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    Comparison of Standard and SEBS Modified Asphalts in BUR Membranes

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    Results of a laboratory study comparing built-up roofing (BUR) membranes constructed with standard and styrene-ethylene-butylene-styrene (SEBS) modified asphalts are discussed. In addition to the two asphalts, variants include several ASTM standard reinforcements as well as a number of standard membrane configurations. Testing of these membranes will focus on load-strain testing at -18°C (0°F), with particular emphasis on the determination of how these variables impact several load-strain and strain energy physical properties. An adjunct to this work includes a comparison of the aforementioned asphalts with room temperature T-peel adhesion testing. This work concentrated on three polyester reinforcement combinations. Efforts to incorporate standard glass reinforcements proved futile as the glass fiber based products failed prematurely in all T-peel efforts.


    built-up roofing membrane, standard asphalt, SEBS modified asphalt, glass fiber felts, polyester mat, glass fiber base sheet, polyester base sheet, load-strain testing, T-peel adhesion testing

    Author Information:

    Chernotowich, AK
    Senior Chemist, W. P. Hickman Systems Inc., Solon, OH

    Brzozowski, KJ
    Director, W. P. Hickman Systems Inc., Solon, OH

    Sanicky, PJ
    Laboratory Technician, W. P. Hickman Systems Inc., Solon, OH

    Committee/Subcommittee: D08.03

    DOI: 10.1520/STP13298S