Rockwool insulation floating foundation
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Expect to pay a little more than Rockwool panels. Hemp is Hypoallergenic and natural so no special safety gear such as gloves or masks are required during installation and it can help ensure a home with extremely safe and clean air quality.Ĭons: It’s not a cheap material just yet, but hopefully that will change as it earns a larger market share in the mainstream industry. It works to reduce sound transmission and is resistant to insects and pests. Hemp batts handle moisture quite well, and can safely absorb moisture contained in framing materials making it a durable form of batt insulation. Pros: Hemp acts as carbon storage, it is renewable and non-toxic. As it is a newly emerging raw building material, no market for recycled materials has formed, but the materials are recycleable and reusable. Recycled content: Hemp is a natural and renewable material, making hemp batt insulation (and hemp boards) a very sustainable building material. Hemp insulation: Hemp batt insulation © Nature Fibres Given the chronic water and humidity problems that plague basements, stone wool is a much more suitable product for basement wall insulation than fiberglass. Once it dries it will maintain it's original R value. It is hydrophobic (meaning it will not absorb water and moisture), so it can get wet without causing great concern. Note: Rockwool insulation is a favourite of ours because of its durability and versatility. It is completely permeable to and unharmed by moisture, so there is less risk of damage during installation as well as during its operational life. Reasonably low impact in production raw materials are abundant it offers good R value and reasonably good soundproofing. Method and form: Batts are most common but it’s available in rigid. Read more about which are the best rigid cellulose foam insulation panels here Fibreglass insulation And better still is when the natural alternative for these plastic based rigid foam insulation boards is a naturally derived cellulose high-performance panel with a higher R-value than current rigid insulation panels such as EPS, XPS and Styrofoam. Researchers at Washington State University have developed a rigid cellulose foam insulation panel that one day we hope will replace plastics based foam as a standard building insulation. This product has us really excited, because it's looking like a "game-changer" though it is still in the research stage and not yet commercially available, it deserves a mention.
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UPDATE: A new environmentally-friendly rigid foam insulation board made from cellulose nanocrystals is a viable alternative to Styrofoam - according to researchers at WSU. Notes: All around this is the best choice for performance and environmental impact, but not recommended for basements due to its sensitivity to moisture.Ĭellulose rigid foam panel insulation Cellulose rigid foam insulation is a greener choice than styrofoam It’s also an excellent choice for insulation packed into walls because it allows little air infiltration and it’s fire and insect resistant. Method and form: Cellulose consists of shredded newsprint and is non-toxic, recycled and generally local. It’s great for attics, you can blow it to whatever depth you want (with proper ventilation) and there are no seams to allow heat loss. Loose fill or dense-packed cellulose insulation Blowing cellulose insulation in roof © Ecohome Understanding the physics behind how walls work is the key to designing well-insulated, airtight and durable wall systems.
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If you have a working knowledge of building science then forge ahead, if not, check out this video about high-performance wall construction and insulation first to learn the basics. Not all insulation materials are the same, and they are not always interchangeableĪ basic understanding of how walls work is needed to help you understand what you can reasonably expect insulation and building materials to do for you when they are part of a wall assembly.