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Forums > Green Building Technologies > Insulating Concrete Forms (ICFs) > Subject: For those who have gone commercial specifically schools...

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renangleUser is Offline
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Posts:79




06/30/2008 8:21 PM  
I was wondering how you all did your window and door bucks?  Pressure treated wood, V-buck, Steel, etc?  Did anyone run into any code issues that required a specific method?  Please advise and thank you.

Ren Angle
Chris JohnsonUser is Offline
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Posts:306




06/30/2008 8:44 PM  
Window bucks have never been a big issue...I have more trouble getting an inspector to understand how we get away without tying rebar together

Chris Johnson - Pro ICF
Napa, CA
Come for the wine, Stay for the ICF work
CFL-ICFUser is Offline
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Posts:54




07/01/2008 8:47 AM  

We use a removable form in all window and dooor openings. Then the openings can be bucked as a normal CMU.

With the expection of using a 1x6 instead of a 1x4 on a 4 inch core. We advise them not to put in the bucking material till the day of the window and door install and to caulk behind the buck then tap con in and install window and doors  and cualk the window/door again as a normal CMU would.

GRickardUser is Offline
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Posts:27




07/01/2008 3:17 PM  
Most commercial cmu jobs I have been on use steel framed windows and doors. I assume these are available with 11" jambs, wouldn't these have to go in before the pour? I have always seen the blocklayers put them in and grout them as they go.

Greg
renangleUser is Offline
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07/01/2008 3:21 PM  
Thanks for the replys and input, I appreciate it. Greg, I was thinking the same thing, but was just curious. We are quoting a school and some other commercial projects and was curious about code requirements. The steel framed windows could be done, but pressure treated works well also, just trying to streamline the costs on the project, so was thinking of staying away from the steel.

Thanks again,

Ren
CFL-ICFUser is Offline
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Posts:54




07/01/2008 3:35 PM  
Yes if there metal framed. Then yes pour them in place of a removeable form.
ReadyToRetireUser is Offline
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Posts:185




07/01/2008 4:24 PM  
Ren,

Sorry to bend the topic with a stupid question, but:

Why are commercial and residential windows and doors done differently?

Very respectfully,
Larry
SoCalScottUser is Offline
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Posts:33




07/01/2008 10:14 PM  
The quick answer is that commercial and specifically municipal buildings have different standards for building componants ie.e door assemblies w/ fire ratings necessitating steel frames to accomodate steel doors (in some cases). There is a relatively new steel frame (buck) system available that is designed specifically for ICF walls called "Stala" It comes in varying widths depending on which ICF system you are using. I do not know the costs associated with this system. Other than that, If local building codes allow, pressure treated, v-buck and other methods listed above are sufficient.

Also, a lot of commercial offices incorporate different glazing/spandrel for windows that cover structural concrete on either side of the window giving the appearance of larger windows from the exterior of the building.
ReadyToRetireUser is Offline
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Posts:185




07/03/2008 2:32 PM  
SoCalScott,

Thank you. 
I'd guessed that residences would require tougher fire standards than commercial.

Very respectfylly,
Larry
Stala_IFAsUser is Offline
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Posts:7





08/27/2008 10:03 AM  
With regard to commercial ICF window framing, further attention to wall alignment of moderate to large openings also needs to be addressed. To obtain a true ICF wall, alignment of the eps panels and concrete core is key . Please view: Commercial Grade ICF Window Openings

The proximity of window openings is another concern. With multiple windows close together, ICFs have to be cut very short. Stala's wall alignment assists to minimize "snaking."

As for door openings, the sheer weight of hollow metal door slabs can turn into a maintenance issue within conventional bucking. Incorporating framing strength into the ICF concrete core is a much better option. There are pictures attached to this thread, including commercial door assemblies that are prepped to swing heavy hollow metal doors. Sidelighting, transoms, etc. are customizable / optional

-David 













David Morris
General Manager - Stala Integrated Assemblies, LLC.

5101 Commerce Crossings Dr. Suite A.
Louisville, KY 40229

Toll-Free: (888) 779-2118
Direct: (502) 779-2127
Cell: (502) 424-2509
Fax: (502) 810-2227
Email: dmorris@stalaframing.com
Visit us on the web: www.StalaFraming.com
One or more patents pending
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Forums > Green Building Technologies > Insulating Concrete Forms (ICFs) > For those who have gone commercial specifically schools...



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