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ATAS offers numerous hole size and placement combinations. While standard rounds holes are the most economical, custom shapes and variations are available at and additional cost and with design limitations. 
ATAS has a set of “standard patterns” . The ATAS standard patterns are known to work for pre-painted aluminum coil or sheets. We have a history running these patterns which makes budgetary pricing available. 
A perforation pattern is specified as follows:
Hole Size x Center to Center Distance x Orientation and the Open Area Produced 

ATAS Standard Pattern “A23” is:  .25” x .5” OC Staggered, 23% OA
The holes are ¼” in diameter
Spaced ½” apart center-center diagonally at a 60 degree angle, which produces 23% open area, or metal loss – 23% of the metal is removed.
Perforated metals have several basic applications. The type or requirements of the perforation may dictate or determine the perforation pattern.  
Ventilation: Provides airflow
Acoustical: Panels are used for sound dampening
Architectural: Passive shading/sunscreen, decorative application, signage, panel infills or ornamental contrast.
Architectural application is the most common for ATAS projects.  Possibilities and design variations are extensive.



Perforated Panel Options:

- Belvedere Series
- Design Wall
- Metafor
- Multi-Purpose
- Rigid Wall

Note: Aluminum only for exterior applications. Steel may be used for interiors.

Standard & Premium Colors (PVDF Finish)

Classic Bronze
Classic Bronze(01)
Medium Bronze
Medium Bronze(03)
Chocolate Brown
Chocolate Brown(04)
Concord Cream
Concord Cream(05)
Mission Red
Mission Red(08)
Sierra Tan
Sierra Tan(09)
Ascot White
Ascot White(10)
Forest Green
Forest Green(11)
Patina Green
Patina Green(12)
Dove Grey
Dove Grey(13)
Siam Blue
Siam Blue(14)
Rocky Grey
Rocky Grey(16)
Brite Red
Brite Red(17)*
Regal Blue
Regal Blue(18)
Slate Grey
Slate Grey(20)
Slate Blue
Slate Blue(21)
Antique Patina
Antique Patina(24)*
Bone White
Bone White(26)
Hartford Green
Hartford Green(27)
Hemlock Green
Hemlock Green(30)
Charcoal Grey
Charcoal Grey(62)
Clear Anodized
Clear Anodized(70)*
Dark Bronze Anodized
Dark Bronze Anodized(71)*
Acrylic Coated Galvalume
Acrylic Coated Galvalume(97)
*Premium Finish
Note: For printable color chart please refer to "Documents" tab above.
Click to view full size image.

NCCU Brite, Durham, NC

Belvedere Short Rib Panel (BWK360), Silversmith (both sides)

Waltrip Raceworld USA, Lake Norman, NC

Corra-Lok (MFC160), Silversmith

United Cerebal Palsy Center Office, Pittsburgh, PA

Belvedere Span Wall (BWS240) Perforated, Ascot White

Libby Mill, Richmond, VA

Belvedere (BWR360), Patina Green

75 Tresser, Stamford, CT

Perforated Belvedere Short Rib, Ascot White; Metafor, Clear Anodized, Versa-Lok, Silversmith; Versa-Seam, Slate Grey

Rocketship Fuerza Community Prep

Perforated Belvedere Penum Wall, Teal

West Mec NE Campus, Phoenix, AZ

Corrugated Perforated (BWC374), Opaline (OPF060), Custom Colors

Bixby Redhill, Irvine, CA

Belvedere 6" Short Rib (BWK360), Clear Anodized

Bixby Redhill, Irvine, CA

Belvedere 6" Short Rib (BWK360), Clear Anodized

North Hills Parking Deck, Raleigh, NC

Metafor Perforated, Dove Grey

Highlights the wide variety of products and services offered by ATAS.
Use this program to create specifications using ATAS products.
Visit the Curveline website to learn more about our curved metal services.