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Water sealant

273 products
Hard surface moss killers
Interior and exterior wall sealer
Block paving sealer
Roof sealants
Porcelain Sealer - One-coat, easy application, stain & scratch resistant, 100% breathable - 2 x 1 Litre (1/5)Porcelain Sealer - One-coat, easy application, stain & scratch resistant, 100% breathable - 2 x 1 Litre (2/5)Porcelain Sealer - One-coat, easy application, stain & scratch resistant, 100% breathable - 2 x 1 Litre (3/5)Porcelain Sealer - One-coat, easy application, stain & scratch resistant, 100% breathable - 2 x 1 Litre (4/5)Porcelain Sealer - One-coat, easy application, stain & scratch resistant, 100% breathable - 2 x 1 Litre (5/5)
5 options

Porcelain Sealer - One-coat, easy application, stain & scratch resistant, 100% breathable - 2 x 1 Litre

Free shipping
Ronseal One Coat Damp Seal White 250Ml (1/4)Ronseal One Coat Damp Seal White 250Ml (2/4)Ronseal One Coat Damp Seal White 250Ml (3/4)Ronseal One Coat Damp Seal White 250Ml (4/4)
RONSEAL
3 options
#1 in sales

Ronseal One Coat Damp Seal White 250Ml

3
Free shipping
Dryzone DPC Injection Cream 310ml - Rising Damp Treatment (1/2)Dryzone DPC Injection Cream 310ml - Rising Damp Treatment (2/2)
3 options

Dryzone DPC Injection Cream 310ml - Rising Damp Treatment

(£62.90/l)
Free shipping
Ronseal 3 In 1 Mould Killer Trigger Spray 500mlRONSEAL
2 options

Ronseal 3 In 1 Mould Killer Trigger Spray 500ml

1
Free shipping
Polycell Damp Seal Paint - 500ml Waterproof Sealant for Damp and Moisture Protection (1/5)Polycell Damp Seal Paint - 500ml Waterproof Sealant for Damp and Moisture Protection (2/5)Polycell Damp Seal Paint - 500ml Waterproof Sealant for Damp and Moisture Protection (3/5)Polycell Damp Seal Paint - 500ml Waterproof Sealant for Damp and Moisture Protection (4/5)Polycell Damp Seal Paint - 500ml Waterproof Sealant for Damp and Moisture Protection (5/5)
POLYCELL
4 options

Polycell Damp Seal Paint - 500ml Waterproof Sealant for Damp and Moisture Protection

4
Free shipping
Ronseal Thompson's One Coat Water Seal 1 Litre (1/5)Ronseal Thompson's One Coat Water Seal 1 Litre (2/5)Ronseal Thompson's One Coat Water Seal 1 Litre (3/5)Ronseal Thompson's One Coat Water Seal 1 Litre (4/5)Ronseal Thompson's One Coat Water Seal 1 Litre (5/5)
RONSEAL
9 options

Ronseal Thompson's One Coat Water Seal 1 Litre

2
Free shipping
Everbuild BLOCKGUARD5 409 Block Guard 5 litre EVBBGUARD5EVERBUILD

Everbuild BLOCKGUARD5 409 Block Guard 5 litre EVBBGUARD5

£93.62
Free shipping
Everbuild RBORIGNAT5 Resiblock Superior Original Natural 5 litre EVBRBON5L (1/2)Everbuild RBORIGNAT5 Resiblock Superior Original Natural 5 litre EVBRBON5L (2/2)
EVERBUILD
2 options

Everbuild RBORIGNAT5 Resiblock Superior Original Natural 5 litre EVBRBON5L

Free shipping
Spray and Leave Patio Cleaner 5L Concentrate Moss Killer Algae Remover for Driveway Decking Block Paving & Roof (1/5)Spray and Leave Patio Cleaner 5L Concentrate Moss Killer Algae Remover for Driveway Decking Block Paving & Roof (2/5)Spray and Leave Patio Cleaner 5L Concentrate Moss Killer Algae Remover for Driveway Decking Block Paving & Roof (3/5)Spray and Leave Patio Cleaner 5L Concentrate Moss Killer Algae Remover for Driveway Decking Block Paving & Roof (4/5)Spray and Leave Patio Cleaner 5L Concentrate Moss Killer Algae Remover for Driveway Decking Block Paving & Roof (5/5)
GARDEN MILE

Spray and Leave Patio Cleaner 5L Concentrate Moss Killer Algae Remover for Driveway Decking Block Paving & Roof

£29.99
Free shipping
Solvent-Free Block Paving Sealer / Weed Inhibitor - 2 x 5 Litre (1/4)Solvent-Free Block Paving Sealer / Weed Inhibitor - 2 x 5 Litre (2/4)Solvent-Free Block Paving Sealer / Weed Inhibitor - 2 x 5 Litre (3/4)Solvent-Free Block Paving Sealer / Weed Inhibitor - 2 x 5 Litre (4/4)
5 options

