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Marine Soundproofing

Marine Soundproofing

Escapes of marine systems are an important and often overlooked part of a marine engine. Most ships have a 'wet exhaust system. The salt water is injected into the elevator - the exhaust making the exhaust manifold. This mixture of exhaust gas and the water passes through a series of bends until it exits the boat, preferably aft.

The exhaust gases mixed with salt water to create a highly corrosive compound. Therefore, the exhaust systems are commonly made using non-corrosive components, such as nitrile rubber reinforced hose (brown - not green - Stripe), galvanized steel, fiberglass or plastic. The purpose of these components, which vary in size and shape depending on the engine size and layout of the engine room, is to prevent the engine hydraulicing. This is caused when the engine is filled with water salt which has entered through the exhaust gas and can cause major damage if left for more than two hours. The water enters the exhaust pipe of the wave action in the aft exhaust design and poor. Under some conditions of the ocean like a sea below, the water can be forced to return to the exhaust when the engine is not working. Poorly designed exhausts allow water to flow back and fill the waterlock / muffler box then through the hose into the exhaust manifold, through exhaust valve and combustion chamber. With the engine full of water the engine can not handle more, because you can not compress water.

You know hydraulic engine that is if it will not deliver - usually after a long sailing period - and you have removed the starter motor and to function. To remove water from inside the combustion chambers, first remove all injectors, crank the engine to fly over water nozzles renewal bleed the injection lines, and boot. Then leave the motor running until exhaust fixed.

Verify that the elevator is settling up or corroded - a common problem. To check the exhaust riser remove the exhaust hose of the elevator (often a difficult procedure) and search for the pipeline to see if it is restricted by the exhaust / salt build up. If the elevator is excessive build up must be removed to check the motor end of the pipe. Coca-Cola can be scraped to provide a short term solution, but often the elevator must be replaced. There are aftermarket systems which vary in quality. Sure you fit the right design for the application.

Make sure your water-lock is low enough and large enough to contain all water in the exhaust system. Is there a gooseneck or central vertical loop in the exhaust pipe at the exit of the stern? Is there a siphon break and is working properly - No exhaust valves?

The exhaust gas is poisonous and can cause dizziness and headache. Replace any parts fails immediately. Use hose clamps super double clamps each joint or, preferably, screw style and exhaust cement if necessary. Hot sections should be lined with fiberglass tape to avoid burns.

Be careful of delay of asbestos. Many older vessels and marine engine installations had exhaust systems that were lined asbestos tape and rope. Soundproof Asbestos was also common in older boats.

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Dynamat Xtreme Trunk Kit Heat & Sound Deadening Sale Price: $169.99   Eligible for free shipping! Availability: Usually ships in 1-2 business days See Reviews For This Product Description Dynamat Trunk Kit includes 5 sheets 18" x 32" each, for a total of 20 sq. feet. DESCRIPTION Dynamat Extreme is a patented, light-weight, elastrometric, butyl and aluminum constrained-layer vibrational damper. Dynamat Xtreme conforms and fuses easily to sheet metal and other hard substrates. APPLICATIONS Automotive Trucks RV and Buses Railroad cars Marine Home appliances Steel furniture Ventilation ducts Partitions Many others INSTALLATION Dynamat Xtreme should be cut to the desired size before the release liner is removed. May be cut with scissors, knife or die. Remove dust, grease, moisture, and other foreign matter from surface. Peel off release liner. The simplest technique is to bend the mat slightly and attach it along the shortest edge then press firmly into place. Mat and application surface should not be below room temperature. Heating material is not necessary.

Dynamat Xtreme Shop Pack Extreme Heat & Sound Deadening Sale Price: $34.99   Eligible for free shipping! Availability: Usually ships in 1-2 business days See Reviews For This Product Description Dynamat Xtreme Shop Pack contains 4 squares 10" x 10" (2.7 sq. feet)DESCRIPTION Dynamat Extreme is a patented, light-weight, elastrometric, butyl and aluminum constrained-layer vibrational damper. Dynamat Xtreme conforms and fuses easily to sheet metal and other hard substrates. APPLICATIONS Automotive Trucks RV and Buses Railroad cars Marine Home appliances Steel furniture Ventilation ducts Partitions Many others INSTALLATION Dynamat Xtreme should be cut to the desired size before the release liner is removed. May be cut with scissors, knife or die. Remove dust, grease, moisture, and other foreign matter from surface. Peel off release liner. The simplest technique is to bend the mat slightly and attach it along the shortest edge then press firmly into place. Mat and application surface should not be below room temperature. Heating material is not necessary.

Extreme Dynamat Xtreme Bulk Pack Heat & Sound Deadening Sale Price: $229.99   Eligible for free shipping! Availability: Usually ships in 1-2 business days See Reviews For This Product Description Bulk Pack contains 9 sheets 18" x 32" (36 sq. ft. total). DESCRIPTION Dynamat Extreme is a patented, light-weight, elastrometric, butyl and aluminum constrained-layer vibrational damper. Dynamat Xtreme conforms and fuses easily to sheet metal and other hard substrates. APPLICATIONS Automotive Trucks RV and Buses Railroad cars Marine Home appliances Steel furniture Ventilation ducts Partitions Many others INSTALLATION Dynamat Xtreme should be cut to the desired size before the release liner is removed. May be cut with scissors, knife or die. Remove dust, grease, moisture, and other foreign matter from surface. Peel off release liner. The simplest technique is to bend the mat slightly and attach it along the shortest edge then press firmly into place. Mat and application surface should not be below room temperature. Heating material is not necessary.