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Q&A
- Solar water heating design
- New roof with rigid foam under 3/4 inch plywood sheathing?
- Estimating add’l kWh for mini split heat to size solar system
- Replace, clean, or encapsulate old sheathing, and ok to seal both sides?
- ERV ducting
- Closed cell spray foam insulation to underside of flat roof
- Unvented roof on an occasionally heated building: is roof insulation necessary?
- Suggestions for where to post a job opening
- Basement interior plaster or stucco over a drainage mat