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USG
ROOFING

ROOFING

Product catalog summary

Overview
USG has been a leader in the building materials industry for over a century, known for innovative products like wallboard and mineral wool ceiling tiles. Their roofing solutions include high-performance roof boards designed to meet stringent performance requirements, offering exceptional features and superior strength.

Product Portfolio

USG Securock® Brand Gypsum-Fiber Roof Board: Ideal for low-slope commercial roofing systems, offering exceptional bond, low absorption, and superior wind-uplift performance. Made from 97% recycled material, it is moisture- and mold-resistant.
USG Securock® Brand Glass-Mat Roof Board: Suitable for mechanically attached systems, featuring less itchiness, easy scoring and snapping, and unlimited slope in fire barrier applications.
USG Securock® Brand Cement Roof Board: The lightest cement board in the industry, easy to cut and fasten, noncombustible, and ideal for liquid-applied systems.
USG Securock™ Brand Gypsum-Concrete Patch: Designed for repairing gypsum roof decks, noncombustible, with fast installation and durability.
USG Structural Panel Concrete Roof Deck: An alternative to traditional roof decks, easy to install, noncombustible, with superior uplift strength.

Advantages
USG's roofing solutions are engineered for high performance, offering superior wind-uplift performance, excellent fire performance, and moisture and mold resistance. They are versatile, sustainable, and made from recycled materials.

Installation and Limitations
Proper installation is crucial for optimal performance. USG Securock Gypsum-Fiber Roof Board should be kept dry and installed under suitable weather conditions. It should not be installed during rain or heavy fog. Specific instructions from roofing manufacturers should be followed, and the board should be stored flat and protected from weather.

Standards Compliance
USG Securock Gypsum-Fiber Roof Board complies with ASTM standards for fiber-reinforced gypsum panels and is UL Classified for surface burning characteristics and noncombustibility.

Safety Warning
Dust from cutting the boards can contain silica, which is harmful if inhaled. Proper protective equipment should be used during handling and installation.

Product Overview
The USG Securock® Brand Glass-Mat Roof Board is a high-performance roof board designed for low-slope commercial roofing systems. It is ideal for use as a cover board in single-ply mechanically attached systems, offering moisture and mold resistance, fire resistance, and protection against hail and foot traffic.

Specifications
The product is available in various thicknesses (1/4", 1/2", 5/8") with standard dimensions of 4' x 8'. It meets ASTM standards for flexural strength, compressive strength, and mold resistance, scoring a maximum "10" for mold resistance on ASTM D3273.

Installation Guidelines
The roof board should be installed following specific guidelines to ensure performance. It should be kept dry before, during, and after installation, and not installed during adverse weather conditions. Proper fastener spacing is essential for wind-uplift performance, and edge joints should be staggered and loosely butted.

Safety and Handling
The product contains silica dust, which can be harmful if inhaled. Appropriate personal protective equipment should be worn during installation. In case of eye contact, flush with water for 30 minutes, and seek medical attention if ingested.

Limitations and Liability
The product should not be used outside its intended application, and USG Corporation limits its liability to the replacement of defective goods. Claims must be made in writing within 30 days of discovery.

Performance Standards
The roof board is UL Classified for surface burning characteristics and noncombustibility, and it complies with FM Class 1 requirements. It is manufactured to conform to ASTM C1177 standards.

Product Overview
The USG Securock® Brand Cement Roof Board is a high-performance, lightweight cement board designed for use in low-slope roofing systems. It serves as a cover board and a parapet, fire, or thermal barrier roof board. The board is noncombustible, water-durable, and mold-resistant, making it suitable for various roofing applications.

Specifications
The board is available in 4' x 8' and 4' x 4' sizes, with a nominal thickness of 1/2 inch. It has a nominal weight of 2.4 lbs/sq. ft. and a compressive strength greater than 1000 psi. The flexural strength is over 750 psi, and it has a permeance of 5.84 perms.

Performance Standards
The board meets Factory Mutual (FM) Class 1 and Underwriters Laboratories (UL) Class A fire ratings. It is classified as noncombustible according to ASTM E84 & E136 and complies with FM 4450 and FM 4470 requirements.

Installation Guidelines
The board should be stored flat and protected from moisture. It should not be installed during adverse weather conditions. Fasteners must be corrosion-resistant and compatible with concrete. Proper spacing and installation techniques are crucial for optimal performance.

Safety and Handling
Dust from cutting the board can contain silica, which poses health risks. Use appropriate protective equipment and follow safety guidelines to minimize exposure. The board should be kept out of reach of children.

Limitations
The board should not be exposed to moisture during storage or installation. It is formulated to develop microcracking, which is not considered a defect. The maximum recommended asphalt application temperature is 450°F.

