Hodgson Sealants Silfix U8

Hodgson Sealants Silfix U8 – Premium Low‑Modulus Neutral Cure Silicone Sealant

High‑Performance Silicone for the Building Envelope

Silfix U8 from Hodgson Sealants is a high‑performance, low‑modulus (25LM) neutral cure silicone sealant engineered for demanding construction and façade applications. Designed to accommodate significant building movement without cracking or losing adhesion, Silfix U8 delivers long‑lasting flexibility and reliability across the building envelope.

Its alkoxy neutral cure formulation releases alcohol during curing, reducing the risk of metal corrosion and ensuring compatibility with sensitive substrates. With excellent weather resistance, smooth tooling properties, and low odour, Silfix U8 is the trusted choice for professional applicators seeking consistent, high‑quality results.

Key Features

• Low‑modulus, neutral cure (25LM) silicone sealant
• Solvent‑free and low odour
• Excellent tooling and application properties
• Outstanding adhesion to a wide range of construction materials
• CE‑marked for façade and glazing applications
• Highly flexible, accommodating movement without failure
• Weather‑resistant alkoxy silicone formulation

Available in 380ml cartridges.

Where to Use Silfix U8

Silfix U8 is specifically formulated for professional construction and glazing applications, including:

• Sealing curtain walling and pre‑formed panels
• Construction joints where movement is expected
• Bonding and sealing PVC‑U trims and components
• General weather‑sealing and draught‑proofing
• Façade, cladding, and glazing applications requiring long‑term flexibility

Its smooth application and strong adhesion make it ideal for both new builds and refurbishment projects.

Why Choose Silfix U8

• Maintains flexibility over time, even in high‑movement joints
• Neutral cure reduces risk of substrate staining or corrosion
• Professional‑grade formulation for consistent, reliable performance
• Suitable for internal and external use
• Designed and packaged specifically for trade applicators

380ml Trade Size cartridge. If you require extra or spare nozzles, purchase the Trade Size Nozzles here.