1.5" B MMD ROOF DECK
1.5" Type B steel deck is widely used in roof applications due to its structural strength and ease of installation. The Type B profile is 1.5 inches deep and comes in gauges ranging from 22 GA to 16 GA, making it versatile for different projects. This deck complies with SDI and ANSI standards and offers options for galvanized finishes like G60 and G90.
Strong, versatile, and easy to install. Perfect for your roofing needs.
Elevate your projects with our 1.5" Type B steel deck, featuring lightweight durability, fire resistance, and sustainable design. Perfect for eco-friendly and efficient short-span applications in commercial settings
High Strength-to-Weight Ratio
Offers exceptional load capacity while minimizing weight, perfect for roofing systems.
Standard 36 inches Coverage
Provides 36-inch wide coverage with a consistent rib design, reducing installation time and increasing efficiency.
Galvanized or Prime-Painted Finish
Choose G60/G90 galvanized or prime-painted finishes for enhanced durability and corrosion resistance.
Compatibility with Roofing Systems:
Supports roofing systems with insulation, waterproofing, reflective coatings, drainage, ventilation, and other components.
Compliance with Standards
Meets Steel Deck Institute (SDI) and ANSI guidelines, ensuring quality and code compliance.
Wide Gauge Range
Available in 22, 20, 18, and 16 gauges, allowing customization to meet specific load-bearing requirements and project demands.
The 1.5" Type B steel deck offers corrosion-resistant finishes and custom lengths (6′ to 40′) for a perfect fit and reduced waste.
Choose from our material options including high-strength steel in 33 KSI, 40 KSI, 50 KSI, and 80 KSI grades. Each option is engineered to meet specific structural requirements, providing the right balance of strength and flexibility for a wide range of construction applications. Select the ideal KSI rating to match your project's performance needs and load-bearing demands.
Specifications of 1.5" Type B Roof Deck
Key details on strength, gauge, finish, and depth for the 1.5" Type B metal decking
Dimensions and Profile Details
Property | Details |
|---|---|
Profile Depth | 1.5 inches |
Coverage Width | 36 inches |
Rib Spacing | 6 inches (center to center) |
Rib Height | 1.5 inches |
The 1.5” Type B metal deck features a rib depth of 1.5 inches and a standard coverage width of 36 inches, making it ideal for structural efficiency in roofing and flooring applications. Its rib spacing of 6 inches (center to center) and overall material width of 39 inches allow for secure overlaps and strong composite action when combined with concrete slabs. The profile is designed to maximize strength while minimizing weight, ensuring durability and versatility in various construction projects.
Gauge
Gauge | Thickness (inches) | Weight (lbs/sq ft) | Typical Applications |
|---|---|---|---|
22 | 0.0295 | 1.6 | Light-duty roofing and small spans. |
20 | 0.0358 | 2 | Medium spans, roofing, and siding. |
18 | 0.0474 | 2.6 | Heavy-duty applications |
16 | 0.0598 | 3 | Heavy load spans |
The Type B deck is available in a range of gauges, including 22, 20, 18, and 16. These gauges offer varying thicknesses and load capacities to suit specific project needs. Thinner gauges (22 and 20) are lightweight and cost-effective, ideal for shorter spans and lighter loads. Thicker gauges (18 and 16) provide enhanced structural strength and can support longer spans and heavier loads, making them perfect for demanding applications.
Finish
Finish Type | Details |
|---|---|
Galvanized G60 | Zinc coating of 0.6 oz/ft². Recommended for general environments. |
Galvanized G90 | Zinc coating of 0.9 oz/ft². Ideal for highly corrosive environments. |
Prime-Painted | Provides a base coat for additional protection or paint adhesion. |
Bare Steel | Unfinished; typically for indoor use or controlled environments. |
To ensure durability and long-term performance, the Type B deck comes in multiple finish options, including galvanized (G60 and G90) and prime-painted. Galvanized finishes provide excellent corrosion resistance, with G90 offering higher zinc coating for environments with greater exposure to moisture or chemicals. The prime-painted option adds a protective base coat, making it suitable for projects requiring additional layers of paint or coatings. These finishes extend the deck’s lifespan and protect it from environmental wear and tear.
Applications of 1.5” Type B Metal Decking Growth
Perfect for commercial and industrial roofs, the 1.5" Type B steel deck excels in supporting insulation systems and suits both vented and non-vented roofing.
Roof Deck Applications
Type B is widely used in commercial and industrial roof systems where structural strength and durability are essential. It supports roofing insulation systems and can be used for both vented and non-vented roofing.
Hybrid structural-ceiling systems
Type B decking is ideal for use as an exposed ceiling element in architectural spaces, offering structural strength and a clean finish while reducing the need for added materials and installation time.
The 1.5" Type B deck is crafted to align with industry-leading standards, ensuring reliability, durability, and performance for your projects.
Compliance with Standards
SDI (Steel Deck Institute): The 1.5" Type B deck complies with SDI specifications, ensuring high standards for design and performance.
-
What gauge is most commonly used for Type B decking?20 gauge is generally the most common for Type B decking due to its balance of cost and strength for typical applications. However, project-specific requirements can necessitate other gauges.
-
What is the difference between G60 and G90 galvanized finishes?The difference between G60 and G90 galvanized steel is the amount of zinc coating applied for corrosion protection. G60 has a coating of 0.60 oz/ft² (183 g/m²), while G90 has 0.90 oz/ft² (275 g/m²), providing 50% more zinc and greater resistance to corrosion G60 is suitable for indoor applications or low-moisture environments, such as HVAC, interior metal structures, and construction panels. In contrast, G90 offers superior protection and is ideal for outdoor use, roofing, steel decking, and structures exposed to weather, humidity, or corrosive conditions. If the application requires higher durability and corrosion resistance, G90 is the best choice. However, if moisture exposure is minimal and cost efficiency is a priority, G60 may be sufficient.
-
What are the maximum spans for the 1.5" Type B deck?Maximum spans depend on the gauge, span type, and load requirements. For example, 22-gauge decks can span up to 8 feet under multiple spans, while 16-gauge decks can span up to 14 feet. Always consult load tables for precise details.
-
Can 1.5" Type B metal decking be customized for specific projects?Yes, the deck can be customized in terms of gauge, finish, and length. Custom lengths are cut to suit project needs, reducing waste and optimizing installation efficiency.
-
Does 1.5" Type B metal decking meet industry standards?Absolutely. It complies with Steel Deck Institute (SDI) standards and American Iron and Steel Institute (AISI) design guidelines, ensuring quality, safety, and compatibility with construction codes.