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 Property of Note Weathering Performance Gloss Level Part Design
Geon Bold L5000 Comes in high gloss, but may be customized for application
High Gloss Capstock, profiles, sheet
Geon Bold L5500 For use as capstock over wood-plastic composite railings
High Gloss Capstock, profiles
Geon Bold L5700 Suitable for higher temperatures (HDT of 203°F/95°C). For use as capstock over wood-plastic composite or cellular PVC decking
Satin Capstock
Geon Bold L5800 Best option for lower heat build-up “jet black”
Satin Capstock
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
Product Bulletin
Vinyl basics, benefits, products, services and characteristics

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