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How are you covering your RMH?

 
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Hey All,
I'm putting the finishing touches on my RMH heater that I built last winter.  I recently added concrete countertops to top off the masonry.  

Note this thing doubles as my bed.  I currently sleep on top of a half dozen comforters, blankets and sleeping bags.   Next I'd like to make some kind of cushion or something to sleep and sit on.  

Like most Mass heaters this thing gets hot! I had a rubber camping sleeping mat at the base of my pile and it melted up pretty good.  I measured 130 F the other day 10 hours after the last burn.

So I'm looking for materials that are soft and comfy but can withstand the high temps.

How are you covering your mass?  Any suggestions?

Thanks
Rich
IMG_0576-(1).JPG
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Masonry Rocket Mass Heater with concrete countertops
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melted camping pad
 
pollinator
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My RMH is in my shop so I havn't ever used it with fabrics of any kind however, In the RMH Builders Guide on page 123, it is recommended to use natural fabrics. The following link also gives some helpful advice:Material for padding on top of bench
 
pollinator
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I'd have a look at straw or bamboo mats (tatami). That's a beautiful RMH, by the way.
 
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