HISTORIC WINDOWS

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HISTORIC WINDOWS
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• Goals for this Talk
• Overview of Historic Windows
• History
• Key Elements
• Glass
• Wood
• Style and Design

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Windows- Identification
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Window- History

• 1750s to 1870s
• Early Double-Hungs
• Sash thickness 1
• Only bottom sash operates
• Good weights and pulleys after 1820
• After 1800 muntin thickness shrinks 1 ¼ to 5/8

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Window- History
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Window- History

• 1870-1940
• No great changes in this period
• Glass
• Wood
• Style changes- Design

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Window- Key Components

• Glass Types
• Crown or Table (1700- 1800)
• Hand Blown (1750- 1860)
• Cylinder (1860-1920)
• Plate (1860-today)
• Float (1920- present)
• Glass Quality
• Manufacturing in America

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Glass Types

• Crown or Table (1700- 1800)

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Glass Types

• Hand-blown Cylinder (1700- 1800)

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Glass Types

• Hand-blown Cylinder (1700- 1800)

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Glass Types

• Machine Cylinder Glass (1860- 1930)

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Glass Types

• Machine Cylinder Glass (1700- 1800)

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Window- Key Components

• Glass Quality

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Window- Key Components

• Glass has always determined window construction
  and design
• IG and the impact on profiles
• Historic storm windows.

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Window- Key Components

• Wood
• Wood overview
• Old Growth vs. New Growth
• Specifying the right wood

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Window- Key Components

• Wood background
• Heartwood vs. Sapwood
• Hardwood vs. Softwood

Understanding Wood, Bruce Hoadley, Taunton Press
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Window- Key Components

• Wood For Historic Millwork
• Old Growth vs. New Growth
• Speed of Growth
• How long do they last? (see chart)
• Availability and cost
• The Green choice

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• Good Wood

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Window- Key Components

• Which Old Growth wood is best?
• Eastern White Pine - Most stable, great for
  doors, not as strong structurally
• Long Leaf Pine Strongest but unstable, great for
  frames trim
• Cypress Red not yellow, somewhat unstable, great
  for windows and trim
• Fir Strong, somewhat stable, great all around
  especially VG.
• Western pine?- see chart keep a wood in its
  natural environment

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• Questions

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HISTORIC WINDOWS
Stylistic Changes
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• Windows
• Historic Millwork
• 3 Distinct Periods
• Late Victorian (1870-1890)
• Young industry- growing
• Technologically change is slow
• Ornamentation is excessive
• Transitional (1890-1920)
• Great change and standardization
• Architectural change
• Early Modern (1920-1940)
• The end of the industry

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• Windows
• Late Victorian-Profiles

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• Windows
• Late Victorian

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• Windows
• Late Victorian- Queen Anne sash

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• Windows
• Early Transitional-cottage/front

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• Windows
• Late Transitional

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• Windows
• Early Modern

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• Windows
• Modern- post 1950

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• Windows
• Modern- post 1950

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• Windows
• Modern- post 1950

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• Windows
• Modern- post 1950

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• Windows
• Modern- post 1950

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• Windows
• Modern- post 1950

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• Windows
• Modern- post 1950

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• Final Comments

• Why Historic Windows?
• Saves Money
• Saves the looks (story)
• Its Green
• No significant energy savings

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• Questions