Simply Efficient Sound Insulation Testing

Construction Guidelines: Maximising Sound Insulation
Dos and Don’ts SEPARATING WALLS Do...
  • lay bricks frog up
  • tape and seal all joints on panel walls
  • fill and seal masonry joints with mortar
  • keep the cavity leaves separate below ground floor level
  • use bricks/blocks that extend to the full thickness of the wall
  • stagger the sockets on opposite sides of the separating wall
  • fix the panels or the supporting frames to the ceiling and floor only
  • ensure any fire stops in the cavity are either flexible or fixed to one frame only
  • ensure that an external cavity wall is stopped with a flexible closer at the junction
  • control flanking transmission from walls and floors connected to the separating wall
  • ensure independent panels and supporting frames are not in contact with the existing walls
  • allow for movement of materials
  • use the correct density of resilient layer and ensure that it can carry the anticipated load
  • fill all joints between parts of the floor to avoid air paths
  • seal the perimeter of an independent ceiling with tape or sealant
  • control flanking transmission from walls connected to the separating floor
  • lay resilient materials in rolls or sheets with lapped joints or with joints tightly butted and taped
  • continue the resilient layer up at all room edges to isolate the floating layer from the wall surface
  • leave a small gap between the floating layer and wall edge/skirting and fill with a flexible sealant
  • fix or glue the soft floor covering to the floor (floor type 1 - concrete base with soft floor covering)
  • fill any gap with mortar that may form between the masonry wall and the underside of the concrete floor
  • give attention wherever a pipe or duct penetrates the floor, to reduce flanking transmission and air paths
Do not...
  • create bridges
  • use deep sockets and chases
  • place sockets back to back
  • tightly compress the insulation/absorbent material
  • convert a cavity type 1 wall into a solid masonry wall
  • build cavity walls off a continuous solid concrete slab floor
  • fix, tie or connect free standing panels or the frame to the masonry core
Do not...
  • allow the floor base to bridge to the wall
  • create a rigid or direct connection between the ceiling and the floor base
  • use non-resilient floor finishes such as ceramic floor tiles and wood block floors that are rigidly connected to the floor base
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Wealden Place Business Park
TN13 3QQ
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Site Sound Ltd is accredited by the United Kingdom Accreditation Service (UKAS) as a testing laboratory No. 4380. The scope of the accreditation is limited to provide Sound insulation testing, i.e. pre-completion testing for Building Regulations Approved Document E: 2003 and L1 Air tightness testing . All other services will be carried out to the same high standard but will not be UKAS accredited.