Low Modulus Silicone. Flexible. Durable. Weather-Tight.

Arbosil Low Modulus Silicone Sealant is a professional-grade, one-part silicone designed for sealing joints subject to movement. It remains permanently flexible after curing, accommodating thermal expansion and structural movement without cracking or debonding. Black suits dark-framed aluminium systems, anthracite uPVC, and contemporary architectural applications where a bold, clean joint line is required.

Supplied in a 310ml cartridge.

Key Features

• Low modulus formulation — permanently flexible after cure
• Accommodates joint movement without cracking or debonding
• Black colour — ideal for dark aluminium frames and anthracite uPVC
• Excellent adhesion to glass, uPVC, aluminium, masonry, and timber
• Weather, UV, and temperature resistant
• 310ml cartridge

Ideal For

• Dark-framed aluminium window and door systems
• Anthracite and black uPVC perimeter sealing
• Contemporary architectural glazing
• General weathersealing on movement-prone joints

Also Available in Low Modulus

• Arbosil Low Modulus Silicone 310ml – Clear
• Arbosil Low Modulus Silicone 310ml – White
• Arbosil Low Modulus Silicone 310ml – Brown
• Arbosil Low Modulus Silicone 380ml – Anthracite
• Professional Skeleton Sealant Gun

Volume: 310ml | Colour: Black.