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EVERBUILD EVERFLEX 145 Butyl Rubber Sealant, Semi-Setting Butyl Rubber Sealant, Interior & Exterior, Grey, 300 mL

Adhesives & Sealants
EVERBUILD

Everbuild is a well-established brand under the Sika group, specializing in high-performance sealants, adhesives, fillers, and building chemicals. Known for its reliable and durable products, Everbuild caters to both professional tradespeople and DIY enthusiasts. The product range includes silicone sealants, acrylic fillers, foam sealants, and various specialty construction chemicals designed to meet the demands of modern construction and renovation projects across the UK and beyond.

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Semi-setting Butyl Rubber Sealant

EVERBUILD EVERFLEX 145 Butyl Rubber Sealant is a traditional permanently plastic one component sealant based on Polybutene that provides an effective weatherproof seal in a variety of exterior and interior applications. EVERBUILD EVERFLEX 145 Butyl Rubber Sealant forms a skin in approximately 24hrs but remains permanently plastic underneath. The sealant accommodates joint movement of +/- 5% and is over paintable.

  • Overpaintable.
  • Adheres to most common building surfaces.
  • Semi drying – forms a surface skin but remains permanently plastic beneath.
  • High solids formulation - excellent gap filling properties without shrinkage.
  • Good external weathering properties.
Usage
  • Single glazing of metal, concrete and wooden frames.
  • Sealing metal roof panels.
  • Pointing around soft and hardwood timber, metal and concrete/stone window and door frames.
  • Sealing pre-cast concrete panels.
  • Sealing timber sections to brick, stone and concrete; ideal for rooflines applications.
  • Sealing gaps and cracks in brickwork and stone.
 
Advantages
  • Overpaintable.
  • Adheres to most common building surfaces.
  • Semi drying – forms a surface skin but remains permanently plastic beneath.
  • High solids formulation - excellent gap filling properties without shrinkage.
  • Good external weathering properties.
                                                                                                                                              Overpaintability Most decorative paints. Compatibility test is always recommended. Cleaner White spirits.
Packaging
300ml cartridge.
Colour

Grey

Technical Information
Movement Capability

+/- 5%

Application Information
Substrate Temperature

5°C to 35°C

Curing Time

Skins within 24hrs remains plastic underneath.