Close-up view of horizontal gray fiber cement siding panels with a wood grain texture on a building exterior.

Color Additives for Vinyl Siding & Cladding

Built for sun, heat, and fade-free color that holds up to the elements.

Talk to a Building & Construction Expert

Vertical wooden slats with a diagonal shadow cast across the right side of the surface.

Designed for Color Stability and Thermal Performance

Americhem’s color and additive technologies help vinyl siding and cladding meet growing demands for durability, appearance, and energy-conscious design. Whether you’re extruding rigid profiles or injection molding trim, our solutions resist fading, reduce heat buildup, and hold color in challenging climates.

Backed by decades of weatherability expertise and trusted across North America, our masterbatches and pre-colored compounds support consistent, compliant production.

Benefits include:
  • UV-stabilized colorants for long-term outdoor durability
  • Heat-reflective pigments to reduce surface temperature
  • Weather-resistant masterbatches for fade-prone colors
  • Pre-colored compounds that streamline processing and reduce scrap

Built for UV Exposure, Dark Colors, and Long-Term Durability

From rigid vinyl siding to injection-molded cladding profiles, Americhem delivers color additives and compounds designed for demanding outdoor conditions, cost-effective manufacturing, and aesthetic performance.

Beige vertical wooden paneling with diagonal light and shadow patterns crossing from the right side.

nDuramax®

Protects siding color from ultraviolet fade and heat stress.

Close-up of light wood paneling with horizontal grooves and visible grain patterns.

nGrain®

Woodgrain colorants for natural looks with dispersion, depth, and outdoor stability.

Close-up view of beige vinyl siding panels on a wall, showing the horizontal lines and subtle textured pattern on the surface.

ValuPak™

Simplifies PVC additive dosing while supporting outdoor performance and regulatory alignment.

Close-up view of the corner of a building with brown horizontal fiber cement siding featuring a wood grain texture.

eCap™ ePVC

Pre-colored compounds for darker siding shades without moisture whitening or heat distortion.

Single-story modern house with dark gray siding, a red front door, large windows, and a wooden front porch. Steps lead up to the entrance, with landscaped plants in front.

Make Color a Performance Advantage in Siding

Dark tones, harsh climates, and aesthetic expectations are raising the bar. Americhem’s additives help you meet it—with color and durability built for long-term results.

Talk to a Building & Construction Expert

Keep Siding Cool, Compliant, and Color-True

Americhem additives are trusted by siding manufacturers across global markets.

We help producers deliver vinyl cladding systems that maintain their appearance and performance in sun-exposed, code-regulated environments. Every formulation is matched to your polymer, profile design, and regional climate to ensure consistent, production-ready results.

Why cladding manufacturers choose Americhem:
  • UV- and heat-stabilized compounds aligned to building standards
  • Pre-colored EPVC compounds for dark colors without moisture whitening
  • Flame-retardant additive packages engineered for extruded profiles
  • Global formulation support with documentation, testing, and scale-up guidance
Close-up view of raindrops falling near the window and roof of a weathered green wooden building, photographed from a low angle against a bright sky.

Regulatory Confidence in Every Siding System

Americhem cladding compounds are developed under ISO 9001 and ISO 17025 quality systems. These certifications support traceability, documentation, and regulatory alignment with ASTM weathering standards, UL flame ratings, and VOC compliance for exterior-use siding materials.

Explore Certifications

A blue single-story house with white trim, a double garage, front porch, and two white chairs with a small table and potted plants.

Where Siding Materials Are Made to Perform

Real materials. Real timelines. Real results. Partner with a global team known for color durability, processing consistency, and additive expertise in vinyl siding systems.

Request a Custom Solution