Perforated Sunshades
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Open Area Calculator

Below are different open area calculators. Please enter any two fields for the calculation. There is also a conversion table to assist you. For more information, please contact us.

Hexagon
Conversion Table
- Hole Diameter (D)
- Center (C)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Hexagon
Round 45° Staggered Center
Conversion Table
- Hole Diameter (D)
- Spacing (S)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Round 45 Staggered Center
Round - 60° Staggered Center
Conversion Table
- Hole Diameter (D)
- Center (C)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Round - 60 Staggered Center
Round End Slot - Staggered Center
Conversion Table
- Width of Slot (W)
- Length of Slot (L)
- Side Center (B)
- End Center (A)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Round End Slot - Staggered Center
Round End Slot - Straight Center
Conversion Table
- Width of Slot (W)
- Length of Slot (L)
- Side Center (B)
- End Center (A)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Round End Slot - Straight Center
Round - Straight Center
Conversion Table
- Hole Diameter (D)
- Center (C)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Round - Straight Center
Square End Slot - Staggered or Straight Centers
Conversion Table
- Width of Slot (W)
- Length of Slot (L)
- Side Center (CW)
- End Center (CL)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Square End Slot - Staggered or Straight Centers
Square - Straight or 45° Staggered Center
Conversion Table
- Hole Diameter (D)
- Center (C)
- Open Area (OA)
- Holes per Square Inch (HPSI)
Square - Straight or 45 Staggered Center
Hendrick Manufacturing Company | 1 Seventh Avenue Carbondale, PA 18407-2251 | email: archsolutions@hendrickmfg.com

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