Best Interior Window Frame Silicone Sealant White of 2026

Last updated on 11/01/2026
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Most Relevant
Most Relevant
Best Choice
1
BONDIFY Waterproof Window Frame Sealant White 500g x 3PCs, 100% SOLVENT-FREE Paintable Silicone Sealant Acrylic, White Mastic for Filling Cracks and Gaps, Bathroom, Kitchen and Door, UPVC use

BONDIFY Waterproof Window Frame Sealant White 500g x 3PCs, 100% SOLVENT-FREE Paintable Silicone Sealant Acrylic, White Mastic for Filling Cracks and Gaps, Bathroom, Kitchen and Door, UPVC use

BONDIFY
Why we love it
  • Flexible and paintable finish.
  • Non-toxic and no odor.
  • Ideal for interior use.
Main Highlights
  • BONDIFY SILICONISED SEALANT (WHITE - 3PCs) : BONDIFY paintable sealant is a general purpose, water based sealant for caulking, sealing and decoration uses in waterproofing, gap filling, wood frame joints, doors & windows sash, drywall, plaster, marble, tile & brick works, painters sealant for interior works.
  • KEY FEATURES : Its siliconized structure, makes it possible to handle movement up to 15%. Water based, Mildew resistant, Non-toxic No Odour. Very low VOC content. Over Paintable. Environmental friendly, easily clean up with water.
  • APPLICATION AREAS -1 : Sealing of low movement joints between various construction materials(wood, concrete, brick etc.) It’s ideal for sealing and filling gaps, cracks, and joints around windows, frames, doors, baseboards, drywall, plaster, woodwork, moldings, and trim.
  • APPLICATION AREAS-2 : Used in areas that are not in direct contact with water, like along the edges of countertop, backsplash, toilet seat, bathroom floor wall joint.
  • STANDS OUT : BONDIFY Siliconized Sealant provides a flexible, paintable finish and is often applied to areas that require a durable, weather-resistant, and moisture-resistant seal.
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9.8
Exceptional
9.8
Exceptional
BONDIFY

BONDIFY Waterproof Window Frame Sealant White 500g x 3PCs, 100% SOLVENT-FREE Paintable Silicone Sealant Acrylic, White Mastic for Filling Cracks and Gaps, Bathroom, Kitchen and Door, UPVC use

Why we love it
  • Flexible and paintable finish.
  • Non-toxic and no odor.
  • Ideal for interior use.
Main Highlights
  • BONDIFY SILICONISED SEALANT (WHITE - 3PCs) : BONDIFY paintable sealant is a general purpose, water based sealant for caulking, sealing and decoration uses in waterproofing, gap filling, wood frame joints, doors & windows sash, drywall, plaster, marble, tile & brick works, painters sealant for interior works.
  • KEY FEATURES : Its siliconized structure, makes it possible to handle movement up to 15%. Water based, Mildew resistant, Non-toxic No Odour. Very low VOC content. Over Paintable. Environmental friendly, easily clean up with water.
  • APPLICATION AREAS -1 : Sealing of low movement joints between various construction materials(wood, concrete, brick etc.) It’s ideal for sealing and filling gaps, cracks, and joints around windows, frames, doors, baseboards, drywall, plaster, woodwork, moldings, and trim.
  • APPLICATION AREAS-2 : Used in areas that are not in direct contact with water, like along the edges of countertop, backsplash, toilet seat, bathroom floor wall joint.
  • STANDS OUT : BONDIFY Siliconized Sealant provides a flexible, paintable finish and is often applied to areas that require a durable, weather-resistant, and moisture-resistant seal.
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Value for Money
2
UniBond 2078170 Outdoor Window and Door Frame Sealant, White Outdoor Sealant, Durable Weatherproof Door and Window Sealant, Cartridge

UniBond 2078170 Outdoor Window and Door Frame Sealant, White Outdoor Sealant, Durable Weatherproof Door and Window Sealant, Cartridge

