Patio Cover Beam Size Chart In Inches And Feet

When building a patio cover, choosing the right beam size is critical for ensuring structural stability and durability. The beam size depends on several factors, including the span of the cover, the materials used, and the local building code requirements. This chart provides general guidelines for patio cover beam sizes in inches and feet.

Important Note: The beam sizes provided in this chart are approximate and should only be used as a starting point. Always consult with a qualified structural engineer or contractor to determine the appropriate beam size for your specific project.

Patio Cover Beam Size Chart
Span (feet)	Width (inches)	Depth (inches)	Material
6-8	4	6	Pressure-treated lumber
8-10	6	8	Pressure-treated lumber
10-12	6	10	Pressure-treated lumber
12-14	6	12	Pressure-treated lumber
14-16	8	12	Pressure-treated lumber
16-18	8	14	Pressure-treated lumber
18-20	10	14	Pressure-treated lumber
20-24	12	16	Pressure-treated lumber
24+	14	18	Pressure-treated lumber
6-8	4	8	Steel
8-10	6	10	Steel
10-12	6	12	Steel
12-14	8	12	Steel
14-16	8	14	Steel
16-18	10	14	Steel
18-20	10	16	Steel
20-24	12	16	Steel
24+	14	18	Steel

Additional Considerations:

The beam size may need to be increased if the patio cover is subject to heavy snow or wind loads.
The beam spacing may also need to be adjusted based on the beam size and the span of the cover.
It is always recommended to consult with a qualified structural engineer or contractor to determine the appropriate beam size and spacing for your patio cover.