Solvent-Free Block Paving Sealer / Weed Inhibitor - 2 x 5 Litre

2
Free shipping
Dryrod Damp Proofing Rods 30 Pack (1/3)Dryrod Damp Proofing Rods 30 Pack (2/3)Dryrod Damp Proofing Rods 30 Pack (3/3)
3 options
#1 in sales

Dryrod Damp Proofing Rods 30 Pack

Free shipping
Everbuild 404 Fungicidal Decking Drive Wall Moss Algae Mould Remover- 5 Litres (1/5)Everbuild 404 Fungicidal Decking Drive Wall Moss Algae Mould Remover- 5 Litres (2/5)Everbuild 404 Fungicidal Decking Drive Wall Moss Algae Mould Remover- 5 Litres (3/5)Everbuild 404 Fungicidal Decking Drive Wall Moss Algae Mould Remover- 5 Litres (4/5)Everbuild 404 Fungicidal Decking Drive Wall Moss Algae Mould Remover- 5 Litres (5/5)
EVERBUILD

Everbuild 404 Fungicidal Decking Drive Wall Moss Algae Mould Remover- 5 Litres

Free shipping
Drybase BBA Tanking Slurry 25kg - Waterproofing Cement (1/3)Drybase BBA Tanking Slurry 25kg - Waterproofing Cement (2/3)Drybase BBA Tanking Slurry 25kg - Waterproofing Cement (3/3)
3 options

Drybase BBA Tanking Slurry 25kg - Waterproofing Cement

Free shipping
Green Clear - Pro - 2x5L (1/5)Green Clear - Pro - 2x5L (2/5)Green Clear - Pro - 2x5L (3/5)Green Clear - Pro - 2x5L (4/5)Green Clear - Pro - 2x5L (5/5)
4 options

Green Clear - Pro - 2x5L

2
Free shipping
Roxil 100 Green Mould, Algae & Lichen Remover 500ml (1/3)Roxil 100 Green Mould, Algae & Lichen Remover 500ml (2/3)Roxil 100 Green Mould, Algae & Lichen Remover 500ml (3/3)
3 options

Roxil 100 Green Mould, Algae & Lichen Remover 500ml

(£25.98/l)
Free shipping
Black Limestone Sealer - 1 Litre (1/5)Black Limestone Sealer - 1 Litre (2/5)Black Limestone Sealer - 1 Litre (3/5)Black Limestone Sealer - 1 Litre (4/5)Black Limestone Sealer - 1 Litre (5/5)
6 options
#1 in sales

Black Limestone Sealer - 1 Litre

13
Free shipping
Zinsser Watertite Paint Very Low Odour Prevents The Growth Of Mould - 5 LitresZINSSER

Zinsser Watertite Paint Very Low Odour Prevents The Growth Of Mould - 5 Litres

5
£132.40
Drybase TS-Plus Tanking Slurry 20kg & 5-Bar Waterpoofer 4 Litres (1/3)Drybase TS-Plus Tanking Slurry 20kg & 5-Bar Waterpoofer 4 Litres (2/3)Drybase TS-Plus Tanking Slurry 20kg & 5-Bar Waterpoofer 4 Litres (3/3)

Drybase TS-Plus Tanking Slurry 20kg & 5-Bar Waterpoofer 4 Litres

Free shipping
Everbuild Sika 403 Concrete Hardener & Dustproofer 5 litre (1/5)Everbuild Sika 403 Concrete Hardener & Dustproofer 5 litre (2/5)Everbuild Sika 403 Concrete Hardener & Dustproofer 5 litre (3/5)Everbuild Sika 403 Concrete Hardener & Dustproofer 5 litre (4/5)Everbuild Sika 403 Concrete Hardener & Dustproofer 5 litre (5/5)
EVERBUILD

Everbuild Sika 403 Concrete Hardener & Dustproofer 5 litre

4
Free shipping
Drybase TS-Plus Tanking Slurry 20kg x 5 Pack - Waterproof & Damp Proof (1/3)Drybase TS-Plus Tanking Slurry 20kg x 5 Pack - Waterproof & Damp Proof (2/3)Drybase TS-Plus Tanking Slurry 20kg x 5 Pack - Waterproof & Damp Proof (3/3)
4 options

Drybase TS-Plus Tanking Slurry 20kg x 5 Pack - Waterproof & Damp Proof

Free shipping
Ronseal 36623 6 Year Anti Mould Paint White Matt 750ml RSLAMPWM750 (1/2)Ronseal 36623 6 Year Anti Mould Paint White Matt 750ml RSLAMPWM750 (2/2)
RONSEAL
5 options

