Bruce King www.ecobuildnetwork.org / www.greenbuildingpress.com INSULATING CONCRETE FORMS (ICF’s) STRAW or POLYSTYRENE BLOCKS AND PANELS for INSULATION...

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Presentation transcript:

Bruce King / INSULATING CONCRETE FORMS (ICF’s) STRAW or POLYSTYRENE BLOCKS AND PANELS for INSULATION... CONCRETE for STRENGTH

Bruce King / –Fills and bases –Roadways and parking areas –Aggregate –New sheetrock –Wood panels –Fills and bases –Roadways and parking areas –Aggregate –New sheetrock –Wood panels RECYCLING -- OLD CONCRETE, SHEETROCK, WOOD

Bruce King / The glue that holds concrete together - Portland Cement - requires huge amounts of energy to make, and accounts for 8% of the carbon emissions of humanity into the Earth’s atmosphere. Are there industrial by-products we could use as replacement glues? Yes. The glue that holds concrete together - Portland Cement - requires huge amounts of energy to make, and accounts for 8% of the carbon emissions of humanity into the Earth’s atmosphere. Are there industrial by-products we could use as replacement glues? Yes. CONCRETE -- WHAT’S THE PROBLEM ??

Bruce King / POZZOLANS in CONCRETE - Volcanic / pozzolanic soils (Roman concrete) - Calcined clay “ Duhrki” Metakaolin - Silica Fume - Slag (short for “ground, granulated blast furnace slag” GGBFS) - Slag (short for “ground, granulated blast furnace slag” GGBFS) - Rice Hull & Bagasse Ash (not yet commercially available) - Rice Hull & Bagasse Ash (not yet commercially available) - Fly Ash Type C (high lime content, partially cementitious) Type F (low lime content) - Fly Ash Type C (high lime content, partially cementitious) Type F (low lime content)

Bruce King / HIGH VOLUME FLY ASH CONCRETE (HVFAC)

Bruce King / VARIATIONS on CONCRETE - pervious concrete for paving controls storm runoff - concrete countertops are cool - translucent concrete -- just invented - autoclaved aerated concrete (AAC) 80 year old technology more common in Europe - autoclaved aerated concrete (AAC) 80 year old technology more common in Europe - foamed concrete - flexible concrete (not yet widely used) - flexible concrete (not yet widely used)

Bruce King / MODIFIED SHIPPING CONTAINERS used, refrigerated (insulated) containers for sale everywhere - Strong, insulated, cheap - Strong, insulated, cheap - Easy to install doors, windows, additional insulation and finishes - Easy to install doors, windows, additional insulation and finishes - Lots of them

Bruce King / MANUFACTURED HOUSING is increasingly common