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PLEASE NOTE !! THIS PRODUCT IS VERY HEAVY AND REQURIES TWO PEOPLE TO CARRY IT.
OUR STA-STUK SPECIAL SPRAY ADHESIVE IS A CONTACT ADHESIVE. ONCE THE PRODUCT IS OFFERED UP TO THE SURFACE AND STUCK IT CANNOT BE EASILY RE POSITIONED.
For best results the SoundBlocker Membrane should be sandwiched between plasterboard sheets using our special spray adhesive
If you wish to up-rate the performance we would advise stapling another layer over the underside of joists before acoustic plasterboard sheets are added. This gives the best performance but is nowhere near as good as the full resilient bar system.
Fill in the cavity space between the joists with 100mm of our Acoustic Mineral Wool before screwing the Resilient Bars across the underside of the joists. The first layer of 12.5mm acoustic plasterboard is screwed to the bars then glue a layer of SoundBlocker Membrane to a second layer of plasterboard using our Sta-Put aerosol contact adhesive and screw up to the first layer ensuring the screws go through and into the Resilient Bars taking care not to screw into the joists. The membrane can be overlapped at any seams and should be adhered to the plasterboard before fixing to the ceiling. Do not attempt to glue the membrane directly to the ceiling first because this will be too difficult.
SoundBlocker Membrane is only suitable for upgrading stud walls by sandwiching the product between two layers of Acoustic Plasterboard and for best results, should be used with our Resilient Bars and Acoustic Mineral Wool. If the product is going to be used to upgrade a separating party wall, the stud should be installed 25mm away from the existing wall and we suggest 75 x 50mm stud as being the most suitable. Infill with 100mm of AMW100 Acoustic Mineral Wool then screw Resilient Bars across the stud as detailed in the Resilient Bar installation instructions. The rest of the installation is as described for the ceilings above.