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    ​​​​​​​​​​​​​​​​​​​​​​​MasterSeal AWB 970 NP

    MasterSeal® AWB 970 ​NP is a 32-mil thick, self-adhering, self-sealing, composite membrane of polyester fabric and butyl adhesive. MasterSeal® AWB 970 NP is supplied in rolls, on release paper, for easy application.​​​

    As we continue the integration with Sika Corporation, please use this Product Name Cross Reference Guide​ to look up the previous Master Builders Solutions product name and the new SikaWall product name. Please contact us​​ if you have any questions.​​​​​

    ​Primerless application – 1 step application, no primer required
    ​Supplied in rolls on release paper - Easy application
    ​Senershield-R, Senershield-RS, Senershield-VB, and Senergy Base Coats can be applied to polyester face -  Use as part of adhesively applied EIFS
    ​180-day UV exposure  - Flexible construction scheduling
    ​Meets AAMA 711-13 


    1. ​Used as an air barrier accessory to connect different air barrier materials or assemblies together to make the air barrier continuous.
    2. Flashing at sills, approved sheathing joints, rough openings, and terminations.
    3. As an expansion joint seal.​


    MasterSeal® AWB 970 NP 4: 4" x 75' (10.2 cm x 22.9 m ) rolls,  9 rolls per carton
    MasterSeal® AWB 970 NP 9: 9" x 75' (22.9 cm x 22.9 m ) rolls, 4 rolls per carton


    MasterSeal® AWB 970 NP 4: 675 Lin ft (205.7 Lin m) per carton
    MasterSeal® AWB 970 NP 9: 300 Lin ft (91.4 Lin m) per carton​

    MasterSeal AWB 970 NP Data Guide Teaser Image

    MasterSeal AWB 970 NP Data Guide