Ronseal 36623 6 Year Anti Mould Paint White Matt 750ml RSLAMPWM750

Free shipping
Everbuild Resiblock Paving Sealer 5L (1/2)Everbuild Resiblock Paving Sealer 5L (2/2)
EVERBUILD

Everbuild Resiblock Paving Sealer 5L

Free shipping
Everbuild Patio Wizard Concentrate 1 Litre (1/3)Everbuild Patio Wizard Concentrate 1 Litre (2/3)Everbuild Patio Wizard Concentrate 1 Litre (3/3)
EVERBUILD

Everbuild Patio Wizard Concentrate 1 Litre

Free shipping
Brick Sealer / Masonry Sealer - Solvent free - 100ml Sample (1/5)Brick Sealer / Masonry Sealer - Solvent free - 100ml Sample (2/5)Brick Sealer / Masonry Sealer - Solvent free - 100ml Sample (3/5)Brick Sealer / Masonry Sealer - Solvent free - 100ml Sample (4/5)Brick Sealer / Masonry Sealer - Solvent free - 100ml Sample (5/5)
6 options

Brick Sealer / Masonry Sealer - Solvent free - 100ml Sample

Free shipping
Everbuild Sika 880086 Path & Patio Sealer 5 litre EVB880086 (1/5)Everbuild Sika 880086 Path & Patio Sealer 5 litre EVB880086 (2/5)Everbuild Sika 880086 Path & Patio Sealer 5 litre EVB880086 (3/5)Everbuild Sika 880086 Path & Patio Sealer 5 litre EVB880086 (4/5)Everbuild Sika 880086 Path & Patio Sealer 5 litre EVB880086 (5/5)
SIKA

Everbuild Sika 880086 Path & Patio Sealer 5 litre EVB880086

£49.52
Free shipping
Everbuild Sika 202 Integral Liquid Waterproofer 5 litre (1/3)Everbuild Sika 202 Integral Liquid Waterproofer 5 litre (2/3)Everbuild Sika 202 Integral Liquid Waterproofer 5 litre (3/3)
EVERBUILD

Everbuild Sika 202 Integral Liquid Waterproofer 5 litre

Free shipping
Ronseal Advanced Patio & Block Paving Cleaner 5 litre (1/2)Ronseal Advanced Patio & Block Paving Cleaner 5 litre (2/2)
RONSEAL

Ronseal Advanced Patio & Block Paving Cleaner 5 litre

Free shipping
Everbuild Sika Resiblock Indian Sandstone Sealer Colour Enhancer 5 litre (1/5)Everbuild Sika Resiblock Indian Sandstone Sealer Colour Enhancer 5 litre (2/5)Everbuild Sika Resiblock Indian Sandstone Sealer Colour Enhancer 5 litre (3/5)Everbuild Sika Resiblock Indian Sandstone Sealer Colour Enhancer 5 litre (4/5)Everbuild Sika Resiblock Indian Sandstone Sealer Colour Enhancer 5 litre (5/5)
EVERBUILD

Everbuild Sika Resiblock Indian Sandstone Sealer Colour Enhancer 5 litre

Free shipping
Everbuild Sika Black Jack® 908 D.P.M. 5 litre (1/5)Everbuild Sika Black Jack® 908 D.P.M. 5 litre (2/5)Everbuild Sika Black Jack® 908 D.P.M. 5 litre (3/5)Everbuild Sika Black Jack® 908 D.P.M. 5 litre (4/5)Everbuild Sika Black Jack® 908 D.P.M. 5 litre (5/5)
EVERBUILD

Everbuild Sika Black Jack® 908 D.P.M. 5 litre

3
Free shipping
Ronseal Thompson's Water Seal 1 Litre (1/5)Ronseal Thompson's Water Seal 1 Litre (2/5)Ronseal Thompson's Water Seal 1 Litre (3/5)Ronseal Thompson's Water Seal 1 Litre (4/5)Ronseal Thompson's Water Seal 1 Litre (5/5)
RONSEAL
3 options

Ronseal Thompson's Water Seal 1 Litre

1
Free shipping
Crikey Mikey Damp Protection Sealer, Brick Wizard, 5L Cleaning Kit (1/5)Crikey Mikey Damp Protection Sealer, Brick Wizard, 5L Cleaning Kit (2/5)Crikey Mikey Damp Protection Sealer, Brick Wizard, 5L Cleaning Kit (3/5)Crikey Mikey Damp Protection Sealer, Brick Wizard, 5L Cleaning Kit (4/5)Crikey Mikey Damp Protection Sealer, Brick Wizard, 5L Cleaning Kit (5/5)
CRIKEY MIKEY

Crikey Mikey Damp Protection Sealer, Brick Wizard, 5L Cleaning Kit

Free shipping
Grout Sealer - 500ml (1/3)Grout Sealer - 500ml (2/3)Grout Sealer - 500ml (3/3)
#1 in sales

