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Chapter 18 Windows and Doors. Windows From an English expression meaning wind eye Window evolution Holes skins/fabrics translucent membranes glass multiple.

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Presentation on theme: "Chapter 18 Windows and Doors. Windows From an English expression meaning wind eye Window evolution Holes skins/fabrics translucent membranes glass multiple."— Presentation transcript:

1 Chapter 18 Windows and Doors

2 Windows From an English expression meaning wind eye Window evolution Holes skins/fabrics translucent membranes glass multiple layers of control Glazing, insulating airspace, low-E glass, insect screens, weather-stripping, curtains, blinds, sash, etc. Typically produced in a Factory efficiency, cost, quality

3 Windows Prime Window – permanently installed Storm Window – removable, auxiliary unit Combination Window – incorporates both More common today Permanent Prime Windows (fixed)

4 Types of Windows Fixed, single-hung, double-hung, sliding Casement, awning, hopper Types of Windows Skylight, roof window Terrace door, French door, sliding door

5 Double-Hung Fixed

6 Top-Hinged Side-Hinged

7 Window Frames Wood Advantages: Good thermal insulator Easily worked Disadvantages Shrinks & swells, subject to decay Requires frequent repainting (maintenance) Commonly: Wood composites used, with an Exterior cladding of plastic or aluminum

8 Window Frames Aluminum Advantages: Relatively inexpensive Requires no repainting Disadvantages: Thermal conductor – requires a thermal break Uses & Finishes: Common in commercial & institutional Usually anodized or permanently coated

9 Window Frames Plastic (relatively new, but wide use – 40%) Advantages: Low cost - 1/3 less than wood or clad wood Good thermal insulators Require no repainting Disadvantages: Not stiff Very high coefficients of thermal expansion Most common – polyvinyl chloride (PVC)

10 Window Frames Steel Advantages: Strength Acceptable thermal insulators Disadvantages: Require permanent coating

11 Muntins thin wooden bars into which the glass in mounted within each sash

12 Glazing Single Glazing Acceptable only in mild climates Double Glazing Generally the minimum required by code (or single with storm) Triple Glazing (somewhat rare) Double glazing with Low-E glass has equal performance Double Glazed

13 Safety Considerations Break-resistant material Required for glass in doors, large lights near the floor, and glass doors Generally tempered glass utilized Fire Escape Window openings large enough to escape typically required in each bedroom. Casement and Awning Windows Avoid adjacent to poaches or walkways

14 Window Testing & Standards Thermal and structural performance Performance Grades established covering Wind pressure Water resistance Structural performance Air infiltration Operating force Energy efficiency (insulating value, solar heat gain, visible light, air leakage)

15 Window Installation Rough Opening the rough opening height and width for the hole left in a framed wall to permit installation of the window Slightly larger than than the window outside dimensions Flashing (prevent water and air infiltration) Install, plumb, fasten

16 Doors Categories Interior Fire resistance & sound transmission important Exterior Weather Resistance most important

17 Types of Doors

18 Panel Doors Glass & Louvered

19 Glass & Wood EntrancePanel Door Louvered DoorGlass French Doors

20 Types of Doors

21 Core of a Hollow Core Metal Door Metal Facing

22 Hollow Metal Frame Anchorage

23 Hinges

24 Door Opening Swinging BifoldAccordian

25 Door Opening Pocket Sliding Bypass Sliding Surface Sliding

26 Door Opening OverheadCoiling

27 Locksets & Strikes Deadbolt Lockset Strike Deadbolt Lockset Strike

28 Wood Doors Stile and Rail Doors Panels float in stile & rail Accommodate expansion & contraction Popular in higher quality buildings Flush Doors Majority of the market (< $) Cores: Solid or Hollow Rail Stile

29 Door Cores Solid Core Door Wood Blocks Wood Composite Mineral (fire doors) Hollow Core Door Veneered faces w/ Interior grid Paperboard or Wood

30 Entrance Doors Subjected to the Elements Well constructed (wood, metal, or plastic) Weatherstripped (prevent air & water leakage) Sheet Metal & Molded GFRP Popular alternative to wood Often constructed to simulate wood Cores filled with plastic foam (superior thermal performance)

31 Prehung Doors doors already mounted on hinges in a frame, complete with weatherstripping (if needed), ready to install by merely nailing the frame into the wall. Both interior & exterior doors Quicker, less costly to install

32 Steel Flush Doors Painted sheet metal faces Common in nonresidential Solid or hollow core Typical Solid Core uses: Exterior doors Need for increased Fire resistance More rugged construction needed Better acoustical properties needed Flush Steel Doors

33 Fire Doors Rated for fire resistance Uses: Exit stairways, between rooms & exit corridors, within exit corridors, fire walls, etc. Labeled

34 Fire Door Criteria Fire Doors must: Must swing in the direction of egress travel Must be self-closing Must be equipped with hardware that opens the door if people press against the door in the direction of egress travel Restrictions: Amount of glass by the fire classification Size of louvers Frames must be rated


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