• Seismic Expansion Joint Covers

    Representing Watson Bowman and Situra Waterproofing Expansion Joint Products, Architectural Accent provides technical and installation services for Architects, Contractors, and Building owners throughout Southern California. Our Expansion Joint Covers product specialist provide specification and detailing guidance for both new and restoration applications.

    Architects, contractors and owners turn to Architectural Accent for solutions to their expansion and seismic joint problems. With a broad range of standard cover systems, a history of innovation and unmatched knowledge, Architectural Accent has become the preferred partner on some of the most prestigious projects in Southern California.

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    Watson Bowman BASF

    Founded in 1950, Watson Bowman Acme is a world wide leader and a recognized innovator in the development and manufacture of expansion joint control systems for the construction industry.

    WBA at a Glance 

    Watson Bowman  is the only Expansion Control Company servicing the Bridge and Highway, Architectural, and Parking and Open Air structures markets, offering the broadest range of products and services in the construction industry. The key to Watson Bowman’s success  is providing innovative, quality products and engineered solutions.

    Watson Bowman Acme Corp. is located in Amherst, New York. They have 100+ dedicated employees working to service  customers in the United States and Canada.  The facility houses all business activities allowing for seamless & coordinated operations to support all customers needs.

    For more than 50 years WBA has developed and manufactured products for some of the worlds most unique and complex projects. While WBO’s  focus has been in the area of expansion control for civil structures, thier technical expertise is far reaching. Today WBO is expanding beyond these core products and offering specialty products and services to a host of markets. They have a fully qualified engineering staff of professional engineers and designers backed by strong relationships with national testing labs and universities. Thier professional operations team employs the principles of lean manufacturing, and enterprise resource planning tools, all supported by  formal ISO 9001-2008 and AISC quality management systems.

    Product Listing: Roof Bellows, Wall Covers, Waterproofing Seals, Interior Expansion Joint Covers for floors, walls, ceilings, cover plates, open-air structures, Jeene, Fire-Blankets,



    Situra Redline: Manufactured by leading global manufacturer and supplier of expansion joint waterproofing systems for above and below grade waterproofing and roofing applications. The Situra Redline and Flamline offers continuous waterseal and expansion membrane for tieing in plaza decks, podium decks, flat roofs and vertical walls. Learn More

    Product Listing: Redline, Aqua-line, Situra, Flam-line



    How Architectural Accent can help you…

    Architectural Accent can provide technical and specification guidance on both new and existing expansion joint rehabilation projects. Our understanding of both the thermal and seismic dynamics of a building structure, along with the necessary waterproofing tie-ins and moisture management requirements of the expansion joint and moisture barrier can help the building owner and the installation contractor select the most appropriate expansion joint cover and moisture barrier for the project.

    Moreover, Architectural Accent are experts in Roofing and waterproofing systems. Our knowledge of traditional roofing and single-ply roofing membranes make us an ideal candidate for assisting facility managers, architects, and speciality contractrors plan, detail and install new expansion joint solutions when necessary.

    Architectural Accent works closely with Southern California’s top concrete repair/strengthening, waterproofing, coating and roofing contractors on a daily basis, and can help you find the best installer for your project. Many of our installation contractors have been factory trained and certified by Watson Bowman and Situra and can offer extended and full system water-tight warrantys on many expansion joint products.

    Whether you are a building owner, a property  or facility manager, a general contractor, consultant, architect or specialty contractor, Architectural Accent should be your first and only resource for new and replacement expansion joint covers, fire-blankets, cover plates, water seals, and moisture barriers.


     Architectural Accent specializes in the specifying and detailing of energy efficient waterproofing, roofing and expansion joint products that unify the entire building envelope for new and exisiting building structures.  For additional information on Restoring and Repairing Seismic Expansion Joints and or Re-roofing with KEE Single Ply Roofing Membranes by Fibertite, please contact brian@archaccent.com or call 888-343-9844


    Key Terms: Architectural Accent, Expansion Joints, expansion joint repair, contractor, Fire-Blankets, Fibertite, Los Angeles, Southern California, Replace, Restore, Re-roof, Repair, Watson Bowman, BASF, Hunter Panels, Single-ply Roof, fix,


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