Sikasil®-825 – Low Modulus Neutral-Cure Silicone Sealant (380 ml)
Sikasil 825 Low Modulus Neutral Cure Silicone is a one-part, neutral-cure, low-odour silicone sealant offering superior elasticity and weather resistance. Ideal for external and internal use, it delivers excellent adhesion to numerous substrates without priming, making it a reliable choice for weather sealing, glazing, and façade joints.
Key Features of Sikasil 825 Low Modulus Neutral Cure Silicone
- Neutral-cure (alkoxy) formulation—non-corrosive and low odour
- Low modulus with ±25 % movement capability for durable flexibility
- Superior adhesion to glass, metals, plastics, uPVC, wood, masonry, and stone—often primer-free
- Excellent tooling and slow-skinning for larger joint applications
- High UV, weather, and ageing resistance—retains performance over time
- Certified to ISO 11600 F/G 25 LM and EN 15651 façade standards; CE/UKCA marked
Applications
- Perimeter pointing around uPVC, wood, and powder-coated aluminium frames
- Sealing and adhering trims, soft metals (lead, copper, zinc), and panel joints
- Weatherproofing parapets, curtain walling, and roof perimeters
- Glazing beads, glass-to-glass or glass-to-metal bonds, and expansion joints
- Work with masonry, stone, terracotta, and insulated glass units (IGUs)
