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A nontoxic water-based vibration absorbing material. You apply it just like paint and it dries to a hard surface which absorbs noise and vibration and converts it into low-grade heat.
[Current, Inc., East Haven, CT, USA]
Flexible, formable, lightweight sound insulation to help keep engine noise from living spaces, reduce splash noises in shower stalls, and attenuate wave slap noise in the hull, among other purposes.
[3M, St. Paul, MN, USA]
Proprietary rigid and flexible acoustic insulation. Clear descriptive information, technical and installation drawings, and Q&A′s about how their products work.
[Glacier Bay, Inc., Oakland, CA, USA]
Engine compartment soundproofing peel-and-stick flexible tiles. Sound dampening foam with hard polymer sound disrupting surface.
[Sailor's Solutions Inc., Northport, NY, USA]
This mount can be soft to reduce engine vibration because a separate part of it handles the horizontal thrust of the engine. Most rubber mounts have to be too hard for the first task in order to handle the second.
[Evolution Company, Inc., Rockland, ME, USA]
The maker of marine soundproofing materials provides this primer on absorption, transmission loss, and vibration damping, and how soundproofing materials are tested.
[Technicon Industries, Inc., Concord, NC, USA]
Aquadrive takes the propulsion force off the engine by placing a thrust-bearing joint in the drive shaft. This permits looser engine mounts. Both changes reduce vibration and propulsion noise and avoid shaft alignment problems.
[Aquadrive, Atlantic Highlands, NJ, USA]
Wide line of marine equipment from the Quality Line division of Volvo Penta, including thrusters, instrument displays, pumps, water heaters, propellers, cabin heaters, windlasses, and sound-deadening material.
[QL, USA]
Cork/rubber acoustic panel with plywood surfaces for interior bulkheads to reduce noise transmission and vibration.
[Tricel Honeycomb Corporation, Gurnee, IL, USA]
Acoustical panels and barrier materials of foam, fiberglass and other materials. For original build and retrofitting of bulkheads, floors, carpet pads, and engine mounts. Some basic tips on suppressing noise on a boat.
[Hamilton Jet Ltd., Christchurch, New Zealand]
Modest noise reductions of 4 dB can mean up to a 25% reduction in perceived noise and are well worth the trouble to achieve.
Hamilton Jet
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