When installing an awning over a door, one of the most important considerations is determining the appropriate size. The ideal awning size will provide sufficient coverage and protection from the elements while complementing the architecture of the home. There are several factors to take into account when deciding how big an awning should be.
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Purpose of the Awning
The main functions of a door awning are to provide shade, allow ventilation, protect from rainfall, and create an inviting entrance to the home. The specific benefits desired will impact the size needed.
- Shade: If shade is the priority, the awning must be wide and deep enough to block sunlight from all angles. Southern exposures need wider coverings to account for the sun’s higher angles.
- Rain protection: Awnings should extend 3-4 feet from the door and overhang the sides by 2 feet to shelter visitors and prevent water from blowing in. The pitch should be steep enough for water runoff.
- Ventilation: For an open breeze, have a narrower awning set higher above the door. For a covered outdoor room effect, choose a deeper awning.
- Curb appeal: A nicely sized awning can enhance the home’s exterior. Allow 2 feet on each side for symmetry and adequate coverage without overpowering the facade.
Door Size
The width of the door itself is a baseline starting point. The awning must be wider than the door frame to provide sufficient coverage. Here are some general awning size guidelines based on door width:
| Door Width | Minimum Awning Width |
|---|---|
| 32 inches | 6 feet |
| 36 inches | 8 feet |
| 48 inches | 10 feet |
These widths allow for approximately 2 feet of overhang on each side. The depth or projection of the awning can be tailored based on the other factors.
Location
The location of the door and the direction it faces will impact sun exposure and rainfall. A door on the south or west side will need more extensive shading. Northern exposures need less coverage. The location can also dictate the awning style – slimline awnings work well on sheltered covered porch areas.
Mounting Height
The awning’s mounting height affects its ability to shelter visitors from the sun and rain. Typical installation height is 8-9 feet above ground level. A lower height around 7 feet offers more coverage for a covered patio effect. For second story doors, 9-12 feet is an ideal height.
Door Design
The shape and moldings around the door should inform awning dimensions. An arched door needs an arched awning for symmetry. Extended moldings, pillars or overhangs on each side necessitate a wider awning to harmonize with the architecture. Allow a 4-12 inch gap between the edges of the awning and adjacent walls or pillars.
Pitch & Projection
The pitch refers to the awning’s angle of slope from the mounting wall. A steeper pitch promotes water runoff. Recommended pitch is between 10 and 45 degrees. Projection is the depth the awning extends out from the door. Wider doors need larger projections for sufficient coverage. A general rule is to allow projection to equal the mounting height, so a 9 foot height = 9 feet projection.
Home Style
Awnings should complement the home’s architectural style for an integrated look. Minimalist modern homes suit rectangular, metal awnings with clean lines. Grand millwork around an arched entryway calls for a half-dome awning. For a Craftsman bungalow, a wide sloped awning fits the characteristic overhangs. Proportion the size to suit the facade.
Materials
The materials used for construction also affect sizing suitability. Heavy materials like metal and tile require more structural support and limit projection possibilities. Canvas allows for greater widths and projection. Frame, brackets and anchors must be sized to support the awning’s weight.
Wind & Snow Loads
Climate factors such as wind, snow and ice impact the optimal awning size. Building codes set standards for wind loads awnings must withstand. Areas with heavy snow need sturdy frames and steep pitches so snow doesn’t accumulate. Reduce projection size if wind or snow will be excessive.
Budget
Project costs increase with the awning’s dimensions based on materials, construction and installation labor. Larger awnings also require more substantial framing and foundations. Determine size needs first, then finalize budget parameters. Focus on quality materials and skilled installation for longterm durability.
HOA Regulations
For homes under HOA oversight, ensure the awning size, placement and style conform to any codes or regulations. Specifically, the HOA may limit projection size, height above ground level or acceptable materials. Get approvals before finalizing plans if required.
Hiring an Awning Company
Working with professional awning installers ensures proper sizing, drafting, materials and mounting. Experts can evaluate the home’s architecture, door dimensions, sun exposure and other elements to recommend the ideal awning specifications. They handle permits and approvals as well as durable installation. Awning companies also provide maintenance and re-covering services.
Conclusion
Determining the optimal awning size requires factoring in sun coverage needs, door measurements, home style, climate and other considerations. While general sizing guidelines apply, the ideal awning dimensions are unique for every home. Work with qualified awning professionals to ensure the awning complements the architecture, provides sufficient weather protection, and improves curb appeal according to your specific requirements.