What is Seamless™?
Seamless™ Hidden Access Panels are designed for those who value both function and design in their spaces. Crafted from Glass Fiber Reinforced Gypsum (GFRG), our panels offer an invisible solution for accessing critical areas while maintaining a clean, refined aesthetic.

Why Seamless™?
Our (GFRG) gypsum panels effortlessly blend into the surrounding walls and ceilings. Choose Seamless™ for a functional access without compromising the design or aesthetic integrity of the space.
Features
Stealth Integration
The access panel blends seamlessly with drywall, offering a hidden appearance with minimal visible lines.
Sustainable Design
Made from durable glass fiber reinforced gypsum (GFRG) and 70% post-consumer recycled glass for a sustainable and eco-friendly solution.
Lightweight Material
Incredibly lightweight, making installations quicker and save cost for labour.
Easy Installation
Install with ease using coarse-thread drywall screws into pre-countersunk locations for a smooth, invisible finish.
Quality matters
No shrinking, cracking, sagging or rusting and moisture resistant, ready to paint.
Tailored to Your Need
Available in more than 800 standard combination sizes and fully customizable.

Let's Work Together
Whether you’re working on new construction or retrofitting an existing building, these gypsum access doors provide a seamless solution that blends flawlessly with drywall, ensuring a clean, professional result.
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INFORMATION
135 Wendell Ave,
North York, ON,
M9N 3K9 Canada
Monday to Friday
8am – 6pm EST
@2025 Castle Access Panels & Forms Inc.