Re: Insulated Concrete Forms (ICF) | <– Date –> <– Thread –> |
From: Jerry McIntire (jerry.mcintire![]() |
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Date: Sat, 9 Jan 2016 11:16:34 -0800 (PST) |
This is the closest SIPS maker to you I believe. I don't know their prices, but they had a complete home, 3 BR 2 bath, for under $100,000 advertised in November. http://innovaecobuildingsystem.com/experience-the-difference/?utm_source=High+Performance+Energy+Efficient+Housing&utm_campaign=SIP+Panels&utm_medium=email Jerry On Fri, Jan 8, 2016 at 7:51 AM, castrohom--- via Cohousing-L < cohousing-l [at] cohousing.org> wrote: > > Thanks Jerry - and Tom > One of the considerations here in North Central Florida is that ICFs are > insect/termite and moisture/mold resistant. > Seems like SIPs are too costly - we are trying to keep costs down > Miranda > > On Jan 7, 2016, at 11:55 PM, Jerry McIntire <jerry.mcintire [at] gmail.com> > wrote: > > > > > Insulated concrete forms use lots of concrete, which has a bigger > > environmental impact than lumber (the equivalent structural component), > and > > plastic foam to insulate which also has a greater environmental impact > than > > recycled cellulose which is easily used in a wood-framed structure. > > > > If thermal mass is needed in a passive-solar design, ICFs don't provide > it > > because the concrete is insulated on both the exterior and interior. > > > > What are they good for? Basement walls maybe. > > > > SIPs panels are another alternative I like more than ICFs. They have a > > greater R (insulation) value per wall thickness than ICFs and have equal > or > > better structural value if polyurethane foam is used in the SIPs. They > can > > be used for roof, wall, and floor panels and they save on labor costs. > > > > Jerry McIntire > > > > On Thu, Jan 7, 2016 at 12:05 PM, Thomas Lofft <tlofft [at] hotmail.com> > wrote: > > > >> > >> > >> ON Date: Wed, 6 Jan 2016 10:39:27 -0500 > >> From: Miranda Castro <mirandacastro [at] aol.com> > >> Subject: [C-L]_ Insulated concrete forms > >> Miranda wrote: > >> Hi All > >> I am curious as to whether any cohousing group has used "insulated > >> concrete forms? in the construction of their homes - > >> or researched this and decided not to and if so why. > >> Thanks so much > >> Miranda > >> > >> > >> Hi, Miranda et al.: > >> At Liberty Village, MD, http://www.libertyvillage.com > >> there was one home built with ICF (Insulated Concrete Forms) which is > now > >> 15 years old. > >> I witnessed the construction, but was neither the builder nor the > project > >> manager, however, I do now own the home. > >> I have otherwise watched the development and use of this technology and > >> consider it very beneficial. > >> However, I'm not sure how its current cost balances against all its > >> benefits. > >> Local construction costs will depend upon both material and labor > typical > >> local cost variables. > >> > >> Benefits: It creates a very airtight structure, > >> It's very highly resistant to external noise; > >> It's well insulated and totally air infiltration resistant except at > >> openings for doors, windows and utilities which must be well sealed; > >> It's insulation levels can be upgraded by thicker ICF's at the onset. > >> The roof structure may be conventional framing or trusses with > structural > >> insulated panels (SIP's) used for roof structure. > >> > >> Constraints: > >> It requires a very well trained and experienced crew and manager to be > >> well constructed; > >> Like any other construction it is still totally dependent upon > >> knowledgeable soils testing and foundation construction; > >> Effective use for a PassivHaus would still require high insulation > values > >> for doors and glazing, possibly triple glazed; > >> I expect long term value will be very high, offsetting possibly higher > >> initial expense. > >> > >> Similarly, this house was also developed with Ground Source Geothermal > >> Heat Pumps for Heating & Air Conditioning (HVAC). > >> These also added front end expense in 2000, but very high value long > term > >> benefits with HVAC operating expenses less than 50% of comparable fossil > >> fuel costs. > >> I personally believe strongly in making front end investment for long > term > >> value, so I have added photo-voltaic (PV) panels to the rooftop. > >> In this case, the house was planned for perfect southerly roof > orientation > >> and all roof penetrations were avoided. > >> In 2014, 36 - 255 watt PV panels were added for a 9.2 KW DC system, > >> eliminating any electricity cost from last May through this month. > >> The house is about 2,400 sq. ft. on 2 levels, with three baths, four > >> bedrooms, 2 kitchens, 2 living-dining areas. > >> It is currently used as an upper and lower level duplex, and has an > >> attached 1 car garage. > >> It is now offered on the local real estate market for $385,000, > including > >> a 30,000 sq. ft. lot. > >> All inquiries are invited. > >> > >> > http://www.realtor.com/realestateandhomes-detail/9158-Liberty-Village-Way_Union-Bridge_MD_21791_M55665-62139 > >> > >> Tom Lofft > >> Liberty Village, MD > >> > >> > >> > >> _________________________________________________________________ > >> Cohousing-L mailing list -- Unsubscribe, archives and other info at: > >> http://www.cohousing.org/cohousing-L/ > >> > >> > >> > > _________________________________________________________________ > > Cohousing-L mailing list -- Unsubscribe, archives and other info at: > > http://www.cohousing.org/cohousing-L/ > > > > > > _________________________ > Miranda Castro > Mailing: 2349 NW 32nd Place, > Gainesville, FL 32605 > Phone: 352-505-8545 > Email: mirandacastro [at] aol.com > > _________________________________________________________________ > Cohousing-L mailing list -- Unsubscribe, archives and other info at: > http://www.cohousing.org/cohousing-L/ > > >
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Insulated Concrete Forms (ICF) Thomas Lofft, January 7 2016
- Successful PV System on Common House [was Insulated Concrete Forms] Chris ScottHanson, January 11 2016
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Re: Insulated Concrete Forms (ICF) Jerry McIntire, January 7 2016
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Re: Insulated Concrete Forms (ICF) castrohom [at] aol.com, January 8 2016
- Re: Insulated Concrete Forms (ICF) Jerry McIntire, January 9 2016
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Re: Insulated Concrete Forms (ICF) castrohom [at] aol.com, January 8 2016
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