Window types by shape (C) Carson Dunlop Associates Picture Dictionary of Building Roof Dormers
     


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How to recognize residential building roof dormer shapes & types as a guide to building architectural styles.

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Roof Dormer Types - Photo Guide

Readers should see the additional photo and drawing guides to building architectural styles in the links listed at page top or at the "More Reading" links at the bottom of this article see ARCHITECTURE & BUILDING COMPONENT ID for illustrations of building architectural types, roof shapes, dormers, windows, and other architectural features. Also see AGE of a BUILDING - how to determine as well as individual building component links listed at the "More Reading" links at the bottom of this article . Our page top photo shows an unusual placement for a rooftop dormer, along the roof hip in a Port Jervis NY home.

Carson Dunlop Associates' sketch (below-left) identifies common window dormers by shape, clockwise from top right corner of the illustration we show in the table below: hipped dormer, shed dormer, flat dormer, segmental dormer, eyebrow dormer, NY, inset dormer, arched dormer, and gable dormer shapes and windows.

Common Window Dormers by Shape

Dormer Photos

Keyed to Sketches at left, taken clockwise from top right corner.

Dormer Name

Roof Dormer Details

Window types by shape (C) Carson Dunlop Associates
Curved dormer Boston MA (C) Daniel Friedman Arched Dormers Arched roof dormers, left, Boston MA
Compound dormer (C) Daniel Friedman Compound Dormers Compound dormer joins two gable dormers with a flat roofed dormer between them, Hudson Valley, NY
Eyebrow dormer (C) Daniel Friedman Eyebrow Dormers

Eyebrow window-dormers, left, Mt. Kisco, NY.

Also see Quick Guide to Eyebrow Dormer Windows

Flat roofed dormer (C) Daniel Friedman Flat-roofed Dormers Flat roofed dormer, left, Hudson Valley, NY
Gable dormer (C) Daniel Friedman Gable Dormers Gable dormer, left Poughkeepsie, NY, and Port Jervis, NY
Hip dormer (C) Daniel Friedman Hipped Dormers Hip dormer, left, Port Jervis, NY,
Inset Dormer (C) Daniel Friedman Inset Dormers Inset Dormer photos: left, Portland ME, and Molde, Norway
Curved dormer Boston MA (C) Daniel Friedman Segmental Dormers Segmented roof dormers, left, Vermont, and segmented dormers in Boston MA (compare with Arched dormers)
Shed dormer (C) Daniel Friedman Shed Dormers Shed dormer, left, Molde, Norway,
Roof skylights, Molde, Norway (C) Daniel Friedman Skylights Skylights are not dormers. Left, triple skylights in a glazed-clay tile roof in Molde, Norway. Bubble-type roof skylights were notorious leakers. See SKYLIGHT LEAK DIAGNOSIS & REPAIR for details.


For information about window types, selection, installation, inspection, and repair, see:

WINDOWS & DOORS, Age, Types
  ALUMINUM WINDOWS
  Best Practices Guide for Windows & Doors:
  CLIMATE, WINDOW CHOICES FOR
  CONDENSATION on WINDOWS & SKYLIGHTS
  Doors, Exterior, Energy Efficiency Guide
  DOOR FLASHING DETAILS
  DOORS, ENERGY EFFICIENCY
  DOORS, EXTERIOR, Selecting & Installing
  DOORS, INTERIOR
  FIBERGLASS WINDOWS
  GLASS vs HEAT MIRROR SOLAR GAIN/Loss
  HURRICANE, WIND, & STORM-Resistant WINDOWS
  LOW-E WINDOW GLAZING
  LOW-E VS QUAD-GLAZING
  LOW-E RETROFIT ADD-ON FILMS
  POLYCARBONATE GLAZING
  SITE BUILT DOUBLE GLAZED WINDOWS
  SKYLIGHTS, Guide to Choosing & Installing
  Skylight Condensation Problems
  Skylight Design Issues
  Skylight Energy Efficiency
  Skylight Installation Procedures
  SKYLIGHT LEAK DIAGNOSIS & REPAIR
  SKYLIGHT VENTILATION DETAILS
  SLIDING GLIDING WINDOW DEFECTS
  SLOPED GLAZING DETAILS
  SOLAR SHADES & SUNSCREENS
  STORM WINDOW INTERIOR
  STORM WINDOW PLASTIC CHOICES
  STORM WINDOW WEEP HOLES
  SUNGAIN, FILMS, LOW-E GLASS
  SUNSPACE GLAZING for SUNTANNING
  VERTICAL GLAZING DETAILS
  VINYL WINDOWS
  VINYL / PVC WINDOW WARPING
  WINDOW / DOOR ENERGY EFFICIENT, DOE
  WINDOW LEAKS INTO BASEMENT

SKYLIGHT LEAK DIAGNOSIS & REPAIR how to find the cause of leaks in rooftop skylights and other sloped glazing

A Quick Guide to Eyebrow Dormer Windows

Eyebrow window types (C) Daniel Friedman Eyebrow window types (C) Daniel Friedman

Seneca Howland house windows (C) Daniel Friedman
Real estate agents, home inspectors, as well as building owners have often referred to the small second floor windows on antique colonial homes (photo at left) as "eyebrow" windows that we include these details to help sort out the confusion.

Our sketch and photo (above) show what an eyebrow window looks like.

Our photo (left) of windows on the Seneca Howland house in Pleasant Valley NY (undergoing renovations by the author) are not eyebrow windows.

At Field Guides to North American House Architecture we list (and you can buy at Amazon) books we have found particularly helpful in identifying architectural styles, including: as this more extensive list of architectural styles: Folk Houses, Native American Houses (U.S.), Pre-Railroad houses, National Architectural Styles (U.S.), Colonial Houses (1600-1820), Postmedieval English, Dutch Colonial, French Colonial, Spanish Colonial, Georgian, Adam, Early Classical Revival, Romantic Houses (1820-1880), Greek Revival style architecture, Gothic Revival style architecture, Italianate style architecture, Exotic Revivals style architecture, Octagon houses, Victorian style architecture Houses (1860-1900), Second Empire style architecture, Stick style architecture, Queen Anne style architecture, Shingle style architecture, Richardsonian Romanesque style architecture, Folk Victorian style architecture, Eclectic Houses (1880-1940), Anglo-American style architecture, English style architecture, and French Period Houses, Colonial Revival style architecture, Neoclassical style architecture, Tudor style architecture, Chateauesque style architecture, Beaux Arts style architecture, French Eclectic style architecture, Mediterranean Period Houses style architecture, Italian Renaissance style architecture, Mission style architecture, Spanish Eclectic style architecture, Monterey style architecture, Pueblo Revival style architecture, Modern Houses including Prairie style architecture, Craftsman style architecture, Modernistic style architecture, International style architecture, and American Houses Since 1940: Modern style architecture & Neoeclectic style architecture as well as unusual houses such as Mongolian Cloud (photo, Kuehn) houses and Underground Houses (photo, Roy).




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