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#1 |
The Gardener
Join Date: Oct 2008
Location: Manitoba - Canada
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![]() Hey guys. My wife and I looked at another new house outside the city. It seemed as though it was better built then my current one but I had some questions. First off, some of the good points I noticed is that it has ICF basement, steel cross beam in the basement, energy efficient heat and AC, R20 in the 2x6 walls and R50 in the ceiling (which isn't the best but better then my current), silent joists construction, joist cavities that have rigid foam and spray foamed around the rigid to hold it in place. It also has a humidifier built in, but that's something I'd probably rarely turn on. We'll have to see. One thing I'd have to add in is an HRV system. I'd also have to landscape the yard and put up a fence as it's a brand new house.
Some things that perplexed me is that it looks as though they screwed in the drywall right to the ICF forms. Is that normal? Also, isn't ICF only rated R12? So wouldn't I want to frame around it and add more? The over hang at the back of the house is also very short and almost nonexistant where part of the house has a jut out, to the point where there's just enough for a eavesdrough. Is that a truly bad thing? The house is pointing west to east so I'm not sure that's a huge deal. Another weird thing is the air intake. As the tube comes into the main branch of the air intake, there's a small 6 inch tube with holes in it. As if it's pulling air from the basement into the air intake. I don't really get it, and the realtor was a bit perplexed. I'm getting him to ask the builders about that. They did, however, tape up all the seams in the duct work. Also, the heat was electrical and not gas. How bad is that? Let me know what you think about these issues and what may be some negatives about them. Thanks. |
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#2 | |
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![]() Maybe it's about basement ventilation, to make sure nothing starts to grow in the corners?
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Ecorenovation - the bottomless piggy bank that tries to tame the energy hog. |
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#3 |
The Gardener
Join Date: Oct 2008
Location: Manitoba - Canada
Posts: 492
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![]() Haha...yeah I could try and pull that off. There's not that many lots put up around so it wouldn't be a huge deal to get someone in to dig a hole for me.
I just realized I may not understand air intake. Does house air get recirculated in with fresh air from outside? So the air intake pulls air out of rooms, and recirculates it and also pulls in fresh air from outside and mixes that in? |
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#4 |
Master EcoRenovator
Join Date: Mar 2009
Location: Western Wisconsin.
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![]() ICF's tend to have nailing tabs for dry wall and siding and if you are going to add insulation you should add it to the outside that way the mass of the concrete is better insulated.
If you want to know how bad the electric heat is then get a copy of the utility bill, if the house is old enough to have a history that is, you said it was new... is it brand new or just new to you? ICF's vary in insulation value, some are better then others, their advantage is that they are monolithic so you have no drafts in your walls, other then around doors and windows. Even if it's a brand new house, having an energy audit done is a good idea, builders take short cuts whenever possible but problems will not show up right away because not enough time has passed. |
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#5 |
The Gardener
Join Date: Oct 2008
Location: Manitoba - Canada
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![]() It's a brand new house that's just being finished up this month.
So would it be stupid to put up framing in front of the ICF and then add insulation on the inside? Also, how the heck do they put in the electrical when they're screwing right to the ICF? |
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#6 |
Master EcoRenovator
Join Date: Dec 2008
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![]() a lot of the forms have channels built into them for the wiring to run through.
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#7 |
The Gardener
Join Date: Oct 2008
Location: Manitoba - Canada
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![]() Ah ok. That's cool. So could I still add insulation over top of that ICF from the inside of the house or is that not smart? I just felt like the basement's in the ICF homes were colder then the basments in the regular cement foundation with R24 batt insulated walls.
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#8 | |
Master EcoRenovator
Join Date: Mar 2009
Location: Western Wisconsin.
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#9 |
The Gardener
Join Date: Oct 2008
Location: Manitoba - Canada
Posts: 492
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![]() In case anyone wants to look at the spec sheet for the home to critique on it for me, here it is.
