![]() ![]() Which performs far better acoustically.Ī Wool batt is able to better facilitate drying to the exterior when subject to vapour and moisture due to the natural lanolin oils retained. Polyurethane foam overtime has shown to become brittle and break apart which is the last thing you want for long term performance, ideally you want a material that is soft and fluffy, (as opposed to dense like a foam) such as ideally a wool batt or secondarily a fibreglass batt. Hi there I'm an Architectural Designer, Certified Passive House Consultant & Licensed Building Practitioner in Design 2.įirst question is, why SIP?, the original reasoning for SIP panels is in my understanding is speed of construction and thermal performance, but those in the know building passive houses in NZ and experienced with SIP can tell you that, SIPS don't quite achieve either of those very well unfortunately in NZ currently.įirst off SIPS tend to use a foam filled core such as EPS, XPS, or Polyerethane Foam, and while those all have reasonably good U & R values, foam isn't the sort of material you want in your walls, ![]() If you are an industry professional or otherwise have experience with the diy /construction industry or wish to have a unique flair next to your name feel free to use modmail, or message u/willuknight or u/Duck_Giblets with your request and it will be done at the earliest convenience. Please be respectful to each other, and check out our rules. We welcome any questions you may have about the construction industry here in New Zealand, whether it be about consents and what work requires them, planning advice, guidelines on how to hire a contractor if you feel out of your depth with diy, advice on if your contractor is doing his or her job correctly or information around the building code. We also want to support all aspects of homeownership (and renters) as a place you can come to for New Zealand specific advice, information, and experience. We're not just limited to work around the home or yard, if you have an interesting hobby or have made a frugal fix feel welcome to post. This subreddit exists for two main reasons to encourage and motivate people in looking after their home / doing DIY / hobbist projects and provide a place to show off your work and be inspired by others. ![]()
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