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Old 01-02-2013, 10:17 PM   #1
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Mattress Isolation?

One coleegue showed me in the rear cabin the matress isolated for humidity with a sort of plastic squared springs.
Any experience on this?
thanks
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Old 01-02-2013, 10:22 PM   #2
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HyperVent Marine - Putting An End To Condensation

A really good solution, but expensive. Others have used cedar trellis material or polymer. There have to be other materials, as this is just an open melt-spun polymer.
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Old 01-02-2013, 11:05 PM   #3
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I use it, and can say it solves conensation issues very well.

Defender sells it for about $10/ft
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Old 01-03-2013, 12:41 AM   #4
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We use HyperVent. We got it at Fisheries Supply. Works great, never any moisture under the mattresses.
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Old 01-03-2013, 06:28 AM   #5
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If the mattress is just on a slab of plywood , drilling holes works well .

The area under the mattress will need to be vented to the cabin too.

Frequently under bunk storage is isolated from the boat , is colder as it has the cold hull chilling it , so the warm air condenses under the mattress . The heat and humidity from bunk occupants adds to the moisture.
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Old 01-03-2013, 10:38 AM   #6
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First you have to make sure your mattress does not absorb moisture as many due. We have an electric blanket on low 24/7 during the colder months, which keeps the bed warm and dry. Crawling into a warm dry bed is the next best thing to having a warm body to keep you warm!
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Old 01-03-2013, 01:29 PM   #7
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Quote:
Originally Posted by Phil Fill View Post
First you have to make sure your mattress does not absorb moisture as many due. We have an electric blanket on low 24/7 during the colder months, which keeps the bed warm and dry. Crawling into a warm dry bed is the next best thing to having a warm body to keep you warm!

I did not mean that much with my question !!!
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Old 01-03-2013, 11:26 PM   #8
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Quote:
Originally Posted by Phil Fill View Post
First you have to make sure your mattress does not absorb moisture as many due. We have an electric blanket on low 24/7 during the colder months, which keeps the bed warm and dry. Crawling into a warm dry bed is the next best thing to having a warm body to keep you warm!
And much cheaper.
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Old 01-04-2013, 06:04 AM   #9
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Having enjoyed a couple of decades of NYC winters aboard , for the dockside or offshore sailor , this is the best item that can be aboard.


12 Volt Bunk Warmers - Electrowarmth Products

electrowarmth.com/12-volt-bunk-warmers?url=12...bunk-warmers


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Old 01-04-2013, 07:47 AM   #10
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Infrared heat lamp under the galley sole, under the engine and under the bed. Toasty feet, toasty Volvo, toasty butt. Damn cold in Lake Ontario right now.
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Old 01-05-2015, 11:07 AM   #11
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Installed the much recommended HyperVent under mattresses last weekend. Due to its obvious value, I also now fully recommend it.

Order through:

Website - HyperVent Marine - Putting An End To Condensation

Email - 'hypervent_info@comcast.net'

Phone - 360 657 5503

Ask for Rex. Tell him Art with Tollycraft tri cabin sent ya. He’s great guy to work with. I have no affiliation with Rex or HyperVent… just helping to spread news on what I feel is a good, useful marine product.

Happy Condensation-Evaporation Daze! – Art
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