Everbuild 450 Everflex Premium Builders Silicone sealant C3 box of 25
Trade Box of 25 - Trade Price - Money Saver Deal
7 Available Colours In Box of 25:
Black - 450BK - 484832
Brown - 450BN - 484833
Buff - 450BF - 484831
Grey - 450GY - 484834
Oak - 450OAK - 484835
Translucent - 450TR - 484836
White - 450WE - 484830
Product Overview:
The Everbuild Everflex 450 LM Premium Builders Silicone Sealant – Trade Box of 25 offers exceptional value for contractors, tradesmen, and professional installers who demand both performance and economy. Now transitioned from Everbuild to Sika, this proven low modulus, neutral cure silicone delivers superb adhesion, long-term flexibility, and resistance to weather and ageing. Each 300ml cartridge provides professional-grade sealing for both interior and exterior work, ensuring consistent, long-lasting results across all jobs. Suitable for perimeter pointing, glazing, expansion joints, and roof sealing, this bulk box of 25 ensures you always have stock on hand for large-scale projects or trade use. Available in seven professional colours to match common building materials and finishes.
Key Features
Trade Box of 25 x 300ml Cartridges – ideal for contractors, building sites, and bulk users.
Low Modulus Neutral Cure Silicone – compatible with sensitive materials such as PVCu, metals, and glass.
Flexible ±25% Movement – accommodates joint expansion and contraction without cracking.
Superior Weather and UV Resistance – maintains adhesion and appearance in all conditions.
Excellent Multi-Surface Bonding – adheres to wood, metal, masonry, glass, and plastic without primer.
Non-Corrosive and Non-Staining – suitable for coated or polished metals and sealed units.
Available in Seven Professional Colours – Black, Brown, Buff, Grey, Oak, Translucent, and White.
Applications
Perimeter sealing around PVCu, timber, and aluminium window and door frames.
Weatherproof sealing of joints and panels in building and cladding systems.
Glazing, glass-to-metal, and glass-to-glass sealing.
Sealing soft metals such as lead, copper, and zinc.
Expansion and movement joints in construction and roofing applications.
Bedding insulated glass units and repair work over existing sealants.
General building, shopfitting, and refurbishment use.
How to Use
Ensure all surfaces are clean, dry, and free from dust, oil, or old sealant residues.
Cut the tip of the cartridge and fit the nozzle; trim to the desired bead width.
Apply evenly using a standard silicone gun, maintaining consistent pressure.
Tool off immediately for a smooth, professional finish.
FAQs
What does LM stand for?
LM stands for Low Modulus, meaning it remains flexible to accommodate movement in building joints.
Is this the same as Everbuild 450 LM?
Yes – this product is now branded under Sika, but the formulation and performance are unchanged.
Can it be used outdoors?
Absolutely – it provides excellent weathering, UV, and temperature resistance for exterior sealing.
Is this product suitable for trade users?
Yes – this 25-cartridge trade box is designed for professional use and bulk value savings.
Do I need to use a primer?
Not normally. It adheres strongly to most common materials without priming.
Which colour should I choose?
Select from Black, Brown, Buff, Grey, Oak, Translucent, or White to best match your frame or surface finish.
Everbuild 450 Silicone Sealant Information:
"Always read the Technical Datasheet prior to first use to ensure you have the correct information and product for your application"
| Data | |
| Manufacturer | Everbuild |
| Reference Code | 450BK 450BN 450BF 450GY 450OAK 450TR 450WE |
| Reference Code sika | 484832 484833 484831 484834 484835 484836 484830 |
| Type | Premium neutral cure Builders Silicone Sealant |
| Size | 300ml |
| Quantity | Box of 25 |
| Range | Everflex |
| Colour | Black Brown Buff Grey Oak Translucent White |
| Name | Link |
|---|---|
| Everbuild 450 Everflex Premium Builders Silicone Declaration of Performance | Download Attachment |
| Everbuild 450 Everflex Premium Builders Silicone Safety Data Sheet | Download Attachment |
| Everbuild 450 Everflex Premium Builders Silicone Sealant Colour Card | Download Attachment |
| Everbuild 450 Everflex Premium Builders Silicone Technical Data Sheet | Download Attachment |
£159.60 £61.61 £73.93 Inc. VAT
£9.12 £2.75 £3.30 Inc. VAT