335 Construction Silicone - Grey

335 Construction Silicone - Grey 

335 Construction Silicone is a low modulus, reactive curing silicone sealant designed to cure quickly and reduce dirt pick-up. It remains permanently flexible, forming a weather-tight, rubber-like seal that delivers reliable performance in a wide range of construction applications.

Product Features / Specifications

• Ideal for sealing around PVCu profiles, trims, and cladding
• Perimeter pointing to PVCu, timber, and metal window and door frames*
• Weathersealing for pre-formed panels and formwork
• Glass-to-glass and glass-to-aluminium weathersealing
• Cap glazing and remedial glazing sealing
• General draughtproofing

Product Benefits

335 Construction Silicone cures faster than conventional low modulus sealants, minimizing downtime and accelerating project timelines. Its extremely low dirt pick-up keeps seals clean and visually appealing over time. With a flexible formulation accommodating movement of ±20%, it maintains a waterproof and durable seal even in dynamic conditions. Additionally, the sealant contains a powerful anti-fungal compound to prevent mould growth, ensuring longevity and hygiene in sealed areas.

Applications and Versatility

• Sealing and weatherproofing around windows, doors, and cladding
• Ideal for construction joints where flexibility and durability are critical
• Suitable for use on a variety of substrates including PVCu, timber, metal, glass, and aluminium
• Effective for both internal and external applications where a weather-tight seal is required

Features & Benefits List

• Fast curing for reduced project downtime
• Low dirt pick-up for clean, lasting finishes
• Flexible seal with ±20% movement accommodation
• Waterproof and weather-resistant
• Anti-fungal compound to prevent mould growth
• Compatible with a wide range of materials
• Durable, long-lasting weather-tight seal

Technical Specifications

• Chemical Base: Silicone
• Packaging: 295ml cartridge
• Colours: White, Translucent, Brown, Bronze, Black, Grey, Toffee
• Shelf Life: 24 months from date of manufacture (stored unopened)
• Storage Conditions: Store in cool, dry conditions between +5°C and 25°C

Additional Information

At Parr Rochdale, we offer flexible delivery options tailored to your project needs: