Chat with us, powered by LiveChat

Engineering and Permits

Obtaining a Permit

Here is some information about engineering and permits needed to build a patio cover.

In some cities, a building permit is not required for constructing a Patio Cover, check with your Building Department about specific requirements before construction. i.e. a Permit may not be required for a free-standing patio cover if it is at least 6 feet away from another building and the roofing structure (including eaves, gutters etc.) does not cover more than 300 square feet. Also, some departments do not require a permit if using a lattice (non-solid) cover.​

In other cases, to obtain a permit, contact your Building Department. The department typically requires:

​​

Engineering and Permits
Plot Map of Your House
Engineering and Permits
Structural Plans
(drawing of backyard, cover, and its measurements)
Engineering and Permits
Engineering Report

Product Engineering Evaluation Reports

Different states accept different engineering reports, the most widely accepted is the ICC 2009 (stamped for approval by 38 states):

Engineering and Permits

Alabama
Arizona
California
Colorado
Florida
Georgia
Hawaii
Idaho

Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maryland
Michigan


​​

Minnesota
Missouri
Montana
Nebraska
Nevada
New Jersey
New Mexico
New York

North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
South Carolina
South Dakota

Texas
Utah
Virginia
Washington
Wisconsin
Wyoming

Engineering and Permits

ICC Evaluation Report​


Amerimax Exterior Home rProducts Alumawood Patio Cover, Carport and Commercial Structure Engineering 2015 IBC

Need help with your engineering? Get a professionals help today!

Engineering and Permits

Factors to consider for Patio Cover Engineering


Regional Live/Snow Load
Wind Speed
Wind Exposure B or C

Engineering and Permits

Regional Snow Load


The Ground snow load (GSL) is calculated by pounds per square foot of snow coverage and dictated by your region and elevation. The Roof Design Load (RDL) refers to the amount of snow a roofing structure is designed to hold.​

​Note: Rooftop Attachments are not permitted in Snow Load areas.

For areas with 10 lbs ground snow load, roof design load equals 10 pounds. 20 lbs GSL = 20 lbs RDL 30 lbs GSL = 25.2 lbs RDL 40 lbs GSL = 33.6 lbs RDL 60 lbs GSL = 50.4 lbs RDL

Engineering and Permits

Wind Exposure


Wind Exposure is measured in MPH. Alumawood Patio Covers are designed to withstand 90 MPH winds. If your area receives winds higher than 90 MPH consult your Building Department for the exact requirements for constructing a roofing structure.

*All Patio Kits Direct Pre-Fabricated KITs are designed for 10 lb snow load and 90 mph winds. If your area differs in these factors, please contact us or use our customizable quote form so we can put together an even stronger KIT for you that will withstand the elements of your area.

1787 Pomona Road Unit B
Corona, California 92880

888.851.8351

Monday through Friday,
8am - 5pm, PST
Saturday 10 am - 2 pm, PST



Email Us

For customer service
& technical matters



Find a Pickup Location

Find the nearest warehouse

The Persuader Version 2.4