VETUS Sonitech Light Sound Insulation Sheet 20mm Aluminium Facing

VETUS Sound Insulation Beginner's Guide:

Preparing the engine room
Sound is like water and until the last gap is closed, it will find a way out of the engine room. Therefore it's important to cover as much of the surface in the engine room as possible and to close all possible leaks. Any small gaps or holes in, between or under the bulkheads should be filled with flexible sealant, foam or other material. When the ‘engine room’ is in direct contact with the bilge or other spaces that run through the boat, it is recommended to build bulkheads or a box around the engine.

Fitting the sheets
While fitting the sheets, work around obstacles by cutting the sheet into the right shape and try to fit the puzzle as neatly as possible before actually sticking the sheets in place. Note that tanks tend to amplify noise. When a tank is in the same space as the engine, cover the tank in insulation sheets or build a bulkhead between them.

Hatches and air intakes
Hatches and air intakes may leak noise. Hatches can be soundproofed by using insulation tape between the touching surfaces. Air intakes however are more difficult to insulate, as the engine needs air for combustion and cooling. Creating a labyrinth or installing a special damper will generally solve the noise leak without choking the engine.

VETUS Sound Insulation Selection Table

Model	Damping Layers	Thickness	Facing	Weight	Class 0 Fire Resistant
Sonitech Light ST020A	0	20mm	Aluminium	0.4kg	no
Sonitech Light ST040A	0	40mm	Aluminium	0.7kg	no
Sonitech Light ST020W	0	20mm	White Foil	0.4kg	no
Sonitech Single ST135A	1	35mm	Aluminium	3.6kg	no
Sonitech Single ST145A	1	45mm	Aluminium	3.8kg	no
Sonitech Single ST135W	1	35mm	Glass Cloth White	3.6kg	no
Sonitech Single ST145W	1	45mm	Glass Cloth White	3.8kg	no
Prometech Single PT112A	1	12mm	Aluminium	3.6kg	yes
Prometech Single PT135A	1	35mm	Aluminium	4.9kg	yes
Prometech Single PT145A	1	45mm	Aluminium	5.4kg	yes
Prometech Single PT112W	1	12mm	Glass Cloth White	3.6kg	yes
Prometech Single PT135W	1	35mm	Glass Cloth White	4.9kg	yes
Prometech Single PT145W	1	45mm	Glass Cloth White	5.4kg	yes
Prometech Double PT225S	2	25mm	Glass Cloth Silver	7.2kg	yes
Prometech Double PT245S	2	45mm	Glass Cloth Silver	7.8kg	yes
Prometech Double PT260S	2	60mm	Glass Cloth Silver	9.2kg	yes
Prometech Double PT225W	2	25mm	Glass Cloth White	7.2kg	yes
Prometech Double PT245W	2	45mm	Glass Cloth White	7.8kg	yes
Prometech Double PT260W	2	60mm	Glass Cloth White	9.2kg	yes

VETUS Sound Insulation Product Datasheet

VETUS Sound Insulation Product Brochure

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