Top 10 Outdoor Sealant CLEAR UK – Sealers

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1. Everbuild

Transparent, Everbuild Everflex 450 Premium+ Builders Silicone Sealant, 300 ml

Everbuild - Available in brown, black, Buff, white, Translucent, Oak and Grey. Size: 300 ml. Silicone 450 Builders Silicone. Cures quickly to provide a permanently flexible, high strength waterproof seal.

Suitable expansion joint sealant or weather sealing and ideal for pre-formed panels, including repair work over existing sealant, general glazing sealing, glass to glass and glass to aluminium sealing. Brand: Everbuild. 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. Formulated as a high viscosity grade to give Ideal tooling properties.
ManufacturerSika Everbuild
Height4.4 cm (1.73 Inches)
Length23.1 cm (9.09 Inches)
Width6.5 cm (2.56 Inches)
Part NumberEVB450CL

2. Everbuild

Gap Filler and Adhesive, 295 ml, Clear, Everbuild Everflex Weather Mate

Everbuild - Formulation: multiple use adhesive and gap filler based on an advanced isocrylic formula that provides the high weather proofing protection for adhesion to all surfaces.

Temperature resistance: Suitable for temperatures as low as -25 and up to 95 degrees Celsius. Flexibility: remains permanently flexible for ideal use in areas where shrinkage and expansion is possible such as around windows and doors. Multiple colours: Available in white, clear and black. Usage: suitable for all roofline applications, lead and galvanized steel, filling cracks in stone tiles and slates, jointing for all types of guttering, asphalt, securing problematic surfaces such as bitumen, and much more.
ManufacturerSika Everbuild
Height23 cm (9.06 Inches)
Length5 cm (1.97 Inches)
Width5 cm (1.97 Inches)

3. Everbuild

Everbuild Stixall Extreme Power, Building Adhesive and Sealant Hybrid, 290 ml, Crystal Clear

Everbuild - Available in black, white, grey, crystal clear, brown and natural. Quick curing time: rapid two in one, easy to use, high grab adhesive and sealant that is touch dry within 30 minutes.

Exterior and interior uses: ideal for bonding mirrors to most common surfaces, automotive gap filing and sealing, jointing cladding panels and much more. Multifunctional: high instant grab adhesion to most internal and external surfaces including glass, Perspex, metals, plasterboard, enamel, concrete, plastic, polyester, wood, painted surfaces and much more. Paintable: once fully dried this product can be overpainted. Instant high grab adhesive: using hybrid polymer technology Stixall takes the features of silicone and polyurethane to form the incredible high strength, high grab, primerless adhesive.
ManufacturerSika Everbuild
Height23 cm (9.06 Inches)
Length4.9 cm (1.93 Inches)
Width4.9 cm (1.93 Inches)

4. Gorilla

1 Pack, 2.8 Ounce Squeeze Tube, Clear 100 Percent Silicone Sealant Caulk, Gorilla 8090001

Gorilla - Best for sealing gaps or cracks between two surfaces; Works on window, bath, door, auto, kitchen, gutters, marine and more. Mold and Mildew resistant. Won't yellow, shrink or crack. Incredibly versatile 100% silicone sealant that dries translucent clear. Indoor/outdoor; 100% Waterproof.
ManufacturerGorilla Glue
Height19.38 cm (7.63 Inches)
Length3.58 cm (1.41 Inches)
Width9.53 cm (3.75 Inches)
Part Number8090001

5. Gorilla

Gorilla All Conditions Sealant Clear

Gorilla - The fast set formula is 100% waterproof and can be exposed to water in just 30 minutes. Model number: 1144110 . Shrink & crack proof formula which repels the growth of mould & mildew. All-purpose sealant - perfect for shower trays, windows, doors, baths, toilets, sinks, worktops and more.
ManufacturerGorilla Glue
Height21.5 cm (8.46 Inches)
Length5 cm (1.97 Inches)
Width5 cm (1.97 Inches)
Part Number1144110

6. Everbuild

295 ml, Everbuild Everflex 225 Contract Industrial and Glazing Silicone Sealant, Transparent

Everbuild - Contractor grade: 225 is everbuild's contract Silicone Sealant that remains permanently flexible, forming a weather tight waterproof, temperature resistant seal up to 200˚C. Multiple uses: suitable for sealing glass to glass, industrial uses including gasket sealing, as an adhesive for fixing uPVC trims and cladding, timber and uPVC window frames, aluminium gutter sealing, glass to aluminium, cap glazing to metal, sealing around worktops and laminated panels, butt and channel glazing, glass to metal, refrigeration and hygiene sealing and much more.

Rying time: skins over in 10 minutes at 20˚C fully cured at 4 mm per 24 hours dependent on humidity.

Nti-fungal compound: features mould shield anti-bacterial solution, preventing black mould, integrated into the manufacturing process, bacterial growth and discolouration. Multiple colours: Available in white, black, steel and translucent. Apply using a caulk, sealant / adhesive cartridge application gun, we recommend the Everbuild Power Pro Heavy Duty Sealant / Adhesive Cartridge Applicator Gun.
ManufacturerSika Everbuild
Height5 cm (1.97 Inches)
Length23 cm (9.06 Inches)
Width5 cm (1.97 Inches)
Part Number225TR

7. Evo-Stik


Evo-Stik - Guaranteed up to 25-years. Weather resistant and waterproof. Contains fungicide for mould resistance. Interior or exterior use. Flexible to accommodate movement.
ManufacturerEvo Stik
Height4.8 cm (1.89 Inches)
Length23.29 cm (9.17 Inches)
Width6.2 cm (2.44 Inches)
Part Number30811724

8. Unibond

Translucent, UniBond 2079249 General Purpose Sealant Cartridge

Unibond - Forms a permanent, flexible seal. Excellent adhesion. Silicone sealant. Weatherproof. Also suitable for draught proofing.
ManufacturerHenkel Ltd
Height23 cm (9.06 Inches)
Length5 cm (1.97 Inches)
Width5 cm (1.97 Inches)
Part Number2079249
WarrantyNo guarantee.


Clear, XPRO General Purpose Silicone Sealant, 280ml

XPRO - High strength waterproof seal. Quick curing - low dirt pick up. Mould resistant. Low viscosity for fast application. Permanently flexible.

10. Dow Corning

Dowsil 791 Sealant Translucent 310ml

Dow Corning - 20-30 minutes working time. Resistance to Ozone, UV radiation and temperature extremes. Fast cure - tack free in 2 hours. Confirms to iso 11600-25lm and meets ISO specification 9047 Class 51. Excellent weathering characteristics.
BrandDow Corning
ManufacturerDow Corning
Height23.5 cm (9.25 Inches)
Length5 cm (1.97 Inches)
Width5 cm (1.97 Inches)
Part Number4028427/C05
WarrantyNo guarentee.