DWFXTM Installation Guide.qxd - Actionair

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DWFX TM Installation Guide17 Finish the installation of the track and studFinish the installation of the track and stud by fastening at300mm centres with grabber plasterboard screws of length tosuit the board thicknesses used.18 Line the hole with boardCut pieces of board to line all four sides of the hole. These shouldbe of a length to suit the width and then slightly reduced to fill inthe sides. The board should be cut to a width to suit the wallthickness. After installation any rough edges should be smoothedback. The board must be held in place with additional grabberplasterboard screws19 Finish the holeFinish the edges with plasterboard joint filler and finish.6 www.actionair.co.uk
DWFX TM Installation Guide20 Drill clearance holes in the damper flangeDrill clearance holes in the damper flange, marking out such thatany fasteners used will pass through the board materials andpenetrate the tracking and studding behind. Centres should beapproximately 150mm. This needs to be carefully calculated fromwall design, the gap around the damper and the thickness ofboard used to line the hole.22 Backfill with mineral fibreThe gap around the damper between it and the wall structuremust be in filled with mineral fibre, similar to that forming thestructure of the wall.21 Install the damperPlace the damper in the hole in the wall. Use some pieces ofplasterboard as shims to ensure that the damper is equallypositioned in the hole. Push the flange flush to the face of thewall. Fasten the flange to wall by carefully using plasterboardgrabber screws of such a length that a good fastening is madeback to the stud and track lining the hole.23 Finish off with patressMake good the joint with the wall by use of a patress, this has theadditional benefit of preventing leakage of the mineral wall infill.Grabber screws at 300 centres.www.actionair.co.uk7
Page 1 and 2: December 2006DWFX TM Installation G
Page 3 and 4: DWFX TM Installation Guide1 General
Page 5: DWFX TM Installation Guide15 Frame
Page 9 and 10: DWFX TM Installation Guidewww.actio

DWFXTM Installation Guide.qxd - Actionair

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