Unibond
19% Off
Why we love it
  • Permanently flexible and durable.
  • Multi-material application usability.
  • 25-year guarantee assurance.
Main Highlights
  • Permanently flexible – Our Unibond waterproof sealant Provides a durable flexible perimeter seal for exterior window and door frames, protecting you from the elements
  • Multi materials – This durable adhesive sealant can be used on various materials such as wood, uPVC, polycarbonate, and metal - suitable for most window and door frames
  • Flexible and waterproof – As well as providing strong and flexible sealing, this window frame sealant is also waterproof, so it can stand up to harsh weather conditions
  • Long lasting – as long as you follow the instructions for use, this exterior sealant will stand the test of time, giving you peace of mind when doing outdoor sealing jobs
  • Package contents – UniBond Outdoor Window and Door Frame Sealant, weather-resistant silicone sealant, flexible and long-lasting waterproof sealant, white, Cartridge
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9.7
Exceptional
9.7
Exceptional
Unibond

UniBond 2078170 Outdoor Window and Door Frame Sealant, White Outdoor Sealant, Durable Weatherproof Door and Window Sealant, Cartridge

19% Off
Why we love it
  • Permanently flexible and durable.
  • Multi-material application usability.
  • 25-year guarantee assurance.
Main Highlights
  • Permanently flexible – Our Unibond waterproof sealant Provides a durable flexible perimeter seal for exterior window and door frames, protecting you from the elements
  • Multi materials – This durable adhesive sealant can be used on various materials such as wood, uPVC, polycarbonate, and metal - suitable for most window and door frames
  • Flexible and waterproof – As well as providing strong and flexible sealing, this window frame sealant is also waterproof, so it can stand up to harsh weather conditions
  • Long lasting – as long as you follow the instructions for use, this exterior sealant will stand the test of time, giving you peace of mind when doing outdoor sealing jobs
  • Package contents – UniBond Outdoor Window and Door Frame Sealant, weather-resistant silicone sealant, flexible and long-lasting waterproof sealant, white, Cartridge
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3
EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: White, Size: 290ml

EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: White, Size: 290ml

EVO-STIK
12% Off
Why we love it
  • Permanently flexible for 25 years.
  • Excellent weatherproofing abilities.
  • Suitable for interior and exterior.
Main Highlights
  • Low modulus, neutral cure silicone sealant, For use in properly designed high movement joints, especially around door and window frames
  • Results: Permanently flexible seal, High movement accommodation, Excellent weatherproofing abilities, Dries in approx. 10-20 minutes
  • Suitable for all types of frames including aluminium, hardwood and uPVC, For interior and exterior use
  • Bonds to most building surfaces without a primer, Robust seal – Lasts up to 25 years
  • Contents: 1x EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: White, Size: 290ml
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9.6
Superb
9.6
Superb
EVO-STIK

EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: White, Size: 290ml

12% Off
Why we love it
  • Permanently flexible for 25 years.
  • Excellent weatherproofing abilities.
  • Suitable for interior and exterior.
Main Highlights
  • Low modulus, neutral cure silicone sealant, For use in properly designed high movement joints, especially around door and window frames
  • Results: Permanently flexible seal, High movement accommodation, Excellent weatherproofing abilities, Dries in approx. 10-20 minutes
  • Suitable for all types of frames including aluminium, hardwood and uPVC, For interior and exterior use
  • Bonds to most building surfaces without a primer, Robust seal – Lasts up to 25 years
  • Contents: 1x EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: White, Size: 290ml
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4
EVO-STIK Window & Door Frame Sealant White - 290ml - Waterproof - Flexible - Overpaintable - Lasts up to 15 Years

EVO-STIK Window & Door Frame Sealant White - 290ml - Waterproof - Flexible - Overpaintable - Lasts up to 15 Years

EVO-STIK
Why we love it
  • Weatherproof and reliable protection.
  • Excellent adhesion to surfaces.
  • Mould-resistant and overpaintable.
Main Highlights
  • EVO-STIK Window & Door Frame Sealant, Filled acrylic emulsion paste ideal for sealing around door and window frames
  • Weatherproof: prevents damage caused by penetration of water and keeps out draughts
  • Excellent adhesion to most materials including wood, uPVC and metal, For interior and exterior use
  • Lasts up to 15 years, Contains fungicide to combat unsightly mould growth, Overpaintable when dry
  • Contents: 1x EVO-STIK Window & Door Frame Sealant, Waterproof, Mould-Resistant, Flexible, Overpaintable, Colour: White, Size: 290ml
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9.5
Superb
9.5
Superb
EVO-STIK

EVO-STIK Window & Door Frame Sealant White - 290ml - Waterproof - Flexible - Overpaintable - Lasts up to 15 Years

