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  • Home
  • Windows
    • What is a Window?
      • A Brief History
      • We Expect a Lot from our Windows
      • Don’t Forget the Intangibles
    • Basic Window Terminology
      • Anatomy of a Window
      • Window Types
      • Glazing
      • Spacers
      • Sash and Frames
      • Weatherstripping
      • Hardware
    • Window Performance
      • Introduction
      • Solar Gain
      • Heat Loss
      • The Balancing Act
    • Window Technology
      • Introduction – Window Technology
      • Low-E Coatings
      • Special Films
      • Gas Fills
      • Low Conductivity Spacers
      • Framing Materials
    • Certifications, Standards and Ratings
      • Introduction – Certifications, Standards & Ratings
      • Glass Standards
      • NAFS and CSA-A440S1
      • A440.2 – Energy Performance
      • Certification Programs
      • Fenestration Installation Technician (FIT)
      • Energy Rating
      • Energy Star
      • IGMA
      • SAWDAC’s Window Wise™
    • Condensation & Windows
      • Introduction – Condensation & Windows
      • Where Does It Come From?
      • Relative Humidity
      • Controlling Condensation
      • Other Factors Affecting Condensation
      • Exterior Condensation
    • The Importance of Installation
      • Introduction – Importance of Installation
      • A Properly Installed Window Must…
      • Sizing It Up
      • Getting It Straight
      • Making It Permanent
      • Insulation
      • Sealing It Up
      • Retrofit or Tear Out
    • Benefits of Energy Efficient Windows
      • Introduction – Benefits of Energy Efficient Windows
      • Houses are Energy Systems
      • Reduced Energy Costs
      • Reduced Energy Consumption
      • Increased Comfort
      • A Healthier Home
      • Peace and Quiet
      • Increased Natural Light
      • Less Colour Fading
  • Doors
    • What Are They?
      • We Expect a Lot
      • Don’t Forget the Intangibles
    • Understanding Basic Terminology
      • Anatomy of an Exterior Door
      • Exterior Door Types
      • Wood, steel, fibreglass or vinyl?
      • The Parts of an Exterior Door
      • Glazing
      • Spacers
      • Weatherstripping
      • Hardware
    • Thermal Performance
      • Introduction – Thermal Perfomance
      • Solar Gain
      • Heat Loss
      • The Balancing Act
    • Energy Efficient Technology
      • Introduction – Energy Efficient Technologies
      • Low-E Coatings
      • Special Films
      • Gas Fills
      • Low Conductivity Spacers
      • Framing Materials
    • Certifications, Standards and Ratings
      • Introduction – Certifications, Standards & Ratings
      • Glass Standards
      • Exterior Doors
      • A440.2 – Energy Performance
      • Energy Rating
      • IGMA
      • Certification Program
    • Condensation
      • Introduction – Condensation
      • Where Does It Come From?
      • Relative Humidity
      • Controlling Condensation
      • Other Factors Affecting Condensation
      • Exterior Condensation
    • The Importance of Installation
      • Introduction – The Importance of Installation
      • Proper Installation Must…
      • Sizing It Up
      • Getting It Straight
      • Making It Permanent
      • Insulation
      • Sealing It Up
      • Retrofit or Tear Out
    • The Benefits of Energy Efficient Exterior Doors
      • Introduction – The Benefits of Energy Efficient Exterior Doors
      • Houses are Energy Systems
      • Reduced Energy Costs
      • Reduced Energy Consumption
      • Increased Comfort
      • A Healthier Home
      • Peace and Quiet
      • Increased Natural Light
      • Less Colour Fading
  • Patio Doors
    • What Are They?
      • We Expect a Lot
      • Don’t Forget the Intangibles
    • Understanding Basic Terminology
      • The Part of an Exterior Door – Patio Doors
      • Patio Doors Sash and Frames
      • Glazing
      • Spacers
      • Weatherstripping
      • Hardware
    • Thermal Performance
      • Introduction – Thermal Perfomance
      • Solar Gain
      • Heat Loss
      • The Balancing Act
    • Energy Efficient Technology
      • Low-E Coatings
      • Special Films
      • Gas Fills
      • Low Conductivity Spacers
      • Framing Materials
    • Certifications, Standards and Ratings
      • Introduction – Certifications, Standards & Ratings -doors
      • Glass Standards
      • Exterior Doors
      • A440.2 – Energy Performance
      • Energy Rating
      • IGMA
      • Certification Program
    • Condensation
      • Introduction – Condensation
      • Where Does It Come From?
      • Relative Humidity
      • Controlling Condensation
      • Other Factors Affecting Condensation
      • Exterior Condensation
    • The Benefits of Energy Efficient Exterior Doors
      • Introduction – The Benefits of Energy Efficient Exterior Doors
      • Houses are Energy Systems
      • Reduced Energy Costs
      • Reduced Energy Consumption
      • Increased Comfort
      • A Healthier Home
      • Peace and Quiet
      • Increased Natural Light
      • Less Colour Fading
  • Skylights
    • What Are They?
      • We Expect a Lot
      • Don’t Forget the Intangibles
    • Understanding Basic Terminology
      • Anatomy of a Skylight
      • Skylight Types
      • Glazing
      • Spacers
      • Sash and Frames
      • Weatherstripping
      • Hardware
    • Thermal Performance
      • Introduction – Thermal Perfomance
      • Solar Gain
      • Heat Loss
      • The Balancing Act
    • Energy Efficient Technology
      • Introduction – Energy Efficient Technologies
      • Low-E Coatings
      • Special Films
      • Gas Fills
      • Low Conductivity Spacers
      • Framing Materials
    • Certifications, Standards and Ratings
      • Introduction – Certifications, Standards & Ratings
      • Glass Standards
      • Skylights
      • A440.2 – Energy Performance
      • IGMA
      • Certification Programs
    • Condensation
      • Introduction – Condensation
      • Where Does It Come From?
      • Relative Humidity
      • Controlling Condensation
      • Other Factors Affecting Condensation
      • Exterior Condensation
    • The Importance of Installation
      • Introduction – Importance of Installation
      • A Properly Installed Window Must…
      • Sizing It Up
      • Getting It Straight
      • Making It Permanent
      • Insulation
      • Sealing It Up
      • Retrofit or Tear Out
    • The Benefits of Properly Installed, Energy Efficient Skylights
      • Introduction – Benefits of Energy Efficient Windows
      • Houses are Energy Systems
      • Reduced Energy Costs
      • Reduced Energy Consumption
      • Increased Comfort
      • A Healthier Home
      • Peace and Quiet
      • Increased Natural Light
      • Less Colour Fading

A Complete Guide to Windows and Doors

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This website contains over 500 pages of copy, drawings and graphs describing windows, doors and skylights and all the factors relating to choosing a well‐installed, top quality, energy‐efficient product. All this information has been prepared for and vetted by the leading associations in the fenestration industry.

We suggest you start by viewing the eight‐minute video, which presents an overview of all the topics covered in the text of the website. Then, you may choose to read any or all of the topics under each product type.

Use the search bar to find information on any specific interest you may have.

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