SPECIFICATIONS:
LOWE'S COMPANIES, INC.

A. Preformed, prefinished metal roofing and flashings.

B. Miscellaneous trim, flashing, closures, drip flashing,

and accessories.

C. Sealant

D. Fastening devices.

A. Section 05120: Structural Steel Framing.

B. Section 05500: Miscellaneous metal fabrication.

C. Section 06100: Rough Carpentry.

D. Section 07631: Flashing and Sheet Metal Gutters.

E. Section 07900: Sealants.

A. American Iron & Steel Institute (AISI) Specification for the Design of Coldformed Steel Structural Members.

B. ASTM A-525 Steel Sheet, Zinc-Coated (Galvanized)

C. ASTM E-1646

D. ASTM E-1680

E. Spec Data Sheet - Galvalume Sheet Metal by Bethlehem Corp.

F. SMACNA - Architectural Sheet Metal Manual.

G. Building Materials Directory - Underwriter’s Laboratories, Test Procedure 580.

 

A. The roofing assembly includes preformed sheet metal panels, related accessories, valleys, hips, ridges, eaves, corners, rakes, miscellaneous flashing and attaching devices.

 

A. Manufacturer shall submit detailed drawings showing layout of panels, anchoring details, joint details, trim, flashing, and accessories. Show details of weatherproofing, terminations, and penetrations of metal work.

B. Submit a sample of each type of roof panel, complete with factory finish.

C. Submit results indicating compliance with minimum requirements of the following performance tests:

 

1. Air Infiltration ASTM E 1646

2. Water Infiltration ASTM E 1680

3. Wind Uplift - U.L.90

 

D. Submit calculations with registered engineer seal, verifying roof panel and attachment method resists wind pressures imposed on it pursuant to applicable building codes.

 

A. Manufacturer: Company specializing in Architectural Sheet Metal Products with ten (10) years minimum experience.

B. No product substitutions shall be permitted without meeting specifications.

C. Substitutions shall be submitted 10 Days prior to Bid Date and acceptance put forth in an addendum.

D. No substitutions shall be made after the Bid Date.

 

A. Upon receipt of panels and other materials, installer shall examine the shipment for damage and completeness.

B. Panels should be stored in a clean, dry place. One end should be elevated to allow moisture to run off.

C. All panels must have strippable film and must not be stored in the open, exposed to the sun.

D. Stack all materials to prevent damage and to allow for adequate ventilation.

 

A. Paint finish shall have a twenty year warranty against cracking, peeling and fade (not to exceed 5 N.B.S. units).

B. Galvalume material shall have a twenty year guarantee against failure due to corrosion, rupture or perforation.

C. Applicator shall furnish guarantee covering watertightness of the roofing system for the period of two (2) years from the date of substantial completion.

 

A. Berridge Manufacturing Company, Houston, TX - Contact Becky Wynne, 800-669-0009.

B. Substitutions shall fully comply with specified requirements.

 

A. Prefinished Metal shall be Hot-Dipped Galvanized - ASTM A446-85 Grade C G90 Coating A525-86 24 Gauge core steel.

B. Finish shall be full strength Kynar 500 Fluorocarbon coating Special Color - Lowe's Blue, applied by the manufacturer on a continuous coil coating line, with a top side dry film thickness of 0.70 to 0.90 mil over 0.25 to 0.35 mil prime coat, to provide a total dry film thickness of 0.95 to 1.25 mil. Bottom side shall be coated with primer with a dry film thickness of 0.25 mil. Finish shall conform to all tests for adhesion, flexibility, and longevity as specified by the Kynar 500 finish supplier.

C. Strippable film shall be liquid applied to the top side of the painted coil to protect the finish during fabrication, shipping and field handling. This strippable film must be removed before installation.

