Alternative Construction Research Guide - GCCDS

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stackedunitsconstructionprocessspeeddeliverymethodrequiredequipmentspecializedlaborwindresistancewaterresistancefireresistancethermalperformancelife spanenvironmentalimpactproductversatilitymarketexposurecodeapprovalaffordabilitycoastalconsiderationsinsulated concrete formsconcrete masonry unitsautoclaved concreteInsulated Concrete Forms (ICF)ICFs are used to build walls and foundationsof monolithic concrete, at various thicknesses,sandwiched between layers of EPS or XPS foaminsulation. The insulation is used as formworkfor the concrete and remains part of the finalconstruction. Plastic webs hold the insulation inplace until the concrete bonds the wall together.The webs also replace standard stirrups forreinforcing bars. The ICFs interlock together andare grooved on the interior side for adhering tothe poured concrete. ICF walls typically have highR-values, due to the double layer of insulation.The insulation is continuous on the exterior andinterior of the wall, creating an extremely tightbuilding envelope with nearly no thermal breaks.Concrete Masonry Units (CMU)CMUs are cast concrete blocks that aremanufactured in uniform sizes. Their strengthdepends on the density of the block, which can beincreased by using finer aggregate in the concretemix. CMU block wall construction is typically usedin commercial and industrial applications (i.e.car washes, garages, cafeterias, pools). Verticalreinforcement, in the form of a metal bar, is placedwithin the blocks. A bond-beam is often cast inplace at the top of a CMU wall to add structuralrigidity to the wall. In residential applicationsCMUs are typically used in combination with abrick exterior, which is often considered to be amore desirables exterior finish.Autoclaved Aerated Concrete (AAC)AAC blocks are cast blocks that are made ofcement, lime, water, sand or flyash, and aluminumpowder. Because blocks are made of natural andraw materials, the final product is non-toxic and isreported to generate no pollutants or hazardouswaste during the manufacturing process. AAC isnaturally non-combustible and resistant to mold,rot, termites, and moisture. The material has ahigh R-value, which depending on the width ofthe block may eliminate the need for additionalwall insulation. Due to the manufacturing process,the blocks are incredibly lightweight, makingthem easy to assemble, cut, and transport.FURTHER INFORMATION• Toolbase (www.toolbase.org)• Portland Cement Association(www.cement.org)• Insulated Concrete Form Association(www.forms.com)• Autoclaved Aerated Concrete ProductsAssociation (www.aacpa.org)OTHER TYPES OFSTACKED UNIT SYSTEMSStacked Unit Systems structural component systems
3STACKED UNIT SYSTEMSsubjects3.1 Insulated Concrete Forms (ICF)3.2 Concrete Masonry Units (CMU)3.3 Autoclaved Aerated Concrete (AAC)
Page 3: The Gulf Coast Community Design Stu
Page 10: factoryassembledhomesconstructionpr
Page 13 and 14: Required Equipment: A crane and lif
Page 15 and 16: Component Homes | 1.2Component Home
Page 17 and 18: DESIGNComponent Homes | 1.2Environm
Page 19 and 20: PERFORMANCEWind Load: Kits can be d
Page 21: stall whatever the factory assemble
Page 24 and 25: panelsconstructionprocessspeeddeliv
Page 26 and 27: 2.1 | Wood SIPsWood SIPsOverview: S
Page 28 and 29: 2.1 | Wood SIPsLife Span: The OSB a
Page 30 and 31: 2.1 | Wood SIPsMM & I Construction
Page 32 and 33: 2.2 | Non-Wood SIPsand full constru
Page 34 and 35: 2.2 | Non-Wood SIPssome information
Page 36: 2.3 | Framed PanelsThe strength of
Page 39: Stacked Unit SystemsStacked unit sy
Page 43 and 44: should be done carefully, as the co
Page 45 and 46: Concrete Masonry Units (CMU) | 3.2C
Page 47 and 48: Concrete Masonry Units (CMU) | 3.2D
Page 49 and 50: AAC is naturally resistant to termi
Page 51 and 52: Framing SystemsFraming systems are
Page 53 and 54: 4FRAMING SYSTEMSsubjects4.1 Convent
Page 55 and 56: which allows for expedient construc
Page 57 and 58: Advanced Wood Framing | 4.2Advanced
Page 59 and 60: esidential building codes but may n
Page 61 and 62: ut can be designed to carry increas
Page 63 and 64: Water Resistance: Steel studs are t
Page 65 and 66: Engineered Floor Trusses | 4.5Engin
Page 67 and 68: Versatility / Flexibility: Engineer
Page 69 and 70: equired, construction crews should
Page 72 and 73: Chapter 5, Elevated Foundations, is
Page 74 and 75: floorsconstructionprocessspeeddeliv
Page 76 and 77: 6.1 | 2x6 Tongue and Groove Decking
Page 78 and 79: 6.2 | Suspended Cast-in-Place Decks
Page 80 and 81: 6.2 | Suspended Cast-in-Place Decks
Page 82 and 83: 6.3 | Floor FinishesSpeed of Constr
Page 84 and 85: 6.3 | Floor FinishesGULF COAST AVAI
Page 86 and 87: insulationrequiredequipmentthermalp
Page 88 and 89: 7.1 | Exterior FinishesExterior Fin
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7.1 | Exterior FinishesEnergy / The
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7 .2 | SheathingSheathingOverview:
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7 .2 | SheathingMarket Exposure: OS
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7.3 | InsulationAfter the foam drie
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7.3 | InsulationInstallation: Miner
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7.4 | Interior Finishesthe job and
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7.4 | Interior FinishesWOOD & WOOD
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7.4 | Interior FinishesMASONRYStone
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oofsconstructionprocessspeeddeliver
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8.1 | Radiant BarriersRoofRadiant b
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8.1 | Radiant Barrierssometimes rea
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8.2 | ShinglesEnergy/Thermal: Aspha
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8.3 | Metal RoofsBecause the screws
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8.4 | Tile RoofsPERFORMANCETile Roo
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8.5 | Rubber RoofsINSTALLATIONRubbe
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8.5 | Rubber RoofsDESIGNEnvironment
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App. I | Insuring HomesI. Insuring
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App. II | Energy Efficiency in Home
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App. II | Energy Efficiency in Home
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App. III | Site WorkIII. Site WorkT
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App. IV | Further ResearchIV. Furth
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App. V | GlossaryCompression: Physi
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App. V | GlossaryShear Wall: Walls
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App. VI | EndnotesChapter 3: Cast a
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App. VI | Endnotes2. “HardiePlank
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App. VII | Images UsedFig.8Fig.9Fig
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App. VII | Images UsedFig.16Fig.17I
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App. VII | Images UsedFig.2Fig.3Fig
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Alternative Construction Research Guide - GCCDS

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