Why we love it
  • Weatherproof and reliable protection.
  • Excellent adhesion to surfaces.
  • Mould-resistant and overpaintable.
Main Highlights
  • EVO-STIK Window & Door Frame Sealant, Filled acrylic emulsion paste ideal for sealing around door and window frames
  • Weatherproof: prevents damage caused by penetration of water and keeps out draughts
  • Excellent adhesion to most materials including wood, uPVC and metal, For interior and exterior use
  • Lasts up to 15 years, Contains fungicide to combat unsightly mould growth, Overpaintable when dry
  • Contents: 1x EVO-STIK Window & Door Frame Sealant, Waterproof, Mould-Resistant, Flexible, Overpaintable, Colour: White, Size: 290ml
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5
Dryzone Anti-Mould Silicone Sealant White, Waterproof Premium Sanitary-Grade, Low VOC Sealant for Bathroom and Kitchen

Dryzone Anti-Mould Silicone Sealant White, Waterproof Premium Sanitary-Grade, Low VOC Sealant for Bathroom and Kitchen

Dryzone
Why we love it
  • Premium sanitary-grade silicone sealant.
  • Long-lasting mold resistance.
  • Fast curing and easy application.
Main Highlights
  • High Quality – Premium Sanitary-Grade Silicone Sealant with excellent adhesion to a wide range of substrates. Designed to provide long-lasting seals in humid areas and environments with persistent condensation such as Bathrooms or Kitchens.
  • Anti-Mould Silicone Sealant - Long-lasting resistance to Mould growth and Staining, maintaining Effective in a wide range of temperatures and humidity levels.
  • Strong, Long-Lasting Waterproof Sealant– The High Silicone content ensures that it will remain durable and retain flexibility in a large range of temperatures and humidity values.
  • Fast curing, Easy to apply - Touch dry in 20 minutes giving you just enough time to apply the product, full cure > 24 hours. Formulated for easy application to a wide range of substrates, enough to cover One bath, two showers and two sinks.
  • Low VOC, Low Odour – Better for the environment and Improved air quality due to its low VOC content whilst also producing less odour with its Alkoxy curing system.
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9.4
Superb
9.4
Superb
Dryzone

Dryzone Anti-Mould Silicone Sealant White, Waterproof Premium Sanitary-Grade, Low VOC Sealant for Bathroom and Kitchen

Why we love it
  • Premium sanitary-grade silicone sealant.
  • Long-lasting mold resistance.
  • Fast curing and easy application.
Main Highlights
  • High Quality – Premium Sanitary-Grade Silicone Sealant with excellent adhesion to a wide range of substrates. Designed to provide long-lasting seals in humid areas and environments with persistent condensation such as Bathrooms or Kitchens.
  • Anti-Mould Silicone Sealant - Long-lasting resistance to Mould growth and Staining, maintaining Effective in a wide range of temperatures and humidity levels.
  • Strong, Long-Lasting Waterproof Sealant– The High Silicone content ensures that it will remain durable and retain flexibility in a large range of temperatures and humidity values.
  • Fast curing, Easy to apply - Touch dry in 20 minutes giving you just enough time to apply the product, full cure > 24 hours. Formulated for easy application to a wide range of substrates, enough to cover One bath, two showers and two sinks.
  • Low VOC, Low Odour – Better for the environment and Improved air quality due to its low VOC content whilst also producing less odour with its Alkoxy curing system.
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6
EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: Clear, Size: 290ml

EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: Clear, Size: 290ml

EVO-STIK
4% Off
Why we love it
  • Dries in 10-20 minutes.
  • Permanently flexible seal.
  • Lasts up to 25 years.
Main Highlights
  • Low modulus, neutral cure silicone sealant, For use in properly designed high movement joints, especially around door and window frames
  • Results: Permanently flexible seal, High movement accommodation, Excellent weatherproofing abilities, Dries in approx. 10-20 minutes
  • Suitable for all types of frames including aluminium, hardwood and uPVC, For interior and exterior use
  • Bonds to most building surfaces without a primer, Robust seal – Lasts up to 25 years
  • Contents: 1x EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: Clear, Size: 290ml
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9.3
Superb
9.3
Superb
EVO-STIK

EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: Clear, Size: 290ml

4% Off
Why we love it
  • Dries in 10-20 minutes.
  • Permanently flexible seal.
  • Lasts up to 25 years.
Main Highlights
  • Low modulus, neutral cure silicone sealant, For use in properly designed high movement joints, especially around door and window frames
  • Results: Permanently flexible seal, High movement accommodation, Excellent weatherproofing abilities, Dries in approx. 10-20 minutes
  • Suitable for all types of frames including aluminium, hardwood and uPVC, For interior and exterior use
  • Bonds to most building surfaces without a primer, Robust seal – Lasts up to 25 years
  • Contents: 1x EVO-STIK Frame Silicone Sealant, Ideal for Door and Window Frames, Highly Waterproof, Permanently Flexible, Lasts up to 25 Years, Colour: Clear, Size: 290ml
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7
Silicone Sealant – Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE, 120g)

Silicone Sealant – Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE, 120g)

ADVANCEDSIL
Why we love it
  • Brilliant white finish enhances aesthetics.
  • Waterproof design protects against mildew.
  • Smooth application for professional results.
Main Highlights
  • ✅ Brilliant White Finish – Provides a clean, modern seal for kitchen and bathroom joints
  • ✅ Crystal Clear Finish – Perfect for invisible, seamless seals on any surface
  • 💧 Waterproof & Mould-Resistant – Long-lasting protection against leaks and mildew
  • 🛠️ Smooth Application – Finishing tool included for a neat, professional result
  • 🏠 Versatile Use – Great for glass, tiles, ceramics, and kitchen/bathroom fixtures
  • 📦 120g Tube – Compact and easy to store for regular maintenance or repairs
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9.1
Superb
9.1
Superb
ADVANCEDSIL

Silicone Sealant – Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE, 120g)

Why we love it
  • Brilliant white finish enhances aesthetics.
  • Waterproof design protects against mildew.
  • Smooth application for professional results.
Main Highlights
  • ✅ Brilliant White Finish – Provides a clean, modern seal for kitchen and bathroom joints
  • ✅ Crystal Clear Finish – Perfect for invisible, seamless seals on any surface
  • 💧 Waterproof & Mould-Resistant – Long-lasting protection against leaks and mildew
  • 🛠️ Smooth Application – Finishing tool included for a neat, professional result
  • 🏠 Versatile Use – Great for glass, tiles, ceramics, and kitchen/bathroom fixtures
  • 📦 120g Tube – Compact and easy to store for regular maintenance or repairs
Show More
8
EVO-STIK Building Silicone Sealant White - 290ml - Waterproof - High Movement Accommodation - Interior and Exterior Use - Lasts up to 25 Years

EVO-STIK Building Silicone Sealant White - 290ml - Waterproof - High Movement Accommodation - Interior and Exterior Use - Lasts up to 25 Years

EVO-STIK
Why we love it
  • Long-lasting durability up to 25 years.
  • Versatile for interior and exterior use.
  • Ideal for various building substrates.
Main Highlights
  • Lasts up to 25 years: One part, low modulus, neutral cure sealant
  • For interior and exterior use: Waterproof, Excellent resistance to natural weathering and UV light, High movement accomodation
  • Suitable uses: Seals expansion joints in concrete structures, movement joints between cladding panels, profiled sheeting, window and door frames
  • Suitable materials: Most common building substrates, including porous surfaces
  • Contents: 1x EVO-STIK Building Silicone Sealant, Waterproof, High Movement Accommodation, Interior and Exterior Use, Lasts up to 25 Years, Colour: White, Size: 290ml
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8.9
Excellent
8.9
Excellent
EVO-STIK

EVO-STIK Building Silicone Sealant White - 290ml - Waterproof - High Movement Accommodation - Interior and Exterior Use - Lasts up to 25 Years

Why we love it
  • Long-lasting durability up to 25 years.
  • Versatile for interior and exterior use.
  • Ideal for various building substrates.
Main Highlights
  • Lasts up to 25 years: One part, low modulus, neutral cure sealant
  • For interior and exterior use: Waterproof, Excellent resistance to natural weathering and UV light, High movement accomodation
  • Suitable uses: Seals expansion joints in concrete structures, movement joints between cladding panels, profiled sheeting, window and door frames
  • Suitable materials: Most common building substrates, including porous surfaces
  • Contents: 1x EVO-STIK Building Silicone Sealant, Waterproof, High Movement Accommodation, Interior and Exterior Use, Lasts up to 25 Years, Colour: White, Size: 290ml
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9
UniBond Indoor Window & Door Frame Sealant, White Acrylic Sealant, Paintable from 1 Hour, 1 x 467g Cartridge

