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Post Info TOPIC: vacuum laminated walls...good or bad?


RV-Dreams Family Member

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vacuum laminated walls...good or bad?


Vacuum laminated walls...

Ok, so I hear the term and it sounds good, but what is it and is it really a good thing or bad?  How well does this process hold up over time?  What if you have a leak?  Are repairs costly, etc...Help me understand this.  Thanks



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RV-Dreams Family Member

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Well the name pretty much explains it. The wall is layered with glue in between the layers and then the whole wall is vacuum compressed to apply force to ensure good bonding of the glue.

It creates a wall, roof, or floor that is stronger than normal construction process.

Layer one is the inside wall complete with wall covering
Layer two is a combination of, some or all, wall studs (wood or aluminum), insulation, wiring, duct work, plumbing, sound dampening.
Layer three is usually thin plywood or luan
Layer four is the outside siding (Filon or ?)

It seems to hold up well as long as water doesn't get into the wall and begin delaminating the layers...usually the outside siding from layer 3.

Depending on how long the water sits and isn't taken care of the cost to repair can be expensive due to dry rot and mold and ??? other problems.

I had something go wrong right after we picked up our 5th wheel. I can't remember what the problem was but they had to remove the top half of the filon siding to fix the problem. This had been a full sheet of filon, vacuumed sealed wall. I was really disappointed they would have to cut into it. The job was completed and the new piece of filon glued into place. They used rollers to ensure a good bond. It's been 16 years and I'm just beginning to see signs of separation at the bottom edge of the replacement panel. I'm sure over the years water has gotten in there and worked on the glue.

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