Aluminum Beams and Posts

Insulated and Pan Patio Covers

All our patio cover systems provide strong, versatile, ready to assemble DIY solutions for your next cover project. Each system is engineered according to your local code requirements which includes projection spans for the panels selected as well as maximum span for the posts. With a range of beam and post options available, we can configure the panel to include as many or as few posts as you would like in most cases.

The details below would apply to our insulated, flat pan, and w-pan patio covers. Click on the link for either option to see more details about the complete patio cover systems.

Hard Top Patio Covers

Patio Cover Terminology

Patio Cover Terminology

Our patio cover systems are designed with the handy homeowner in mind. The units are modular which enable many customizations and almost any size. To the left you will see a schematic that highlights some of the key elements and terminology used in describing and quoting our cover kits. Freestanding and wall attached units are available.

If you have questions or would like to discuss your project further, do not hesitate to call and speak to one of our product specialists - 1.800.922.4760.

Beam Options

Patio Cover Beam Types Self Mating C-Beam

Patio cover kits will include one of 7 different beam types. The selection is based primarily on the local load requirements in combination with the span and number of posts. 3x3 or 4x4 box beams are the most popular and used where possible. A C-beam or I-beam will allow for wider span and fewer posts, but have a different appearance with the open face. Both options can be quoted on request to ensure you get exactly what you desire for your space.

The available beam options, listed from smallest to largest available post span are shown in the images to the right and include:

  • 3" x 3" x .078" Extruded Aluminum Box Beam
  • 3" x 3" x .125" Extruded Aluminum Box Beam
  • 4" x 4" x .125" Extruded Aluminum Box Beam
  • 1.75" x 5" Extruded C-Beam
  • 2.75" x 6" Extruded C-Beam
  • 5.5" x 5" Extruded I-Beam
  • 3" x 10" Extruded C-Beam
  • 2" x 7" Self Mating C-Beam (NEW)
  • 2" x 8" Self Mating C-Beam (NEW)
  • 2" x 9" Self Mating C-Beam (NEW)

Post Options

front fascia gutter

Factory painted posts are provide on all patio cover kits with the size and aluminum gage based on the load requirement for the cover system. Most covers will be use 3x3 or 4x4 posts, though 6x6 is available for extreme heights or snow load conditions. Color matched top and bottom brackets are also provided.

The available post options include:

  • 3" x 3" x .078" Extruded Aluminum - 8', 10', 12' lengths
  • 3" x 3" x .125" Extruded Aluminum - 8', 10', 12' lengths
  • 4" x 4" x .125" Extruded Aluminum - 8', 10', 12' lengths
  • 6" x 6" x .125" Extruded Aluminum - 8', 10', 12' lengths

Beam to Post Connections


Below you will find simple schematics detailing how the various beam to post connections are made. Additional details can be found in the insulated patio cover manual or flat pan and Wpan installation manual.

Box beam to Post Connection
C Beam to Post Connection
I Beam to Post Connection

Warranty Information


The insulated panels are guaranteed not to peel, blister, flake, chip, split, rust, crack or delaminate for a period of 15 years. The aluminum extrusions are guaranteed not to peel, blister, flake, rust, chip, split or crack for 5 years. Subject to the limitations and conditions listed in the LK Aluminum warranty program.


There are a few ways you can order this product:

Superior Quality

Pro-grade patio covers, screen houses, screened in patio kits, Pegolas and gazebo kits. All sourced from premium manufacturers throughout the USA.

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Superior Quality

Better Value

No need to design and and source material separately or spend thousands on a contractor. Complete DIY kits delivered to your door.

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Better Value

Genuine Support

Not sure exactly what you need for your project? Require support during installation? We are just a short call or email away.

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Genuine Support
Unable to find a DIY product on our site that you need for your next project? Let us know! We are always on the lookout for new products and happy to work with suppliers to bring contractor grade products direct to homeowners!
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Covid-19 Impacts

Hello! We hope you and your loved ones are healthy and safe. Our ScreenHouse team is continuing to take every measure to ensure the safety of our employees and meet the needs of all our customers. COVID-19 has resulted in an unexpected surge in product sales.

People are using their backyards and gardens as a sanctuary and escape during these trying times. We love this! However, this has keeping up with demand a challenge. Be assured we are doing everything possible to work with our vendors so we can quickly ship out your orders.

Thank you for choosing ScreenHouse!