 

A. Fasteners: No. 10-1 x 1 A-point fastener, pancake head Phillips drive screws.

B. Clips: 24 Gauge Steel.

C. Flashings, Counter Flashings, Trim, Closures, Hip Caps, and other accessories as required for proper installation: Manufacturer's standard details, shop fabricated or formed by the sheet metal contractor from flat sheet.

D. Sealant: [Factory-applied extruded vinyl weatherseal in standing seam and Tremco Spectrum Low-Modulus Sealant, field applied at flashings]

E. No knee joints with exposed fasteners allowed.

 

2.04 FABRICATION

 

A. All exposed adjacent flashing shall be of the same material and finish as the roof panels.

B. Hem all exposed edges of flashing on underside, 1/2 inch.

 

2.05 PREFORMED METAL ROOFING

 

BERRIDGE CEE-LOCK STANDING SEAM PANEL

1. Panels shall have 1-½" high vertical legs, spaced 16-½" on center.

2. Panels shall be field-formed in continuous lengths or factory-formed to maximum 40-0' lengths.

3. Standing seam to be of an interlocking, "snap-lock" design.

4. Panel seams shall interlock without use of field seaming machines.

5. Vinyl Weatherseal (U.S. Patent No. 4641475) to be factory/machine-installed.

6. Concealed anchor clips to be spaced as required to meet uplift loads (maximum of 36" on center).

7. When required, Panel assembly to bear Underwriter’s Laboratories Label UL90, pursuant to Construction Number 404 and applicable Fire Ratings.

 

 

PART 3 EXECUTION

 

3.01 INSPECTION

 

A. Substrate:

 

1. Examine plywood or metal deck to ensure proper attachment to framing.

2. Inspect roof deck to verify deck is clean and smooth, free of depressions (level to ¼" in 20'), waves or projections, properly sloped to valleys and eaves.

3. Verify roof openings, curbs, pipes, sleeves, ducts or vents through roof are solidly set, cant strips and reglets in place, and nailing strips located.

4. Verify deck is dry and free of snow or ice. [Flutes in steel deck to be clean and dry] [joints in wood deck to be solidly supported and nailed].

 

B. Felting:

 

1. Verify #30 unperforated asphalt saturated roofing felt underlayment [in single layer, weather lapped head 6", ends 18"] , has been installed over solid sheathing and fastened in place.

2. Ensure felt installed horizontally, starting at eave to ridge with a 6" minimum overlap.

3. Ensure that all nail heads are totally flush with the substrate. Use Galvanized roofing nails with G90 Coated Felt Caps.

 

3.02 INSTALLATION

 

A. Comply with manufacturers standard instructions and conform to standards set forth in the Architectural Sheet Metal Manual published by SMACNA, in order to achieve a watertight installation.

B. Install panels in such a manner that horizontal lines are true and level and vertical lines are plumb.

C. Install starter and edge trim before installing roof panels.

D. Remove protective strippable film prior to installation of roof panels.

E. Attach panels using manufacturer’s standard clips and fasteners, spaced in accordance with manufacturer's recommendations.

F. Install sealants for preformed roofing panels per manufacturer's recommendations.

G. Do not allow panels or trim to come into contact with dissimilar materials.

H. Do not allow excessive traffic on completed roof. If required, provide cushioned walk boards.

I. Protect installed roof panels and trim from damage caused by adjacent construction until completion of installation.

J. Remove and replace any panels or components which are damaged beyond successful repair.

 

3.03 CLEANING

 

A. Clean any grease, finger marks or stains from the panels per manufacturer’s recommendations.

B. Clean any metal shavings from roof surfaces.

C. Remove all scrap and construction debris from the site.

 

 

3.04 FINAL INSPECTION

 

A. Final inspection will be performed by a firm appointed and paid for by the owner in accordance with section 01410.

 

END OF SECTION

 

NOTE: Please reference Berridge Manufacturing Company’s current Sweet’s Catalog 07610/BER , Sweet's BuyLine 49510, for standard product offering with regard to materials, gauges, finishes and colors available.

Return to Lowe's Page