Cellulose Insulation
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Attic Upgrades and Ventilation
Do better insulation and new heating-cooling equipment warrant mechanical ventilation?
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Insulating Century-Old Walls
Is it better to approach insulation upgrades from the interior or the exterior?
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Going Above Prescriptive Code Insulation Values
How much is too much? Consider this rough cost-benefit analysis of adding extra cellulose insulation to an attic floor.
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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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Details for a “High-Performance Garage”
An insulated slab, Larsen truss wall system, careful air-sealing, and dense-packed insulation in deep cavities mitigate heat losses at a garage door
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IRC 2021 and the Ratio Rule for Hybrid Roof Insulation
Correcting an outdated table of energy code–mandated R-values
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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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An Update from TimberHP Wood Fiber Insulation Manufacturers
North America's first manufacturer of wood fiber insulation products for domestic distribution reports on its new operations
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TimberHP Begins Production
The Maine-based enterprise is North America's first manufacturer of wood-fiber insulation products made for mass-market distribution
