Elevating Structural Integrity In Window And Door Fabrication - KINGSTON PU6021

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Post Date: January 5, 2026 | Last Edited: January 5, 2026

PU6021 streamlines production and adapts to varied project needs

KINGSTON PU6021 is a high-performance, two-component polyurethane adhesive designed for precision corner joining in aluminium, steel-plastic, wood-aluminium, and aluminium-plastic composite window and door frames. Its advanced formulation securely bonds corner brackets to the profile cavity, enhancing structural integrity and preventing issues such as cracking, misalignment, and leakage. The adhesive’s thixotropic, non-drip consistency ensures accurate and clean application, while its innovative injection technology delivers smooth, uniform results. With rapid curing powered by a built-in curing agent and multiple open-time options, PU6021 streamlines production and adapts to varied project needs. Beyond fenestration, it provides exceptional adhesion on metals, suitable for aluminium/wood/plastics components/stones, offering versatility without compromising strength.

Key Advantages:

Optimised for aluminium window and door corner joints.
Superior strength and durability.
Excellent multi-material adhesion.

Kingston Fenestra Pro 300, the pinnacle of professional-grade, polymer-based acrylic paintable sealants, is designed for interior and exterior perimeter sealing applications. Trusted by industry experts, this sealant delivers unparalleled performance and reliability, ideal for sealing door, window, and connection joints across a variety of materials, including aluminium, uPVC, and wood. Crafted with precision, Kingston Fenestra Pro ensures superior adhesion and flexibility, guaranteeing a tight, durable bond that endures over time. Whether for interior or exterior projects, professionals rely on Kingston Fenestra Pro for its ease of application and exceptional results.

Available Colours: white, black, brown, light grey, dark grey.

Kingston Weather Neutral (WN+) 399 is the ultimate neutral-grade silicone sealant designed for exterior applications. This non-reactive sealant offers exceptional UV resistance, ensuring long-lasting durability and performance even in harsh weather conditions. With its superior bonding capabilities, Kingston Weather Neutral (WN+) 399 forms a strong and reliable bond, making it the perfect choice for a wide range of applications. From ACP (Aluminium Composite Panel) and glass joints to acrylic boards and aluminium partitions, this sealant is the fabricator’s best friend, guaranteeing high-quality results.

WN+ 399 in dark grey is a new colour variant that uniquely matches window profiles, providing a seamless and aesthetic finish. It is not only a waterproof solution but also non-reactive to the environment, further enhancing its premium quality. With excellent weather resistance, robust bonding properties, and improved window protection, this sealant ensures the longevity and reliability of your projects.

It is also available in various colours like black, white, clear, brown, and dark brown.