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Choosing the Right Awning Size for Your Outdoor Space

Writer: awningwarehouseng
awningwarehouseng
Jun 12
3 min read

Outdoor awnings offer shade, protection, and style to patios, decks, and windows. But choosing the right size can be tricky. An awning that is too small won’t provide enough coverage, while one that is too large may overwhelm your space or cause installation issues. This guide helps you find the perfect awning size for your outdoor area, so you get the best balance of function and aesthetics.



Measure Your Space Accurately


Start by measuring the area where you want to install the awning. Use a tape measure to get the width and projection (how far it will extend from the wall).


  • Width: Measure the horizontal length of the space you want to cover. For example, if you want to shade a patio door and adjacent window, measure the total width of both.

  • Projection: This is the distance the awning will extend outward. Consider how much shade you want and how far the awning can safely extend without interfering with walkways or landscaping.


Write down these dimensions and add a few extra inches to ensure full coverage. For instance, if your patio is 10 feet wide, a 12-foot-wide awning might provide better protection.


Consider the Purpose of Your Awning


The size you choose depends on how you plan to use the awning. Here are some common scenarios:


  • Shade for seating areas: If you want to cover a dining table or lounge chairs, measure the furniture footprint and add space around it for comfort.

  • Window protection: For windows, the awning should be slightly wider than the window frame to block sunlight effectively.

  • Entryway cover: An awning over a door should extend enough to keep rain off people entering or exiting.


Knowing the purpose helps you decide if you need a larger or smaller awning.


Match Awning Size to Wall Space and Structure


Check the wall or structure where you will mount the awning. The width of the awning should fit within the available wall space without blocking architectural features like vents or lights.


Also, consider the mounting height. A higher installation allows for a larger projection without obstructing movement underneath. For example, mounting an awning 8 feet above the ground lets you extend it 6 to 8 feet out comfortably.


Think About Sun Angle and Shade Coverage


The sun’s position changes throughout the day and seasons. To maximize shade, consider the direction your outdoor space faces:


  • South-facing areas get the most sun, so a wider awning with a larger projection may be necessary.

  • East or west-facing spaces benefit from awnings that extend further to block low morning or afternoon sun.

  • North-facing areas usually need smaller awnings since they receive less direct sunlight.


Adjust your awning size to match your local sun patterns for effective shading.


Check Local Building Codes and Restrictions


Some neighborhoods or homeowners associations have rules about awning size, color, or placement. Before buying, check local regulations to avoid surprises. Restrictions might limit how far an awning can extend or require permits for larger installations.


Examples of Common Awning Sizes


  • Small window awnings: 3 to 6 feet wide, with a 2 to 3-foot projection.

  • Patio door awnings: 6 to 10 feet wide, projecting 5 to 7 feet.

  • Large patio or deck awnings: 12 to 20 feet wide, with projections up to 10 feet or more.


These sizes vary depending on your specific needs and space.


Tips for Choosing the Right Size


  • Add at least 6 inches to the width of windows or doors for full coverage.

  • For seating areas, measure the furniture and add 2 feet on each side for comfort.

  • Consider retractable awnings if you want flexibility in coverage.

  • If in doubt, choose a slightly larger awning to ensure adequate shade.



 
 
 

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