A question I had...is this right: 8" x 96" ICF basement (20MPA-R26) Is the basement with ICF R26? That must be thick foam forms then correct? Project: 25 Brett Bay Included in quote Builders Risk and Liability Insurance 10 year Progresive New Home Warranty Foundation Excavation & Backfill 5" Concrete garage floor ( 25MPA ) 10 mm rebar 16" O/C BW All rebar as per code 16" x 16" thickened edge garage floor Front entry: reinforced concrete steps 30" x 10" concrete footings 8" x 96" ICF basement (20MPA-R26) Poly vapor barrier under basement floor (radon protected) 4" concrete basement floor c/w 3/4 buckshot gravel 4" drain tile and damp proofing Sump pit c/w submersible pump 3/4" drain tile stone (foundation perimeter) Super seal damp proofing Framing / Floors - as per plan 2 x 10 beams #1&2 KD spruce Adjustable steel teleposts Half steel beam TGI floor joist 3/4" structure wood gold floor sheathing glued and screwed Exterior and Interior Wall Framing 9' high walls 2 x 6 #1&2 KD spruce @ 16" O/C 2 x 10 #1&2 KD spruce lintels 7/16" OSB wall sheathing 2 x 4 #1&2 KD spruce @ 16" O/C (interior) 2 x 6 #1&2 KD spruce @ 16" O/C (plumbing) 2 x 4 #1&2 KD spruce @ 16" O/C (stairwell) 2 x 4 #1&2 KD spruce @ 16" O/C (garage) Trusses - Engineer design trusses 24" O/C 8/12 pitch or as per plan Gable style roof Cottage style roof Trayed ceiling in MB & Living area Roof Materials 7/16" OSB roof sheathing with H clips 25 yr. shingles ColorAntique Wood all applicable flashings Windows and Exterior Doors PVC triple pane Low E windows Dual low E sliders in basement Casements Double garden door Obscure front entry door c/w grilles PVC frames and removable screens Doors - Steel insulated with Metal clad jambs Garage to house c/w spring loaded hinges 16' x 8' Insulated OH Door R10 c/w opener & 2 remotes Windows at top of overhead door Soffit & Fascia Soffits, fascia & eavesthroughs Color White Soffits: Pre-finished aluminum Fascia: Pre-finished aluminum 5" continuous eavestrough & downspouts w/ flip ups Color? Exterior Finish Exterior as per prelim Stone: Black River Stucco: 820-3P Sierra Springs Canex: Khaki Electrical 2 rough-in for telephone outlets ground fault plugs in all baths 220V plugs on separate circuits kitchen plugs on separate circuits all wiring to be copper 200 amp service Plug for O.H. garage door opener Decora plugs and switches Lights allowance (includes all bulbs, pot trims, light fixtures) $2,400.00 Potlights $100.00 inside x Potlights $90.00 outside x Cable outlets in living room & master bedroom cable run from hydro meter to electrical panel Electric furnace Electric fireplace Wiring for A/C Hot water tank -60 gallon electric OTR microwave allowance $400.00 Dishwasher rough-in Island plug Jamb switch at pantry door Insulation/Vapor Barrier Exterior walls R20 House attic Ins R50 Typar Basement Basement: unfinished ICF drywalled Painting Primer - 1 coat Walls - 1 color Feature wall 1 color Main: P642-2 Feature: P5229-72 Ceilings - 1 color Ceilings/Doors/Trim: Parchment P2603-4 Interior doors & trim - 1 color Finish - Latex Paint - 2 coats Extra colors $250.00 per color Handrail painted Maple pantry door stained to match cabinets Choc Fondue Kitchen window casing stained Choc Fondue Drywall Square corners ICF drywalled Interior Finish - Standard Passage doors h/c colonist -painted Swing doors on all closets Caseing 3 1/4 -painted Baseboard 4 1/4 - painted Latches - Standard Wiser (Fairfax) Brushed Chrome (26D) Hardware - Matching Mirrors 2" less than vanity tops Handrail style 3510 Kitchen window casing - 3 1/2" stained Pantry door - maple c/w glass Stained Choc Fondue Bathroom accessories Taymor Columbia (exposed fasteners Penners) in pewter Shelving - Pre-finished wire Entry / Bedrooms - 1 wire shelf w/rod Linen - 4 wire shelves Pantry - 4 wire shelves Driveway Concrete driveway Sewer & Water Back up sewer valve Town sewer and water Flooring Hardwood Ginger Beaulieu main area, tile in front entrence, baths Ent Inlay: Antares Baths: Slate Black Tub: MEBR12 Carpet in bedrooms Lava 109 Flooring on stairs to be carpet Cabinets Maple Chocolate Fondue with jamocha granite counters Handles: P3111 HIckory Fireplace 33" Electric Fireplace w/ custom mantle & niche Plumbing / Heating / Cen.Vac Includes: fresh-air, all ducting, register covers Basement vents with dampers Electric furnace Double bowl stainless steel kitchen sink Single lever pull out faucet Kitchen sink DBL SS Moen 3H SGL/Handle kit Faucet w/spray White ceramic vanity basin c/w chrome single lever faucet Olivia china sink white Moen chrome vanity faucet w/pop up drain Mechanical pop-up drains 5' corner jacuzzi tub in ensuite Neo angle shower in ensuite 1pc. Fiat Acrylic white tub x 1 Chrome single lever tub/shower faucets Total toilet 6L white Basement - rough-in for 3 pc. bath Dishwasher rough-in 2 lawn hydrants A/C Hot water heater - 60 gal electric Ducting for OTR microwave to outside - No direct venting Central vac ROUGH-IN ONLY Central exhaust OTR microwave landscaping Final lot grading included Topsoil & Sod not included Clean-Up Building site clean-up Final clean-up prior to possession |
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