THERMA-TRU DOORS AT ASHBY LUMBER
At Ashby Lumber, we proudly offer Therma-Tru door systems—industry-leading solutions that combine timeless design with modern performance. Whether you’re enhancing curb appeal or upgrading functionality, Therma-Tru doors deliver the beauty of wood with the strength of fiberglass. With decades of innovation behind every product, Therma-Tru continues to set the standard for style, security, and energy efficiency. Let our team help you find the perfect fit for your home or project.
Why Choose Therma-Tru at Ashby Lumber?
Innovative Design
Therma-Tru Doors feature a variety of styles and finishes to complement any architectural design
Durability
Constructed with high-performance materials, these doors are built to withstand the elements and daily use.
Comprehensive Warranty
Therma-Tru offers a lifetime limited warranty, providing peace of mind with your investment.
Energy Efficiency
Many Therma-Tru Doors are ENERGY STAR® qualified, helping reduce energy costs.
Exploring Therma-Tru Door Solutions
Classic-Craft® Collection
Authentic Wood Aesthetic: Premium fiberglass doors with architecturally correct proportions and wide panels.
Woodgrain Variety: Available in Mahogany, Fir, Oak, Walnut, and smooth paintable finishes.
Design Versatility: Extensive decorative glass and panel options.
Energy Efficiency: Solid polyurethane foam core enhances thermal performance.
Structural Integrity: Reinforced lock areas and rot-resistant components.
Weather Resistance: Built to prevent warping, cracking, or splitting.
Lifetime Warranty: Transferable limited lifetime warranty.
Finish Protection: 10-year limited finish warranty with PrismaGuard®.
Fiber-Classic® Collection
First Fiberglass Entry: Original fiberglass door line that mimics natural wood.
Traditional Styling: Oak and Mahogany finishes with classic design formats.
Glass Options: Variety of clear, decorative, and privacy glass styles
Durability: Dent, crack, and corrosion-resistant fiberglass skin.
Therma Core: Insulated with polyurethane foam for energy savings.
Climate Adaptability: Engineered for performance in diverse environments.
Limited Lifetime Warranty: Covers structural and seal failure.
Timely Finishing: Must be finished within 6 months to maintain warranty.
Smooth-Star® Collection
Paintable Surface: Smooth finish ideal for custom colors.
Style Range: Wide variety of lite and panel configurations.
Crisp Detailing: High-definition embossment for clean aesthetics.
Fiberglass Strength: Won’t warp, dent, or rust like wood or steel.
Energy Performance: Polyurethane core supports energy efficiency.
Everyday Durability: Built for long-term wear in varying climates.
Lifetime Warranty: Includes structural coverage
Maintenance Terms: Must be properly finished to uphold warranty.
Pulse® Collection
Modern Design: Sleek, bold styles with minimalist lines.
Surface Choices: Available in smooth or woodgrain textures.
Contemporary Glass: Geometric and artistic glass selections.
Fiberglass Durability: Resists moisture and physical wear.
Insulated Core: Polyurethane core aids thermal performance.
Architectural Match: Suited for modern and transitional homes.
Lifetime Warranty: Limited lifetime coverage.
Finish Requirement: Must be sealed within 6 months.
Veris™ Collection
Expansive Views: Full glass panels for a seamless indoor-outdoor feel.
Design Configurations: Sliding, folding, pivot, and hinged styles.
Slim Profiles: Modern design with narrow stiles and clean frames.
Durability: Engineered for smooth, lasting operation.
Daylight Optimization: Maximizes natural light without sacrificing efficiency.
Performance Engineered: Built to meet high-performance residential standards.
Therma-Tru Warranty: Backed by a comprehensive warranty.
Product Specific Terms: Varies by configuration and installation type.
Why Choose Ashby Lumber?
At Ashby Lumber, we don’t just supply materials—we provide solutions. Our expert team is here to guide you through the process, ensuring you select the perfect Therma-Tru products for your project. With decades of experience serving Bay area homeowners, contractors, and builders, we’ve earned a reputation for exceptional service and quality.
Transform Your Space with Therma-Tru Products From Ashby Lumber
Visit us at our Berkeley or Concord locations, or contact us to schedule a consultation with our experienced team. Let us help you bring your vision to life with Therma-Tru’s exceptional products.
As a leading provider of doors and windows in Berkeley, Concord, and the wider East Bay, Ashby Lumber is dedicated to helping you find the perfect solutions for your home or project. Our Berkeley and Concord showrooms feature a curated selection of high-performance entry and patio doors, including designs that seamlessly combine timeless style with advanced durability.
We’re proud to offer Therma-Tru®, a brand known for pioneering the fiberglass door category and delivering trusted quality through every detail. From the rich woodgrain look of their Classic-Craft® collection to the sleek, modern lines of Pulse® and the smooth, paint-ready finishes of Smooth-Star®, Therma-Tru offers an unmatched range of design options and materials engineered for strength, security, and energy efficiency. Whether you’re upgrading your entryway or planning a full exterior refresh, our expert team is here to guide you every step of the way—ensuring your door not only elevates curb appeal but performs beautifully for years to come.