Patio Footing Sizing Calculator

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By clicking below, you agree that the use of this design aid is for estimating purposes only. Results are not valid for use & no construction or design shall be performed without the review and certification by a registered professional engineer.

No warranty or guarantee whatsoever is offered with any results obtained herein.


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This calculator allows you to find the necessary footer or slab size for a given patio, sunroom, or canopy system.

Footing Calculator v17.xlsb
        
Footing Uplift Sizing Calculator
ASCE 7-10           Version 1.0
The Footing Uplift Sizing Calculator estimates the size of a concrete footer, based on a 100 ft 2 tributary roof area.  
The pressures used by this calculator are determined assuming zones 2/2E for a 10ft max mean roof height and  a 1/12 max roof slope.  Pressures used by this calculator do not apply to partially enclosed structures.
Pre-Select Wind Speed by Roof type:
     
     
Roof type:
      
  Louver Porosity:        
Windspeed Selection:
       
  (Default is 170 mph)     
      Note: suggested windpseed (Vult) is set upon roof type. 
   Help me find my Windspeed  You may edit it as needed for your project specs. 
Select the ASCE 7 Exposure of your project: Patio Wall type:
Exposure Category:
    
 
Enter the frost line of the project location   
  Frost Line (in.):      
Help me find my Exposure Help me find my Frost Line   
           
   Uplift Pressure Being used:   
      
   Ready for the next step? Click here ->
   
           
Choose Footer Type and Dimensions
           
     
   
  
    
           
           
           
           
           
 
     
   
           
           
           
  Length (ft.-in.)     Overhang Length (in) 
  ft. in.   
           
  Width (ft.-in.)      Overhang Width (in) 
  ft.- in.   
          
      Tributary Area (ft 2 )   
        
     
    Ready for the next step? Click here ->
  
           
Please choose your footing
           
   
   
       
 
    
     
     
     
     
     
     
     
           
         
      
      
        
      
         
   Footer Width (in)    Footer Depth (in)  
      
   Click here to see a summary of your results ->
   
           
Results
           
   FOR ESTIMATING USE ONLY.  TO PURCHASE SIGNED AND SEALED COPIES, SEE BELOW.  
  Summary  
   Uplift Pressure   
   Tributary Area (ft 2 )

INVALID WITHOUT
ENGINEER SEAL

  
   Footer Type   
   Footer Dimensions  
    
   Total Uplift Load  
   Min. Required Weight   
   Concrete Footing Weight   
           

Patio Footing Sizing Calculator

$80.00

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Digitally Sealed File, Sealed Hardcopy

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