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Low-Slope Roof and Ice Dams
Can eave-to-ridge roof venting, vigilant air-sealing, and robust thermal control prevent ice dams in high-snow country?
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Insulating a Partially Finished Basement in a Cold Climate
Does it make sense to insulate the interior side of foundation walls with air-permeable fiberglass batts?
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Recurring Mold in the Attic
What is the source of moisture in this cold-climate vented roof assembly with cellulose insulation?
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Air-Sealing and Insulating an Existing Wall
What are the most effective air-sealing strategies and best insulation types for minimizing airflow through a north-facing wall?
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Considerations When Insulating With Dense-Pack Cellulose
Is netting and strapping the ideal method? What's the best drywall thickness? How can you minimize bulging?
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Engineering a Domestic Hot Water System to Meet High Demand
What’s the best back-up option for a big family that always runs out of hot water?
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High-Velocity HVAC Systems
Are smaller duct size and the ability to dehumidify reasons enough to install a system that distributes air at high pressure?
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Insulation and HVAC for a Detached Garage
Building scientist Kohta Ueno recommends slab, wall, and roof assemblies for a cold climate
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Choosing Wall Insulation for a New Build
What’s the best combination of exterior and interior insulation for a “forever” home?
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Footings for Load-Bearing Posts
A homeowner wants to fix a "bouncy" floor by adding a new beam. Do the posts need footings?
