Comparison Table

Please click on any of the following solutions below to see more information about that solution. All systems have been tested by manufacturer to regulation E standard and the test results are listed here. For ease of fitting and overall cost we recomnend the Isosonic hanger solution listed below.

System	Access	Airborne (Dntw+Ctr)	Impact (Lntw)	Approx Price/m2	Floor height gain	Ceiling height loss
Regulations (refurb)		>43db	<64db
Isosonic type C	Best to retain exisiting ceiling	51	55	£30.50 exludes 19mm tongue and groove chipboard /flooring finish	Typical 19mm T&G or sealed original floor+6mm Base underlay+wooden floor of choice	91mm
MF Dec18	floor ceiling required	49	49	£36.35	26mm build up from existing flooring surface on average 45mm total from joists	41mm
MF DEC 9	Floor ceiling access required	48	48	£39.50	17mm build up from existing flooring surface on average 36mm from joists	41mm
MF TRI DEC	No resilient bars need adding to ceiling	46	56	£43.60	35mm build up from joists. Note with Lath and plaster ceiling no reilient bars need adding	0mm
BG SIF		51	55	£34.30 flooring cost not included	7mm above original joist height	41mm
Typical Lath and Plaster ceiling		35	76
Typical Ceiling (12.5mm Plasterboard		31	81