"Sean thanks for pointing that out. You may have missed my point. If a home has high humidity and you add SPF, it needs to be dehumidified to within published standards. A well balanced HVAC system helps maintain a balanced home. In some homes the…"
"This link show's a risk you face when using closed cell without a balanced HVAC system. Your risk using open cell I described previously. This only shows insulation alone will not eliminate your problems if you do not plan…"
"Guy's this leak stuff is a made up story by a major spfi chemical manufacturer. At that time when the story was flying all over town, this same manufacturer did not have closed cell in it's inventory. People believed it and obviously still…"
"Should be 2 inches of closed cell and then cellulose. The closed cell will act as the vapor barrier. Cellulose will act as the flame retardant. Both can work as a system.
Most importantly the installer's credentials and insurance must be…"
"Sean is spot on! However, spfi (spray polyurethane foam insulation) products do not react properly with existing moisture problems. This can change the cellular structure and ruin the product if existing moisture is present at the time of…"
"Sounds like you have it under control. May I recommend adding drainage inside the basements perimeter to make up for the hydrostatic issues hidden beneath the floor and direct them to a sump. Also adding waterproofing sheet membranes on the walls…"
"Old homes are not great candidates for ASHRAE standards. It can be achieved with risk. Unless the energy rater understands all the hidden problems associated with the old home in question, air sealing can present some long term health issues with…"
"Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you! Don't…"
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