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windows

  1. C

    Window Design Pressure

    I am in a 165 mph wind zone in Colorado and am building an addition to my house. My structural engineer has this table in the plans: I am looking at a 20 sq ft. sliding window that has a CW-30PG rating in a Zone 4. Am I correct that the rating I need is 0.6*-50.9 = 30.54? And does that mean...
  2. Y

    Aluminum Storefront installation in new construction

    Hello all, I would greatly value any feedback, as this is my first time posting on this forum. I do mostly residential window and door work (repair and replacement), as well as commercial glass and glass units replacements. Once in a while I have requests to bid come my way to bid on new...
  3. S

    Is there a counterpart of "9.6 Glass" for part 3 buildings?

    In Ontario building code, there is section "9.6 Glass" for a bunch of applications for houses and small buildings. Is there a counterpart of "9.6 Glass" for part 3 buildings? If not, what is the standard for similar applications as the following "9.6.1.1. Application"...
  4. B

    Windows for New Construction NFRC requirements

    Hello Im trying to import some windows from another country but they do not have certification such as NFRC, AAMA, NAFS or NAMI. Is this certification a must to install those windows? The manufacturer told me that the windows will comply with U-Factor (0.40 min in my area) and SGHC (0.25 min...
  5. jar546

    Verifying Window Compliance for Wind Loads

    This question is for most of the country that is now in the 115mph wind zone per the IRC. Please exclude Florida from this conversation as this I have a handle on. The question is this. In the past the U-factor was one of the biggest concerns when looking at windows for inland areas. With...
  6. J

    2 story office building and operable windows question...

    Need a little help! I am located in Alabama and we are working on a small 2 story office building. Here is the breakdown of the building: 1st Floor: 3,115 SF (load 31) 2nd Floor: 1,625 SF (load 16) Occupancy: B There is one central egress stair in the building (only 1 egress required per...
  7. WindowlessBuildingOwner

    Dilemma: A looong townhouse, buildings on both sides so no windows, how can we build bedrooms?

    We're trying to work out a design, and our structural engineer (who is licensed to submit stamped plans) is trying to figure this out as well, but we can't seem to figure out the right solution. Could anyone help me figuring out this dilemma? Location: New Castle County, Delaware Age: 1880s...
  8. A

    Allowable Area of Openings On Diagonal Wall

    We have a wall that is running diagonal to the property line, and so various points of the wall have different allowable areas. How do you go about calculating the total allowable area of openings for the wall? Would we simply add together the allowable area for each segment? It is worth noting...
  9. C

    Kindergarden Accessibility Inquiry

    Hello, My wife is set to move into a classroom next year in an existing school building to teach Kindergarten. Though every Kindergarten classroom has windows and an direct access/egress door, this particular room has neither. There is a door (other than the hall entry one) that leads into...
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