UniBond Indoor Window & Door Frame Sealant, White Acrylic Sealant, Paintable from 1 Hour, 1 x 467g Cartridge

Unibond
Why we love it
  • Mould resistant for longevity.
  • Flexible and adheres well.
  • 5-year guarantee included.
Main Highlights
  • Water-based paintable sealant that is suitable for many sealing tasks around your home
  • Flexible and adheres to most building materials
  • Suitable for interiors use skirting boards, dado rails, coving, worktops and wooden rails
  • Mould resistant
  • 5 year guarantee (provided good working practices are followed)
  • Note Not suitable for Exterior, Wet Areas, uPVC Windows, Bedding Components, Bathrooms
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8.9
Excellent
8.9
Excellent
Unibond

UniBond Indoor Window & Door Frame Sealant, White Acrylic Sealant, Paintable from 1 Hour, 1 x 467g Cartridge

Why we love it
  • Mould resistant for longevity.
  • Flexible and adheres well.
  • 5-year guarantee included.
Main Highlights
  • Water-based paintable sealant that is suitable for many sealing tasks around your home
  • Flexible and adheres to most building materials
  • Suitable for interiors use skirting boards, dado rails, coving, worktops and wooden rails
  • Mould resistant
  • 5 year guarantee (provided good working practices are followed)
  • Note Not suitable for Exterior, Wet Areas, uPVC Windows, Bedding Components, Bathrooms
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10
Everbuild External Frame Sealant – Interior And Exterior Use – Permanently Flexible – Mould-Resistant – White – 290ml

Everbuild External Frame Sealant – Interior And Exterior Use – Permanently Flexible – Mould-Resistant – White – 290ml

Everbuild
Why we love it
  • Suitable for any surface.
  • Easy to apply.
  • Multiple color options.
Main Highlights
  • DESIGNED FOR INTERIOR AND EXTERIOR USE – Use to complete internal and external sealing around timber and metal window and door frames, plus the internal sealing of PVCu windows and doors.
  • LONG-LASTING – A no-slump formula that remains permanently flexible and has mould-resistant components for a long-lasting seal.
  • ALSO SUITABLE FOR SEALING CRACKS AND GAPS – An acrylic-based sealant that you can use for sealing cracks and gaps in brickwork, stone and concrete.
  • OVERPAINTABLE – Apply this ready-to-use thixotropic paste to most surfaces and paint over it for a seamless finish, overpainting is recommended externally to prolong the working life of the product.
  • EASY TO APPLY – Simply insert the cartridge into a sealant application gun, such as the Everbuild Power Pro Heavy Duty Sealant Gun, snip the tip and go.
  • MULTIPLE COLOURS – Available in grey, white, brown and stone to enable the best colour match for the area of application.
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8.9
Excellent
8.9
Excellent
Everbuild

Everbuild External Frame Sealant – Interior And Exterior Use – Permanently Flexible – Mould-Resistant – White – 290ml

Why we love it
  • Suitable for any surface.
  • Easy to apply.
  • Multiple color options.
Main Highlights
  • DESIGNED FOR INTERIOR AND EXTERIOR USE – Use to complete internal and external sealing around timber and metal window and door frames, plus the internal sealing of PVCu windows and doors.
  • LONG-LASTING – A no-slump formula that remains permanently flexible and has mould-resistant components for a long-lasting seal.
  • ALSO SUITABLE FOR SEALING CRACKS AND GAPS – An acrylic-based sealant that you can use for sealing cracks and gaps in brickwork, stone and concrete.
  • OVERPAINTABLE – Apply this ready-to-use thixotropic paste to most surfaces and paint over it for a seamless finish, overpainting is recommended externally to prolong the working life of the product.
  • EASY TO APPLY – Simply insert the cartridge into a sealant application gun, such as the Everbuild Power Pro Heavy Duty Sealant Gun, snip the tip and go.
  • MULTIPLE COLOURS – Available in grey, white, brown and stone to enable the best colour match for the area of application.
Show More