Geon™ Bold Alloys

Geon Bold offers excellent weathering performance, cool touch, and color hold in exterior applications. Request a free 50 lb. sample of Geon Bold.

Meet growing market demand for appealing darker colors that have the look of expertly stained wood or painted metal.  Specially formulated for capstock, profiles and sheet used for outdoor building products, Geon Bold provides superior weathering performance with excellent color hold, even in the darkest shades.


  • Appealing dark colors in high-gloss, satin and matte finishes to resemble stained wood or painted metal
  • Low consumer maintenance required
  • Long-term color hold performance as demonstrated by outdoor weathering data in varied climates and environments
  • Formulated with cool pigment technology to lower solar heat build-up and keep surfaces up to 30% cooler to the touch
  • Grades with higher heat distortion temperatures for use in warmer climates
  • Flexible design options with grades that can be extruded as capstock over substrate, solid profile, or sheet

Geon Bold Alloys
Product Description Application
L5000 Base grade for solid profile or capstock extrusion in mid-dark colors Fencing, windows, railings
LA426 (HTX) Premium grade for solid profile extrusion in the darkest colors Fencing, windows
L5500 Premium grade for capstock extrusion in mid-dark colors Railings, fencing, windows
L5700 Premium grade for capstock extrusion in the darkest colors Decking
L5800 Premium grade for capstock extrusion in the darkest colors Railings, fencing, windows
Name Category Description  
Geon™ Bold Alloys - Brochure
Geon™ Bold Alloys - outdoor weatherable formulations for dark colors
Geon™ Performance Materials: The Value of Vinyl
Product Bulletin
Vinyl basics, benefits, products, services and characteristics
Geon™ Vinyl Window & Door
Application Bulletin
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