10 Best Outdoor Grouts in 2023 [Waterproof Protection]


Outdoor grouts are a type of cement-based material used to fill the gaps between tiles and other masonry materials. They are designed to be highly durable and resistant to water, UV rays, and extreme temperatures.

Best Overall
1
4.9
UniBond Ultra Force Wall Tile Grout

UniBond Ultra Force Wall Tile Grout

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  • Ultra Force technology - This white grout is suitable for use in every room and has been made with our Ultra Force technology to ensure long-lasting results
  • Triple Protect - The white tile grout has integrated technology that repels and protects against mould formation to keep your results looking fresh and professional
  • Waterproof - Thanks to its waterproof nature the high-quality product has universal applicability and is suitable as both a kitchen grout and a bathroom grout
  • Multiple tile types - The quick grout is easy to apply and works with ceramic, porcelain and mosaic tiles to create professional results. The grout will cure in 24 hours
  • Package contents - Unibond Ultra Force Wall Tile Grout, water-resistant tile grout white for use with standard cartridge gun for application. Ready to apply. 0.28L / 460g cartridge
Best Runner-Up
2
4.8
Mapei Ultracolor Plus Grout 113

Mapei Ultracolor Plus Grout 113

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  • Colour: cement grey
  • Brand: Mapei
  • Length: 32299
  • Material: high-impact hard PVC
Best with Ultra Force technology
3
4.7
Unibond 2643632 UniBond Ultra Force Wall Tile Grout

Unibond 2643632 UniBond Ultra Force Wall Tile Grout

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  • Ultra Force technology - This white tile grout is suitable for use in every room and has been made with our Ultra Force technology to ensure long-lasting results
  • Triple Protect - The Unibond grout white has integrated technology that repels and protects against mould formation to keep your results looking fresh and professional
  • Waterproof - Thanks to its waterproof nature the high quality product has universal applicability and is suitable as both a kitchen grout and a bathroom grout
  • Multiple tile types - The white grout can be used to grout ceramic, porcelain and mosaic tiles to create professional results which will stand the test of time
  • Package contents - Unibond Ultra Force Wall Tile Grout, water-resistant tile grout for universal application. Ready to apply. Tile grout white, 0.388L / 1.38kg tub
Best from Sika
4
4.6
SIKA Everbuild FWREVIVE Forever

SIKA Everbuild FWREVIVE Forever

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  • AREAS OF USE: Suitable for use on kitchen and bathroom walls, shower areas including power showers, wet rooms and more
  • MOULD SHEILD: Contains Mould Shield a anti-bacterial solution, integrated into the manufacturing process to prevent mould, mildew and bacterial growth for up to 10 years
  • NAMMAS ACCREDITED: Independently tested and certified by a NAMMAS accredited microbiological laboratory to show no mould growth after more than 10 years simulated ageing
  • SIMPLE TO APPLY: Apply straight from the tube with the built in easy to use sponge applicator
  • RESULT: Dries to a water resistant brilliant white finish
Best Under-Budget
5
4.5
Mosaic Heaven Mosaic Grout

Mosaic Heaven Mosaic Grout

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Best in terms of Quality
6
4.4
EVO-STIK Floor Tile Grout

EVO-STIK Floor Tile Grout

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  • High quality, flexible, rapid setting cement based tile grout suitable for interior and exterior use, Can be used on grout joints up to 12mm wide
  • Suitable for all types of tiles on wood and concrete floors
  • Waterproof and frost resistant formulation can be used with most domestic underfloor heating systems and in sites with continuous immersion, such as swimming pools and power showers
  • Sets in just 3 hours, making it ideal for use in kitchens, bathrooms and areas where quick setting is essential
  • Contents: 1x EVO-STIK Fast Set Floor Tile Grout for Wood and Concrete Floors, Colour: Grey, 5kg
Easy to Use
7
4.3
Mapei 120 UltraColor Plus Black Grout 2kg

Mapei 120 UltraColor Plus Black Grout 2kg

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  • Internal Grout
  • External Grout
  • Bathrooms
  • Kitchen
Easy to Apply
8
4.2
EasyGrout Dark Grey Porcelain Paving Grout

EasyGrout Dark Grey Porcelain Paving Grout

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  • Available in 3 colours to suit most paving.
  • EasyGrout comes in a 15 Kg tub with 3 x 5 Kg bags for more economic use.
  • EasyGrout, the quick and easy way to get beautifully grouted porcelain or ceramic tiles.
  • Suitable for tiles both inside and out this easy to mix slurry is ideal for areas where a high resilience and early strength is required
  • It is suitable for joints from 5mm - 25mm and a minimum depth of 20mm.
Highly Recommend
9
4.1
Mapei 114 UltraColor Plus Anthracite Grout 2kg

Mapei 114 UltraColor Plus Anthracite Grout 2kg

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  • Mapei 114 UltraColor Plus Anthracite Grout 2kg
Cheapest Option
10
4
Bond-It Brilliant White Fix

Bond-It Brilliant White Fix

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  • A premium grade fungal resistant brilliant white waterproof ceramic tile adhesive and grout
  • conforming to EN 12004:2007 Type D, Class 2
  • Designed to permanently fix and grout ceramic wall tiles
  • kitchens, bathrooms, toilets,Wet Rooms and showers.

She has contributed to Perseus Promos, Hazlitt, Rolling Stone, New Republic, Atlantic, GQ, Racked, VICE and The New Inquiry.

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