Sheffield Metals

SMI 1.5" Snaplock 550

Sheffield Metals offers a complete line of engineered and non-engineered standing seam profiles for metal roof and wall systems. Whether your project is residential or commercial, solid substrate or open framing, big or small, we have the resources and products you need for your project. All of our panel profiles are tested to meet minimum UL 90 approvals.

Many of our engineered panel profiles are tested to more stringent requirements, including:

Wind uplift testing
Water penetration testing
Water submersion testing
Air infiltration testing
Impact resistance testing

We specialize in providing painted Galvalume^® and aluminum for the architecturally driven metal panel industry, including:

- More than 50 Sherwin Williams^® colors continuously stocked in Galvalume^®

- Several popular colors in aluminum products in both coil and sheet

- Products meeting LEED requirements

- Color matching for virtually any custom color

- Zinc (elZinc^®), stainless steel, and copper products in both coil and sheet

- 40-year Kynar^® and 40-year silicone-modified polyester (SMP) coating warranties
- 5- to 35-year weathertight warranties- SMI warranty documents are available for viewing online

- Premium metal supplier coast to coast via five regional distribution centers

Specification

SMI 1.5" Mechanical Seam Standing Seam Panels over Plywood Roof Deck
1.5" Mechanical Seam Standing Seam Panels with 1½-inch high mechanically seamed ribs for installation over a minimum ½ inch thick plywood roof deck with a minimum slope of 2 inches in 12 inches (2/12). With slopes lower than a 2/12 roof pitch, contact SMI Technical Department for further installation direction and requirements. SMI 1.5” Mechanical Seam Standing Seam Panels are available with Florida State Building Code Product Approval and Texas Department of Insurance certificates. Contact the SMI Technical Department to verify the decking assembly.
SMI 1.5" Mechanical Seam Standing Seam Panels over Steel Deck
1.5" Mechanical Seam Standing Seam Panels with 1½-inch high mechanically seamed ribs for installation over structural steel wide rib (WR, or "B") 22 ga. roof deck with a minimum slope of 2 inches in 12 inches (2/12). With slopes lower than a 2/12 roof pitch, contact SMI Technical Department for further installation direction and requirements. SMI 1.5” Mechanical Seam Standing Seam Panels are available with Florida State Building Code Product Approval and Texas Department of Insurance certificates. Contact SMI Technical Department to verify the decking assembly.
SMI 1.5" Mechanical Seam Standing Seam Panels over Insulated Steel Deck
1.5" Mechanical Seam Standing Seam Panels with 1½-inch high mechanically seamed ribs for installation over rigid board-insulated structural steel wide rib (WR, or "B") 22 ga. roof deck with a minimum slope of 2 inches in 12 inches (2/12). With slopes lower than a 2/12 roof pitch, contact SMI Technical Department for further installation direction and requirements. SMI 1.5” Mechanical Seam Standing Seam Panels are available with Florida State Building Code Product Approval and Texas Department of Insurance certificates. Contact SMI Technical Department to verify the roofing assembly.

Technical specification

Unique ref.smi15snaplock550
Product familyMetal Roof Panels
Product groupRoof panels concealed fastener
TypeObject (single object)
Date of publishing2024-10-20
Edition number1

Links

Product urlhttps://sheffieldmetals.com/learning-center/profile/smi-1-5-snaplock-550/
Product certificationhttps://sheffieldmetals.com/wp-content/uploads/2023/11/1.5SL550_Cutsheet_0623.pdf
Technical descriptionhttps://sheffieldmetals.com/wp-content/uploads/2025/04/1-5sl550-cutsheet_0425-v2.pdf

Material mainSteel
Material secondaryAluminium
Designed inUnited States
Manufactured inUnited States

Classification

BIMobject CategoryConstruction - Roof
IFC classificationRoof
ETIM CodeEG019610
ETIM NameRoofing materials
Uniclass 2015 CodeEF_30_10
Uniclass 2015 DescriptionRoofs
CSI MasterFormat 2014 Code07 41 13
CSI MasterFormat 2014 TitleMetal Roof Panels
OmniClass Number23-13 39 27 11 11
OmniClass TitleMetal Roof Panels

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States

SMI 1.5" Snaplock 550

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