Environmental Considerations
The board is environmentally sustainable, with lower weight reducing embodied energy and emissions. It is designed to resist mold growth, but proper storage and installation practices are essential to prevent mold issues.

Product Overview
The document provides detailed information about USG Securock™ Brand Gypsum-Concrete Patch and USG Structural Panel Concrete Roof Deck. These products are designed for repairing roof decks and creating fire-rated roof-ceiling assemblies, respectively.

USG Securock™ Brand Gypsum-Concrete Patch

Description: A mill-formulated patch composed of calcined gypsum and wood chips, mixed with water on-site for repairing gypsum roof decks.
Advantages: Offers over 500 psi compressive strength, fast installation, noncombustibility, and versatility for various roof decks.
Limitations: Must be protected from moisture, not applied over wet surfaces, and has a shelf life of six months.
Installation: Requires clean water for mixing, structurally sound decks, and specific mixing ratios. Sets in 30-60 minutes.
Fire Performance: Noncombustible and used in UL-approved systems.
Standards Compliance: Conforms to ASTM C317.

USG Structural Panel Concrete Roof Deck

Description: A concrete roof deck panel that can be combined with other materials for fire-rated assemblies.
Advantages: Strong, dimensionally stable, fast installation, and meets ASTM E136-12 criteria.
Limitations: Requires appropriate roof membrane covering and specific installation procedures.
Installation: Fastened to steel joists, can carry 150 psf load, and requires specific tools for cutting and fastening.

Safety and Handling
Both products require adherence to safety guidelines to prevent exposure to dust and potential injuries. Personal protective equipment is recommended during installation.

Warnings
Dust from these products can cause respiratory issues and should be managed with appropriate ventilation and protective gear.

Contact Information
For product safety information, contact 800 507-8899 or visit usg.com.

Description
The document provides detailed specifications and guidelines for the installation and maintenance of USG Structural Panel Concrete Roof Decks. These panels are designed for use with cold-formed steel framing and require specific fasteners and installation techniques to ensure structural integrity and performance.

Limitations
The panels should not be exposed to weather for more than 90 days and must be protected from excessive moisture, ice, and snow. They should be stored horizontally and covered when not in use.

Installation
Use #8 x 1-5/8" screws with GrabberGard finish for fastening. Panels should be installed with long edges perpendicular to framing and in a running bond pattern. All edges of panels less than 24" wide must be supported by blocking.

Fasteners for Cold-Formed Steel Framing
Recommended fasteners include Structural Concrete Panel Screw 8 x 1-5/8" with GrabberGard. The minimum screw pattern is 6 inches on center along the perimeter and 12 inches in the field.

Traffic Protection
Additional sheathing materials should be placed in high traffic areas to protect the roof decks.

Roofing System
Follow contract documents and manufacturer recommendations for the application of roof materials. Ensure all panels are properly fastened before applying roof materials.

Product Data
Panels are available in 3/4" x 4' x 8' sizes, weighing approximately 170 lbs each. They are sold in 20-piece units and should be handled by two people.

Test Data and System Performance
The document includes detailed test data on physical and mechanical properties, such as moment capacity, bending stiffness, and fastener lateral resistance. The panels have passed various ASTM standards for durability, mold resistance, and noncombustibility.

Maintenance
Regular maintenance is not required except for removing standing water and repairing damage. Cracked or broken panels should be replaced according to the original fastening schedule.

Safety Information
The document includes safety precautions for handling the panels, including wearing protective gear and avoiding inhalation of dust.

Specifications and Standards
The document outlines the specifications for USG Securock® Brand high-performance roof boards, including compressive strength, flute spanability, flexural strength, water absorption, and mold resistance. The boards are tested according to ASTM standards, such as ASTM C473 for water absorption and ASTM D3273 for mold resistance.

Product Comparison
USG Securock Gypsum-Fiber Roof Board is compared to GP DensDeck® products, highlighting superior compressive strength and flute spanability. The document provides a detailed comparison of different board types, including Gypsum-Fiber and Glass-Mat, across various performance metrics.

Applications and Recommendations
The document details the applications for USG Securock roof boards, recommending specific types for different roofing systems, such as single-ply, modified bitumen, and built-up roofs. It emphasizes the suitability of Gypsum-Fiber Roof Board for fully adhered membranes and Glass-Mat Roof Board for mechanically attached membranes.

Environmental Considerations
USG Securock Gypsum-Fiber Roof Board is noted for its high recycled content, being made from synthetic gypsum and cellulose fibers, which contributes to environmental sustainability and earns Green Cross certification.

Handling and Installation
The document highlights the ease of handling and installation of USG Securock boards, noting their non-itchy composition and high bond strength without the need for additional primers.

Safety and Liability
Safety guidelines are provided for handling and installing the products, emphasizing the use of personal protective equipment and adherence to safety data sheets. The document also includes a liability notice regarding the use of the products.

