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    Building Sound Insulation: Neoprene 60 HG – Bearing Strips For Joist Isolation

    Reglin Neoprene 60 HG Rubber can be used as a bearing strip for noise reduction between structural timber flooring panels and steel beams for construction of office buildings.
    Location: Melbourne City
    Client: Construction Company
    Project: Multilevel Office Building

    SHORT LEAD TIMES, STEEL STRUCTURAL SOUND INSULATION CHALLENGES

    A newly designed multi storey office building in Melbourne’s CBD, was being constructed with a steel frame which had a requirement for installing the newly released, Cross Laminated Structural Timber Panel Flooring System. This system needed to be included immediately on each storey of the steel frame structure before the next level could be started.

    It was also critical to assure that the flooring system be installed onto the steel beams for maximum contact with the surface area and be secured in such a way to allow for the varying expansion between the steel and timber materials, whilst assisting to comply with the Building Code of Australia (BCA) Sound Insulations Regulations between floors.

    Load restraint for packs & pallets diagram

    Fig. 1a

    The customer ultimately needed a flexible and compressible isolation layer between the flooring timber and steel beams, which ensured a long-lasting performance capability. A fast solution was also critical to meet the construction timeline for the first level flooring to be installed to avoid delay.

    FLEXIBLE JOINT: USE NEOPRENE 60 HG RUBBER AS AN EFFECTIVE SOLUTION

    Reglin Rubber supplied Neoprene 60 HG Rubber Strips and Pads to be laid on the steel beams underneath the flooring panels to create a flexible joint. The premium Neoprene 60 HG Rubber physical properties were ideally suited as its high load bearing capacity was ideal for the timber flooring panels as well as the trafficable loads that the construction needed to deliver once the office building was in use.

    The compressibility and compression set properties of Neoprene 60 HG allowed for the absorption of the variances in the rigid steel beam structure, ensuring the maximum surface contact area with the timber flooring. This effectively reduced the movement between the building materials and the potential for structure-borne noise transmission.

    Load Restraint Force Diagram

    OUTCOME: REGLIN NEOPRENE 60 HG RUBBER STRIPS PERFORMED TO MEET THE CUSTOMER’S EXPECTATIONS

    The Reglin Neoprene 60 HG Rubber Strips and Pads were fit for purpose and were a successful and fast solution for the installation of the laminated timber flooring panels. This rubber solution also worked effectively to deliver a flexible floor jointing system, which met all requirements for building material movement challenges and the Australian building sound insulating regulations.

    Read about our solutions ‘Use Flexible Load Bearing Rubber Strips for Rigid Construction Joints’, tab here.

    OUR RUBBER PRODUCTS AS MENTIONED IN THIS CASE STUDY

    Reglin Rubber supplies a range of durable premium rubber sheet products to suit the demanding long design life requirements of the construction industry. These products are able to endure UV radiation and are resistant to weather or ozone affects and can be utilised in a range of bearing and sealing applications, which are supplied in varying thicknesses, sizes and hardness depending on service requirements.

    Reglin customisation permits rubber sheets to be supplied in rolls, custom cut strips or pads to ensure easy installation on-site and to meet the particular requirements for the application.

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