UL 55A
Standard for Materials for Built-Up Roof Coverings

DETAILS
Edition Number:13SCC Approved:--
Edition Date:2004-11-19DOD Approved: --
Price Code:AANSI Approved: --
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover the following materials for use in the construction of built-up roof coverings:

    a)    Hot-Mopping Asphalt – For use in the construction of coverings having either no surfacing or utilizing surfacings of cold-application roof coating on inclines not exceeding 12 inches (305 mm) to the horizontal foot, and for use in the construction of coverings surfaced with gravel, crushed stone, or crushed slag, on inclines not exceeding 3 inches (76 mm) to the horizontal foot.

    b)    Asphalt-Saturated Organic Felt – Type 15 (plain or perforated) and Types 20 and 30 (plain), including cap and base sheets.

    c)    Coal-Tar Pitch – For use in the construction of coverings surfaced with gravel, crushed stone, or crushed slag, on inclines not exceeding 3 inches (76 mm) to the horizontal foot.

    d)    Coal-Tar Saturated Organic Felt – Type 15.

    e)    Asphalt-Coated Glass-Fiber Mat (Felt) – Type G1 (ply sheets), Type G2 (cap and base sheets), and Type G3 (granular-surfaced cap sheets).

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Glossary
          • 3 General
            • 3.1 Units of measurement
            • 3.2 Undated references
        • MATERIAL
          • 4 Hot-Mopping Asphalt
          • 5 Coal-Tar Pitch
          • 6 Felt
            • 6.1 Organic felt
            • 6.2 Glass-fiber mat (felt)
          • 7 Saturants and Coatings
            • 7.1 Asphalt
            • 7.2 Coal-tar pitch
          • 8 Saturated Felt
            • 8.1 Organic felt
          • 9 Asphalt Coated Glass-Fiber Mat
        • FINISHED PRODUCTS
          • 10 All Products
          • 11 Saturated Felt
            • 11.1 General
            • 11.2 Asphalt-saturated felt
          • 12 Coated Mat
        • TEST METHODS
          • 13 Softening Point Tests
            • 13.1 Asphalt test
            • 13.2 Coal-tar pitch test
          • 14 Flash Point Tests
            • 14.1 General
            • 14.2 Method I
            • 14.3 Method II
          • 15 Weight Tests
            • 15.1 Weight of felt test
            • 15.2 Weight of glass mat test
            • 15.3 Percent saturation of felt test
            • 15.4 Weight of asphalt coating on glass mat test
            • 15.5 Weight of felt from finished product test
            • 15.6 Saturation efficiency of organic felt
          • 16 Percent of Ash in Felt Test
          • 17 Bending Test
          • 18 Heating Test
        • PACKAGING
          • 19 General
        • MARKING
          • 20 General