Conclusion
USG Securock high-performance roof boards are presented as versatile, environmentally friendly, and superior in performance compared to competitors, suitable for a wide range of roofing applications.

Introduction
The document provides detailed information on USG Securock high-performance roof boards, highlighting their applications, specifications, and benefits in various roofing systems. These boards are designed to enhance fire protection, traffic and hail resistance, and wind-uplift performance.

Product Specifications
USG Securock roof boards are available in two main types: Gypsum-Fiber and Glass-Mat. The Gypsum-Fiber Roof Board is recommended for fully adhered membranes, while the Glass-Mat Roof Board is suitable for mechanically attached membranes. These boards serve as primary support for roofing membranes and protect underlying insulation layers.

Applications and Procedures

Cover Board: Used as impact protection and fire barrier, placed directly below the roofing membrane.
Roof Recover Board: Functions as a separator and support layer between old and new roofing membranes.
Hot Asphalt Substrate: Suitable for hot mopping, providing a substrate for asphalt application.
Vapor Retarder Substrate: Supports vapor barriers, reducing condensation.
Thermal Barrier: Provides thermal and noise reduction, suitable for metal or tile roofing systems.
Fire Barrier Underlayment: Achieves fire-resistance ratings when used with rigid foam insulation on combustible decks.
Parapet Wall Substrate: Supports roofing membrane flashing along parapet walls.

Case Study: Marlins Park
The document includes a case study on Marlins Park in Miami, Florida, where USG Securock Gypsum-Fiber Roof Board was used. The project required a roofing system that could withstand high wind zones and meet stringent fire test requirements. The roof board exceeded performance expectations, providing superior wind-uplift performance and fire resistance.

Benefits and Recommendations
USG Securock roof boards are praised for their compressive strength, resistance to membrane puncture, and ease of installation. They are made from 95% recycled materials, contributing to sustainable building practices. The boards are user-friendly, with low surface absorption, aiding in adhesive usage prediction and cost savings.

Conclusion
USG Securock high-performance roof boards are versatile and reliable components in commercial roofing systems, offering enhanced protection and performance. They are supported by extensive testing and have been successfully implemented in high-profile projects like Marlins Park.

Project Overview
Noorda Architectural Metals, based in Salt Lake City, Utah, is the roofing contractor for a project involving the installation of a roofing system at an apartment complex. The system chosen includes a GAF Materials Corporation's mechanically attached 60 mil TPO membrane over USG Corporation's new 1/4" Securock glass-mat roof board. The selection was made to ensure durability against extreme weather conditions and to provide value for money.

Contractor and Material Selection
Noorda Architectural, a GAF Master Select Contractor, has extensive experience with GAF's TPO roof membrane. They opted for USG's new glass-mat roof board due to its fire resistance and mold resistance, scoring a ten on ASTM D3273. The board is suitable for low-slope commercial roofing systems and enhances the durability of the roofing system.

Fire and Environmental Standards
The Securock glass-mat roof board meets Factory Mutual (FM) class 1 and Underwriters Laboratories (UL) Class A fire ratings, making it ideal for the project's wood-framed construction. The board also supports environmental goals with its high recycled content.

Product Handling and Performance
The roofing team reported satisfaction with the board's handling and ease of cutting, emphasizing its performance qualities. The project is expected to provide long-term protection for the apartment complex.

Product Specifications
The document lists various USG Securock roof board samples and related literature, including gypsum-fiber, glass-mat, and cement roof boards, along with their respective commodity codes and submittal sheets.

Contact and Additional Resources
For customer service, technical service, and product information, contact details and online resources are provided, including social media links and a blog for further engagement.

Catalog excerpts

USG ROOFING SOLUTIONS PORTFOLIO usg.com/securock

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A LEADER IN THE BUILDING MATERIALS INDUSTRY For more than 100 years, USG has been a leader in producing innovative products and systems to build the environments in which we live, work and play. As the inventor of wallboard and mineral wool ceiling tile, USG helped create North America’s building materials industry. Our flagship brands are recognized around the world and include USG Securock® Brand high-performance roof boards, USG Sheetrock® Brand gypsum panels, USG Durock® Brand cement boards and USG Donn® Brand suspension systems. USG is North America’s leading producer of gypsum wallboard,...

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A HIGHPERFORMANCE PORTFOLIO OF ROOFING SOLUTIONS THAT STAND ABOVE THE REST No matter what the application, the high-performance portfolio of USG roofing solutions gives you a better choice in the roof board category. Our products meet stringent performance requirements, offer exceptional features and deliver superior strength. All so you can rest easy that your vision will always be covered by the best. USG SECUROCK® BRAND GYPSUM-FIBER ROOF BOARD • Cover board for fully adhered systems • Exceptional bond and low surface absorption • Superior wind uplift • 97% recycled content USG SECUROCK® BRAND...

