Everbuild Everflex® 450 Builders Silicone Sealant is a low modulus, oxime cure RTV silicone sealants that adhere to a wide range of both porous and non-porous surfaces without the need for priming. Conforms to BS5889. SILICONE 450 is formulated as a high viscosity grade to give excellent tooling properties. Cures quickly to provide a permanently flexible, high strength waterproof seal.
Remains permanently flexible, forming a tight rubber-like seal. With a faster curing time than conventional low mod sealants with an extremely low dirt pick up. They are also flexible and waterproof giving a good sound seal for a professional finish.
Ideal for perimeter pointing internally and externally around PVCu / wood and all other window frames, sealing and as an adhesive onto PVCu, plastic trims and components. Suitable as an expansion joint sealant or weather sealing and ideal for joint sealing to pre-formed panels, sealing soft metals such as lead, copper and zinc, general glazing sealing, draught proofing, including repair work over existing sealant, glass to glass and glass to aluminium sealing and roof weather sealing applications.
We offer a range of delivery services which will be based on the item, the weight and delivery location. With most products you will be given an option of whether you want it 2-3 day untracked, or next working day. You will be given these options in your basket once you’ve supplied your delivery address as part of our checkout process.
Please note that if you are having a delivery to an address outside of Zone A & B the delivery services offered may take longer. Zone C up to 48 hours, and Zone D & E up to 72 hours.
For more information on our delivery charges and zones, please click here.
In the unlikely event that you need to return your item, please can you read through our returns & refund policy here and follow the instructions for the one that relates to your reason for return.
Please note that returns for items purchased on our website will not be processed by any of our branches.