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Framing Assignment 4 Print SetSingle Family Dwelling SFD.

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Presentation on theme: "Framing Assignment 4 Print SetSingle Family Dwelling SFD."— Presentation transcript:

1 Framing Assignment 4 Print SetSingle Family Dwelling SFD









10 Windows & Doors

11 Openings: Windows and doors Major impact on the houses appearance Many Style options

12 Windows and Doors: Major part of …. The comfort / safety of the house Energy performance of the house Many of them (Multiples) with variables = Scheduled

13 Windows & Doors Doors - Labeled on plans with number inside circle Windows – Labeled on plans with letter inside octagon or triangle …Labels refers back to a schedule


15 Typical Section details Head (top) Jamb (side) Sill (base) R.O. (ROUGH OPNG.) F.O. (FINISH OPNG.) Window Sections





20 Size 6040 = 6 W x 4 L (or hgt.) Type - Operation Glazing – glass type Material – frame type Window Schedule





25 U-FACTOR Solar Heat Gain Coefficient Visible Transmittance Air Leakage 4 Ways to Evaluate WINDOWS

26 U-FACTOR The rate of heat loss is indicated in terms of the U-Factor of a window assembly. The insulating value is indicated by the R-Value which is the inverse of the U-Value. The lower the U-Value the greater a windows resistance to heat flow and the better the insulating value. U-FACTOR

27 The SHGC is the fraction of incident solar radiation admitted through a window. SHGC is expressed as a number between 0 and 1. The lower a windows solar heat gain coefficient, the less solar heat it transmits. Solar Heat Gain COEFFICIENT

28 The visible transmittance is an optical property that indicates the amount of visible light transmitted. Theoretical values vary between 0 and 1, but most values are between 0.3 and 0.8 Visible Transmittance

29 Heat loss and gain occur by infiltration through cracks in the window assembly. Air leakage is expressed in cubic feet of air passing through a square foot of window area..3 is recommended for Oregon Air Leakage

30 Glass is coated with silver or tin oxide which allows visible light to pass through but reflects infrared heat radiation back into the room. Reduces heat loss in cool climates Allows visible light to pass through but reflects infrared heat radiation away from the room, admits up to 40% less radiant heat from the sun. Reduces heat gain in warm climates Low-E Windows

31 High number for cold climate. Low number for warm climates The lower the number the better the insulating value The best windows have air leakage rating between 0.1 and 0.6 cfm/ft. Varies from 0 to 1.0 The higher the # the more light is transmitted.

32 Single-Glazed with Clear Glass

33 Single-Glazed with Bronze or Gray Tinted Glass

34 Double- Glazed with High Solar Gain Low-E Glass, Argon/Krypto n Gas

35 Triple-Glazed** with Moderate Solar Gain Low-E Glass, Argon/Krypton Gas


37 Windows used for Egress when there is Fire Codes regulate size & location

38 window head and at sloped sill Window in section view …All efforts to direct water away from exterior bldg. wall


40 Door Head Jamb Sill



43 Example of Finish item found in Schedule – Trim ….Base (of wall) Trim details Crown (at ceiling) Base (at floor) Casing (around openings) Wainscot (mid wall)


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