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SUBMITTAL SHEET GYPSUM-FIBER ROOF BOARD High-performance gypsum-ﬁber roof board for use in low-slope commercial rooﬁng systems Exceptional bond and low absorption in adhered systems Moisture- and mold-resistant Excellent wind-uplift performance Manufactured from 97% recycled material USG Securock® Brand Gypsum-Fiber Roof Board is a high-performance roof board for use in lowslope roofing systems. Its unique fiber-reinforced, uniform composition gives the panel strength and water resistance through to the core. USG Securock Gypsum-Fiber Roof Board provides exceptional bond and low absorption in...

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LIMITATIONS CONT. FIRE PERFORMANCE SYSTEM PERFORMANCE STANDARDS COMPLIANCE • USG allows the bonding of cold mastic-modified bitumen and torching directly to the surface. Consult with the system manufacturer for recommendations on this application. • USG recommends maximum asphalt application temperature for Type III asphalt of 455°F when using USG Securock Gypsum-Fiber Roof Board. Application temperatures above these recommended temperatures may adversely affect roof system performance. • Refer to roof system manufacturer's written instructions, local code requirements and Factory Mutual Global...

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PHYSICAL PROPERTIES Width, standard Length, standard Pieces per unit for 4' x 8' sheets Weight, nominal lbs./unit, 4' x 8' sheet Weight, nominal lbs./sq. ft. Flexural strength, parallel, lbs. min., per ASTM C473 Compressive strength, psi nominal Flute spanability per ASTM E661 Permeance, perms, per ASTM E96 Coefficient of thermal expansion, inches/inch • °F, per ASTM E831 Linear variation with change in moisture, inches/inch • % RH, per ASTM D1037 Water absorption, % max, per ASTM C473 Surface water absorption, nominal grams, per ASTM C473 Mold resistance per ASTM D3273* Bending radius *ASTM...

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SUBMITTAL SHEET USG SECUROCK® BRAND GLASS-MAT ROOF BOARD High-performance glass-mat roof board for use in low-slope commercial rooﬁng systems Ideal for use as cover board in single-ply mechanically attached systems Moisture- and mold-resistant core and facer Provides protection to roof system from hail and foot traffic Fire-resistant for use as fire barrier and thermal barrier Unmatched mat-to-core tensile bond strength makes facer less likely to delaminate when cutting High-quality tight mat makes for easier handling and cutting USG Securock® Brand Glass-Mat Roof Board is a high-performance...

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INSTALLATION CONT. SYSTEM PERFORMANCE STANDARDS COMPLIANCE • Butt board edges and ends loosely (minimum 1/16" gap on all edges) in typical installations. This gap may need to be larger depending on factors like the roof deck's size, membrane color, ultimate deck surface temperature and time of year the roof assembly is installed. Installations during temperatures below 50°F may require larger spacing. Please refer to USG's published physical properties below to calculate the actual gap needed for your specific project for all thicknesses. • Roof boards should never be installed frozen. • See...

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SUBMITTAL SHEET USG SECUROCK® BRAND CEMENT ROOF BOARD • Ideal for use as a cover board in system applications such as liquid-applied membranes or as a parapet, fire or thermal barrier roof board • Lightest cement board in the industry • Environmentally sustainable product—lower weight reduces embodied energy and embodied emissions • Water-durable, mold-resistant substrate • Will not rot, warp, delaminate or disintegrate • Easy to cut and fasten • Noncombustible DESCRIPTION USG Securock® Brand Cement Roof Board is a high-performance roof board for use in low-slope roofing systems. As the lightest...

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LIMITATIONS CONT. • Plastic or poly packaging applied at the plant to protect board during rail or other transit should be removed upon receipt to prevent condensation or trapping of moisture, which may cause application problems. • USG Securock Cement Roof Board should be stored flat and off the ground with protection from the weather. Preferred storage location is an enclosed shelter providing protection from the elements. However, if stored outdoors, a breathable waterproof covering should be used. • When applying solvent-based adhesives or primers, allow sufficient time for the solvent to...

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PHYSICAL PROPERTIES Thickness, nominal Width, standard Length, standard Pieces per unit for 4' x 8' sheets Weight, nominal lbs./unit, 4' x 8' sheet Weight, nominal lbs./sq. ft. Flexural strength, parallel, psi, per ASTM C947 Compressive strength, psi nominal Flute spanability per ASTM E661 Permeance, perms, per ASTM E96 Coefficient of thermal expansion, inches/inch/°F, per ASTM E831 Linear variation with change in moisture, %, per ASTM D1037 Water absorption, % max, per ASTM C473 Mold resistance, per ASTM D3273* Minimum bending radius *ASTM D3273 Mold Resistance Testing: In independent lab tests...

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ROOFING

ROOFING

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