) are used and 2 3/8 in. when 1 in. thick thermal spacers and compressible insulation are used. When no thermal spacers are used No. 14 - 12 by 3/4 in. long self-tapping, hex-head, plated steel screws with 5/8 in. O.D. formed steel washer and a neoprene sealing washer to be used. Spacing for Class 90 to be approximately 7.2 in. O.C. in every valley. For Class 30 to be approximately 14 in. O.C.. in every other valley. Spacing for Class 90 or 30 at end laps to be 7.2 in. O.C./coated in every valley. Fasteners for panel-to-panel connection to be No. 12 - 14 by 1 in. long self-drilling, self-tapping, hex-head plated steel screws with a separate ½ in. O.D. formed steel washer and a neoprene sealing washer. Spacing for Class 90 or 30 to be 20 in. O.C. with a fastener located at end lap location in line with purlin fasteners.

3. Insulation - (Optional) - Any compressible blanket insulation 4 in. maximum thickness before compression.

4. Thermal Spacer Block - (Optional) - Extruded polystyrene. Continuous maximum 2 in. thick by 4 in. in width. Installed along top flange of purlin between roof panels and blanket insulation.

5. Purlin - No. 16 MSG minimum gauge steel.

6. Lateral Bracing - (Not Shown) - As required.
Refer to General Information, Roof Deck Constructions, (Roofing Materials and Systems Directory) for items not evaluated.