It looks like you entered an employee email address, but this is the customer sign-in. Use the link below instead.

Item: 221659

Securock® Brand UltraLight Glass-Mat Sheathing

Ultralightweight 1/2 in. (12.7 mm) glass-mat sheathing with moisture and mold resistance—up to 15% lighter than other glass-mat sheathings

Overview

Overview

Securock® Brand UltraLight Glass-Mat Sheathing are 1/2 in. (12.7 mm) lightweight glass-mat sheathing panels with moisture and mold resistance—up to 15% lighter than other glass-mat sheathings.The panels feature a noncombustible, moisture-resistant gypsum core that is encased in a coated fiberglass facer mat to maximize coverage of fluid-applied air/water barrier systems. When tested in accordance with ASTM D3273, Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber, the panels score a "10." These sheathing panels are intended for use under exterior claddings where conventional gypsum sheathing products have traditionally been used, such as brick veneer, properly detailed Exterior Insulation Finish Systems (EIFS), clapboard siding, panel siding and conventional siding.

Main Features

  • Ultralightweight 1/2 in. (12.7 mm) Regular glass-mat sheathing with moisture and mold resistance—up to 15% lighter than other glass-mat sheathings
  • Feature a coated fiberglass facer mat to maximize coverage of fluid-applied air/water barrier systems
  • Treated gypsum core, combined with fiberglass face and back, offers exceptional water resistance
  • Comply with ASTM C1177, Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing, for 1/2 in. (12.7 mm) Regular and glass-mat water-resistant gypsum substrate
  • Score a "10" when tested in accordance with ASTM D3273, Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber
  • Underwriters Laboratories Inc. (UL) Classification as to surface burning characteristics and noncombustibility
  • Guaranteed for five years against manufacturing defects and have a 12-month limited-exposure warranty

Applications

  • Administrative Offices
  • Auditoriums and Gymnasiums
  • Bars Restaurants and Dining Areas
  • Department Stores and Boutiques
  • Dormitories
  • Exterior Soffits and Indoor Parking Garage
  • Guest Rooms and Suites
  • Health and Fitness
  • Traditional Offices

Specifications

Submittal Sheet PDF 291.9 KB

Performance

  • Mold & Mildew Resistance Yes
  • Fire Resistance
    • Fire Rating Regular
  • ASTM E84
    • Flame Spread 0
    • Smoke Developed 0
    • Fire Rating Regular
  • ASTM Type ASTM C1177; ASTM C473; ASTM D3273; ASTM E136; ASTM E84; ASTM E96
    • Flame Spread 0
    • Smoke Developed 0
    • Fire Rating Regular

Physical Data

  • Thickness (in.) 1/2
  • Edge Square Edge
  • Panel Size 4 ft. x 8-12 ft.
  • Nominal Weight 1.7 lb./sq. ft.
  • Material Gypsum with Fiberglass Face

Documents & Files

Data Sheets & Specifications

Data/Submittal Sheet (English) PDF 291.9 KB

White Papers

Sell Sheet (English) PDF 4.7 MB

Installation & Technical Manuals

Installation Guide (English) PDF 11.1 MB

SDS, Certifications & Reports

SDS (English) PDF 102.3 KB
SDS (Spanish) PDF 107.3 KB

Warranties

Warranties (English) PDF 123.8 KB

Ask a question

Our customer support team will get back to you as soon as possible.

Question Guidlines

  • Questions should relate to this product specifically.
  • For help with pricing, availability, or delivery, please call 800.874.4968 (Monday–Friday, 7am–6pm Central)
  • All questions and answers follow USG’s Terms & Conditions.
  • Your question and USG’s answer may be posted to this page in the future, but none of your personal info will be included.

q & a

  • Be the first to ask a question

    Let us do the research. We’ll get back to you as quickly as we can.

    Ask USG
  • Need help right away?

    Call our technical support team at 800.USG.4YOU (874.4968)

Top