Does anyone know the benefits or disadvantages of cross laminated polyethylene vs non cross laminated for a crawl space membrane?I'm just not finding any info on what the differences or benefits…Continue
"Do a duct test. Total Duct Leakage! Measure RH at return and supply. Verify humidifier is on. If that humidifier is working you could be pumping humid hot air into building cavities. A recipe for mold and mildew"
"This screams oversized! Why the two furnaces? Split system for two floors?
I would think 2 furnaces would use more energy than 1. As you have to start up and power two blowers now.
Sorry not familiar with HOT2000. Good Luck! "
"50K is not much to work with. I would look to air seal units. It will also improve sound and smell transfer between units.
2nd I would look to HVAC for comfort. HVAC and Air sealing usually solve many comfort issues. Is the HVAC system ducted? if so…"
"Awesome write up. Very well done and to the point. Always someone who wants to challenge this with the "Homes need to breathe" comment. I think it means, "I just want the status quo so i can be lazy and cheap.""
"I use 20 mil poly on my crawlspaces and now a high traffic 90 mil has been added to the marketplace. Usually they have a scrim fiber between layers to resist tearing. Remember a 1/2" hole negates the purpose of sealing in 1500 ft. so the better…"
"Closed, conditioned crawlspace. Not high traffic, I would say no traffic. It is a half basement/ crawl. closed cell spray foam on crawl walls, poly will be sealed w acoustical sealant.
I am planning on 10 mil poly and the contractor wants to use…"
"I have done this before. We did not use hydronic heat or radiant barrier. We used all EPS foam leaving a small half inch gap between foam and wood framing to foam in w a can. Yes we cut and filled the whole framed cavity as well as a 2" EPS…"
Does anyone know the benefits or disadvantages of cross laminated polyethylene vs non cross laminated for a crawl space membrane?I'm just not finding any info on what the differences or benefits are.Would you use regular sheet 10 mil polyethylene or 4 mil cross laminated polyethylene?See More
"I would argue that keeping the solar panels cool is more important as you will produce more power. Adding heat adds more resistance on the electrical system decreasing efficiency. I would go for a larger air gap. A study was just done in Des Moines,…"
"Im specifically thinking of floors over garage. Builders here often use rigid insulation under the FOG. Or, most out builders do blown insulation to meet the substantial contact rule. That's what we typically see in my area. Last "crawl…"
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