McElroy 138T & 238T
Retrofit Standing Seam Metal Roofing

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Retrofit Standing Seam Metal Roofing is an important product for All Star Roof Systems. While standing seam roofing systems have been used for generations, 138T and 238T panels feature technological advances in roofing that set a new standard for retrofit standing seam performance. 138T and 238T systems are classified as symmetrical standing seam systems and offer many advantages including patented recover solutions featuring the industry’s best method to recover existing metal or shingle roofs. 138T and 238T panels are mechanically seamed along with the seam caps.

We provide steel standing seam metal roof systems with expected lives of approximately 40 years. We’ve even enhanced our performance and testing to ensure our products can meet the demands of Hurricane Force Winds. Our standing seam metal roof products are designed and installed to stay attached through even the most devastating of conditions.

We want business and home owners to be oblivious to the weather. For heat or cold, hurricanes or hail storms, rain or shine, our standing seam metal roofing systems offer facility managers and homeowners protection and savings that repay the investment you make in a standing seam metal roof system.

The Steel Roofing Systems we offer are all interlocking, non-exposed fastener systems. They provide the most protection for your home from the elements. These products are available in a variety of colors. These systems can typically be installed over an existing composition roof. Should your old roof need to be removed, we will see that it is recycled.

All of our products are manufactured in America. We support helping to build a healthy economy. While importing steel and aluminum from other countries can be less expensive, the quality is sometimes compromised.

Visit our Benefits Page to see all the benefits these metal roofing systems offer.

McElroy 138T & 238T

Retrofit Standing Seam Metal Roofing

While standing seam roofing systems have been used for generations, 138T and 238T panels by McElroy Metal feature technological advances in roofing that set a new standard for standing seam performance. 138T and 238T systems are classified as symmetrical standing seam systems and offer many advantages including patented recover solutions featuring the industry’s best method to recover existing metal or shingle roofs.  138T and 238T panels are mechanically seamed along with the seam caps.

138T and 238T advantages include:

  • Ease of installation
  • Individual panel replacement capabilities
  • Watertight seam design
  • No laps improves weathertightness
  • Outstanding recover solutions
  • Patented Metal-Over-Metal recover with 238T
  • Patented recover solution of shingles with 138T
  • 138T minimum slope: 2:12
  • 238T minimum slope: 1/2:12
  • 238T subject to prior approval, 1/4:12 may be acceptable
  • 138T must be installed over solid deck
  • 238T can be installed over solid deck or open framing
  • 138T & 238T are mechanically seamed profiles
138T & 238T

  • Uplift Test – UL580 Class 90, UL 1897 and ASTM E1592
  • Fire Rating:  UL Class A
  • Impact Resistance:  UL Class 4
    FM Class 1-SH

238T Only

  • Uplift Test: FM 4471
  • Air Infiltration: ASTM E1680
  • Water Infiltration: ASTM E1646
  • Static Water: FM 4471 Appendix G, ASTM E2140
  • Texas Department of Insurance Approval: RC-270
  • Florida State Approval: FBC #16606.1, 16606.2, 16606.3
  • Miami Dade Approval: NOA #15-1216.03
  • Panel height & width:
    138T: 1 3/8″ x 12″ or 16″
    238T: 2 3/8″ x 16″, 18″, 24″
    238T 24″ Panel formed on-site only
  • Panel Configurations:
    138T: flat, striated, plank & pencil ribs, plank, minor ribs
    (plank & pencil rib recommended)
    238T: flat (16″ & 18″ only), striated, plank & pencil ribs, plank, minor ribs
    (plank & pencil rib recommended)
  • Coating:
    – Kynar 500® (PVDF)
  • Substrate:
    – Standard 24 GA Galvalume®
    – Optional 22 GA Galvalume
    – Optional .032 and .040 aluminum
    – Optional 16 oz and 20 oz copper
    (Houston Plant Only)
  • 138T & 238T Manufacturing: factory, jobsite roll-formed, curved on-site
  • 138T panels can be curved (16” width only)
  • 238T panels can be curved (16”, 18” widths only)
  • 138T, 238T and Multi-Span Clips are curved onsite by McElroy curving technicians
  • Minimum Radius:
    138T – 8’ radius
    238T – 24’ radius
    Multi-Span Clips – 35’ radius
  • Maximum length on Multi-Span clips is 30’
  • 138T flat panels will curve naturally on a radius of 150’ or greater
  • 238T flat panels will curve naturally on a radius of 225’ or greater
Standing Seam Metal Roof

Retrofit Roofing Solution

Metal roofs with irreparable degradation are best suited for retrofit roofing

For roofs with irreparable degradation, All Star Roof Systems provides retrofit roofing. Retrofit solutions are typically handled using the 138T and 238T products. Whichever product you select, you can count on All Star Roof System’s single-source accountability for roofing materials and installation services.

Would You Like to Learn More?

If you would like to learn more or to discuss your project just give us a shout to get started. There is no obligation.

All Star Roof Systems ////////

 

BUSINESS OFFICE & OPERATIONS
8927 Hufsmith-Kuykendahl
Tomball, TX 77375

Phone (281) 987-9000
Fax (281) 350-0707

 

Composition Shingle Roofing is a key product line offering by All Star Roof Systems. If you need composition shingle roofing, call All Star Roof Systems.

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