Everbuild Everflex Weather Mate Gap Filler & Adhesive 295ml

Everbuild Everflex Weather Mate Gap Filler & Adhesive 295ml

By Everbuild · Model: WEATHER · Fixings & Adhesives

Exterior sealant and adhesive that remains permanently flexible, water resistant, and paintable. Translucent finish for discreet weatherproofing.

  • Permanently flexible even in extreme temperatures
  • Water resistant for reliable exterior weatherproofing
  • Paintable with most exterior paints after curing
  • Translucent finish blends with surrounding surfaces
  • Fills and seals gaps around windows, doors, and cladding
  • Can be used as both a gap filler and an adhesive
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Overview

Everbuild Weather Mate is a well-regarded exterior sealant designed for filling and sealing gaps around windows, doors, soffits, fascias, and cladding. Its permanently flexible formula withstands building movement and temperature cycling without cracking or shrinking, making it a dependable choice for exposed external joints.

In-Depth Look

Everbuild Weather Mate has earned a solid reputation on UK building sites as a go-to exterior sealant for perimeter sealing and general weatherproofing. It fills the gap between standard decorators’ caulk, which lacks weather resistance, and silicone sealants, which cannot be painted.

Performance in Exterior Conditions

The permanently flexible formula is the main selling point. External joints are subject to constant thermal movement, and rigid fillers will crack within a season. Weather Mate accommodates this movement reliably, maintaining a watertight seal through freeze-thaw cycles and summer heat. The translucent finish means it does not stand out against different coloured substrates, and the ability to overpaint gives decorators full control over the final appearance.

Application and Workability

The sealant guns out smoothly and tools off easily within its working time. It adheres well to timber, PVCu, brick, render, and most metals without the need for a primer. Surfaces should be clean and dry for best results, so planning application around the weather is important on exterior work. Cure time is dependent on temperature and joint depth, but the surface typically skins over within an hour.

Verdict

Everbuild Weather Mate is a reliable, no-fuss exterior sealant that does exactly what it promises. Its combination of flexibility, paintability, and weather resistance makes it a strong choice for any tradesperson who needs a dependable gap filler for outside work. It will not replace silicone where waterproofing under immersion is required, but for general external sealing it is hard to fault at the price.

Specifications
Volume295ml cartridge
ColourTranslucent
ApplicationExterior gap filling and sealing
PaintableYes, after full cure
FlexibilityPermanently flexible
Tool TimeApproximately 10 minutes

Who It's For

  • Builders and roofers sealing exterior joints on new builds and refurbishments
  • Window and door installers filling perimeter gaps after fitting
  • Maintenance teams carrying out weatherproofing repairs on commercial and residential properties

Pros & Cons

Pros

  • Stays flexible over long periods without cracking
  • Translucent finish is discreet on most surfaces
  • Can be overpainted for a seamless look
  • Good adhesion to a wide range of building materials

Cons

  • Not suitable for permanently submerged joints
  • Requires dry surfaces for best adhesion
  • Translucent colour may yellow slightly over time in direct sunlight
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