Top 10 GREY Caulk Filler UK – Sealers

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1. ColorSealant

0.57 kg, Unika ColorSealant CS4218-AZ Acrylic Gap Filler and Sealant, Grey

ColorSealant - Flexible and acts as an expansion mechanism allowing the floor to expand and Contract. Model number: CS4218-AZ. Coloured gap filler and sealant. Designed for easy use.
Height5 cm (1.97 Inches)
Length23 cm (9.06 Inches)
Weight0.57 kg (1.26 Pounds)
Width7 cm (2.76 Inches)
Part NumberCS4218-AZ

2. Everbuild

Everbuild Pro Fill 2 Part High Performance Multipurpose Filler, Light Grey, 500g

Everbuild - Suitable for repairing cracks and gaps in wood, metal, glass reinforced plastic also known as fibreglass. Can also be used to fill holes in damaged wooden or metal shuttering or for many other joinery, decorating and building applications. The resulting finish is a strong hard mass that has excellent abrasion resistance and durability. Once mixed the high performance filler cures fast and is resistant to water and oil once dry.
ManufacturerSika Everbuild
Height7 cm (2.76 Inches)
Length12 cm (4.72 Inches)
Weight0.5 kg (1.1 Pounds)
Width12 cm (4.72 Inches)

3. Everbuild

Grey, 290 ml, Everbuild External Frame Acrylic Sealant

Everbuild - Available in white, stone, grey and brown. Once cured the sealant can be over painted if required with most paints. Apply using a caulk, sealant / adhesive cartridge application gun, we recommend the Everbuild Power Pro Heavy Duty Sealant / Adhesive Cartridge Applicator Gun. Provides a permanently flexible, long lasting, mould resistant seal. Suitable for internal and external use around window and door frames Internal only on PVCu. Also suitable to be used to seal cracks and gaps in brickwork, stone and concrete.
ManufacturerSika Everbuild
Height5 cm (1.97 Inches)
Length23 cm (9.06 Inches)
Weight0.48 kg (1.05 Pounds)
Width5 cm (1.97 Inches)
Part NumberEXTGR


Grey, Sealant and Filler, Sika Sikaflex EBT+ Adhesive, 300 ml

SIKA - Exterior and interior uses: Ideal for bonding mirrors to most common surfaces, sealing vertical expansion joints, jointing cladding panels and much more.

White and Beige. Instant high grab adhesive: incredible high strength adhesion and non-slip properties that bonds to most common building substrates including brick, metals, concrete etc. Permanent elastic seal: Long-lasting flexible and elastic seal suitable for filling and sealing internal and external cracks. Quick curing time: rapid two in one, easy to use, high grab adhesive and sealant that is skin time' 70 minutes, curing ~3mm per 24hours. Available in grey, Brown, Black, .
ManufacturerSika Everbuild
Height22.5 cm (8.86 Inches)
Length4.9 cm (1.93 Inches)
Weight0.41 kg (0.9 Pounds)
Width7 cm (2.76 Inches)
Part Number1900603

5. Build With Colour

Silver Grey Silicone Caulk Mastic Sealant RAL7035 310ml

Build With Colour - Supplied with resealable Nozzle. Ral 7035 for colour matching. Permanent colour UV Resistant for use outdoors. Neutral on the tube refers to 'neutral Cure' NOT THE COLOUR. 310ml tube for mastic/silicone/caulking.
BrandBuild With Colour
ManufacturerBuild with Colour
Part Number5060442887114

6. Osmo

Flexible Sealant for Wood Floors Grey, Osmo Gap Sealer 310ml

Osmo - Should not be used for sealing joints permanently exposed to water. Resistant to air conditions, stay elastic a long time after curing. Osmo uk - gap sealer is a single component acrylic sealant. Based on 3mm gaps a 310ml tube will fill in excess of 30 linear metres. Uses: joints in stone, wood, concerete, brick works, iron, plaster, PVC, aliminium.
Part NumberOS-GPSLR

7. Everbuild

1 Litre, Light Grey, Everbuild Ready Mixed Deep Gap Filler

Everbuild - Easy to use and work paste that is incredibly simple to apply straight from the tub. Size: 1lTR. Finishes to a light grey smooth surface in around 30 minutes with no need to sand prior to painting, staining or papering over. Brand: Everbuild. Deep gap Filler. No risk of shrinking, cracking or sagging even on ceiling applications thanks to the fillers lightweight properties. Revolutionary ceramic spheres formulation provides the ability to fill holes, cracks and gaps up to 50 mm deep in a single application.
ManufacturerSika Everbuild
Height12 cm (4.72 Inches)
Length13.5 cm (5.31 Inches)
Weight1.2 kg (2.65 Pounds)
Width13.5 cm (5.31 Inches)

8. Everbuild

285 ml, Everbuild Everflex 115 Contract GP General Purpose Building Mastic, Grey

Everbuild - Overpaintable. Typically used to seal composite sectional panels and low movement vertical building joints. Semi drying - remains permanently plastic beneath surface skin. Perimeter pointing internally and externally around doors and windows with good external weathering properties. 115 gp build Mastic. High solids formulation - excellent gap filling proper- ties. Adheres to concrete, brick, wood, metals and glass without the use of a primer.
Height23 cm (9.06 Inches)
Length4.9 cm (1.93 Inches)
Weight0.6 kg (1.32 Pounds)
Width4.9 cm (1.93 Inches)

9. Everbuild

White, Everbuild Caulk Once Premium Quality Acrylic Caulk, 295 ml

Everbuild - No-sagging: provides a permanently flexible, sump resistant seal. Trusted by the trade: trusted product that has been tried & tested by leading tradespeople on the most demanding of projects.

Filler: can be used to fill damaged plaster. Quick curing time: rapid tack time of 15 minutes which can be overpainted after 1 hour. Two in one filler and sealant: Superior permanently flexible and slump resistant properties have been specifically designed to provide excellent gap filling and sealant functions. High performing caulk: using an advanced high quality polymer, Caulk Once offers superior adhesion and low shrink properties that outperforms other decorating caulks and fillers.
ManufacturerSika Everbuild
Height23 cm (9.06 Inches)
Length5 cm (1.97 Inches)
Weight0.53 kg (1.18 Pounds)
Width5 cm (1.97 Inches)

10. Parasilico


Parasilico - Can be used *internally & externally *please note: doesn't contain a fungicide. Has a high resistance to ageing, weather conditions, UV and chemical products. Neutral oxime curing, 1-component silicone sealant RTV-1. Very easy to apply. Excellent adhesion to almost all building materials, permanent elasticity.
ManufacturerDL Chemicals
Height23 cm (9.06 Inches)
Length4.9 cm (1.93 Inches)
Weight0.37 kg (0.82 Pounds)
Width4.9 cm (1.93 Inches)
Part Number0100001N115466