Large Profile H-Profile Silicone Seal Strip | Heavy-Duty Gasket for Glass & Panel Joints

Product Overview

The Heavy-Duty H-Profile Silicone Seal Strip is a reinforced silicone extrusion gasket designed for glass panel joining, structural gap sealing, and protective sealing applications.

Manufactured through a professional silicone extrusion process using high-quality silicone rubber, its unique H-profile structure provides excellent double-sided clamping and secure sealing performance between panels, sheets, and frame components.

With outstanding flexibility, weather resistance, UV resistance, and long-term durability, this silicone gasket effectively prevents water leakage, dust intrusion, air infiltration, and noise transmission in both indoor and outdoor environments.

Designed for large profile and heavy-duty sealing applications, it provides reliable performance for architectural, industrial, and equipment sealing projects. OEM and ODM customization is available for sizes, colors, hardness (Shore A), and lengths.

Key Features

• H-profile reinforced design for double-sided clamping and secure panel connection
• Excellent waterproof, dustproof, and sound insulation performance
• Heavy-duty structure suitable for larger gaps and demanding sealing applications
• Made from premium silicone rubber with excellent flexibility, resilience, and deformation resistance
• UV-resistant, anti-aging, and weatherproof for long-term outdoor use
• High temperature resistance with stable performance under various environments
• Available in custom sizes, colors, hardness (Shore A), and specifications

Note: Color is specified only for non-standard color options. Products without a color indication are supplied in the standard color.

Specifications

• Material: High-quality silicone rubber
• Profile: H-profile extrusion silicone seal strip
• Structure: Reinforced H-shaped double-sided clamping design
• Installation: Panel insertion and groove clamping, no adhesive required
• Performance: Waterproof, dustproof, heat-resistant, weatherproof, UV-resistant
• Service Life: Long-term durability for architectural and industrial sealing applications

Length Selection Guide

Silicone seal strips are available in various lengths depending on profile size, shipping method, and order quantity.

• Standard lengths: Most specifications are available in common lengths such as 1 m, 3 m, and 10 m for sample orders, replacement parts, and regular applications.

• Large profiles: Due to their larger dimensions and shipping weight, some long-length options may be limited by standard shipping requirements. These profiles can be shipped by commercial express, air freight, or sea freight according to customer requirements.

• Bulk orders: For wholesale and engineering projects, we offer custom lengths, longer rolls, and production quantities based on project requirements.

• Custom production: If a requested size or length is not currently listed, we can manufacture it using our existing extrusion molds, with no additional tooling cost required.

Please select the available length option for each specification. For special lengths, large quantities, or alternative shipping options, please contact us for a suitable solution.

Application

• Glass panel joining and gap sealing
• Frameless glass windows, doors, and glass partitions
• Balcony glass systems, shower enclosures, and bathroom glass partitions
• Glass cabinet doors, display cabinets, and interior partitions
• Equipment cabinets, electrical enclosures, and industrial equipment sealing
• Indoor and outdoor architectural glass installation sealing

Size Chart