Description : 450 Builders Silicone is a premium quality low modulus non-corrosive neutral cure silicone sealant that adheres to virtually all substrates, both porous and non-porous.

Typically used for construction expansion joints and perimeter pointing of all types of door and window frames.

Conforms to ISO 11600 class: F 25LM.

Benefits
•    Excellent adhesion - adheres to most common surfaces including glass, metals, plastics and wood
•    Low dirt pick up - important in PVCu  work
•    Excellent flexibility - +/- 25%.
•    High resistance to plasticiser migration - may be used over water based and solvent based paints.
•    Excellent external weathering properties.
•    Suitable for use on polycarbonate
•    Certified under the harmonized European standard EN15651 for façade, glazing, cold climate and sanitary applications in compliance with the Construction Product Regulation
•    FDA approved under code CFR 21. 177.2600(e)

Areas For Use
•    Perimeter pointing internally and externally around PVCu /wood and all other window frames.
•    Sealing and as an adhesive onto PVCu, plastic trims and components.
•    Bedding insulated glass units in accordance with relevant clauses of BS8000 Part 7.
•    Suitable as an expansion joint sealant.
•    Weather sealing and joint sealing to pre-formed panels.
•    Sealing soft metals such as lead, copper and zinc.
•    General glazing sealing and draughtproofing, including repair work over existing sealant.
•    Glass to glass and glass to aluminium sealing.
•    Parapet and roof weather sealing applications.

Limitations
•    Do not use in conjunction with bitumen asphalt, neoprene and certain organic elastomers. 
•    Do not use in the manufacture of Aquariums. Use AQUA MATE
•    Do not use on substrates that bleed oil, solvents or plasticisers.
•    Non overpaintable. Use WEATHER MATE.
•    Use as a mirror adhesive; Not recommended- Use MIRROR MATE.