Grout Sealer - 500ml

Free shipping
Grout Magic - LIMESTONE - 237ml (1/5)Grout Magic - LIMESTONE - 237ml (2/5)Grout Magic - LIMESTONE - 237ml (3/5)Grout Magic - LIMESTONE - 237ml (4/5)Grout Magic - LIMESTONE - 237ml (5/5)
20 options

Grout Magic - LIMESTONE - 237ml

1
Free shipping
Premium Concrete Sealer - (Internal & External) - 1 Litre (1/5)Premium Concrete Sealer - (Internal & External) - 1 Litre (2/5)Premium Concrete Sealer - (Internal & External) - 1 Litre (3/5)Premium Concrete Sealer - (Internal & External) - 1 Litre (4/5)Premium Concrete Sealer - (Internal & External) - 1 Litre (5/5)
6 options

Premium Concrete Sealer - (Internal & External) - 1 Litre

Free shipping
Hotspot Brick & Stone Sealer 500ml Solvent-Based Sealer for Fireplace Brick and Natural Stone (1/2)Hotspot Brick & Stone Sealer 500ml Solvent-Based Sealer for Fireplace Brick and Natural Stone (2/2)

Hotspot Brick & Stone Sealer 500ml Solvent-Based Sealer for Fireplace Brick and Natural Stone

Free shipping
Dryzone Damp Proof & Damp Seal Paint White 1L
2 options

Dryzone Damp Proof & Damp Seal Paint White 1L

Free shipping
Raincheck Universal Waterseal and Sprayer 2 x 5L - Brick Sealer (1/2)Raincheck Universal Waterseal and Sprayer 2 x 5L - Brick Sealer (2/2)
2 options

Raincheck Universal Waterseal and Sprayer 2 x 5L - Brick Sealer

(£13.20/l)
Free shipping
Ronseal Quick Dry Damp Seal Aerosol White 400ml (1/3)Ronseal Quick Dry Damp Seal Aerosol White 400ml (2/3)Ronseal Quick Dry Damp Seal Aerosol White 400ml (3/3)
RONSEAL

Ronseal Quick Dry Damp Seal Aerosol White 400ml

Free shipping
Gorilla Glue 115402 Gorilla Waterproof Coat & Seal Clear 473ml GRGPSPCL473NGORILLA GLUE
3 options

Gorilla Glue 115402 Gorilla Waterproof Coat & Seal Clear 473ml GRGPSPCL473N

Free shipping
Stormdry Liquid Rubber Leak Sealer 500ml Black for Roof & Gutter (1/3)Stormdry Liquid Rubber Leak Sealer 500ml Black for Roof & Gutter (2/3)Stormdry Liquid Rubber Leak Sealer 500ml Black for Roof & Gutter (3/3)
STORMDRY

Stormdry Liquid Rubber Leak Sealer 500ml Black for Roof & Gutter

(£37.98/l)
Free shipping
Sandstone/Natural Stone Sealer - Wet Look - 5 Litre (1/2)Sandstone/Natural Stone Sealer - Wet Look - 5 Litre (2/2)
6 options

Sandstone/Natural Stone Sealer - Wet Look - 5 Litre

Free shipping
Rustins One Coat Damp Seal 250Ml - Fast Drying Paint (1/2)Rustins One Coat Damp Seal 250Ml - Fast Drying Paint (2/2)
RUSTINS
3 options
#1 in sales

Rustins One Coat Damp Seal 250Ml - Fast Drying Paint

1
Free shipping
Sandstone/Natural Stone Sealer - Dry Finish - 1 Litre (1/3)Sandstone/Natural Stone Sealer - Dry Finish - 1 Litre (2/3)Sandstone/Natural Stone Sealer - Dry Finish - 1 Litre (3/3)
6 options

Sandstone/Natural Stone Sealer - Dry Finish - 1 Litre

Free shipping
Dryrod Damp Proofing Rods 500 Pack - with 60m Coverage (1/3)Dryrod Damp Proofing Rods 500 Pack - with 60m Coverage (2/3)Dryrod Damp Proofing Rods 500 Pack - with 60m Coverage (3/3)
4 options

Dryrod Damp Proofing Rods 500 Pack - with 60m Coverage

Free shipping
Blackfriar Interior Seal Damp 250Ml (1/2)Blackfriar Interior Seal Damp 250Ml (2/2)
BLACKFRIAR
3 options

Blackfriar Interior Seal Damp 250Ml

Free shipping
Everbuild Sika Aquaseal Waterproof Tanking Membrane 5 litre EVBAQWPTM (1/5)Everbuild Sika Aquaseal Waterproof Tanking Membrane 5 litre EVBAQWPTM (2/5)Everbuild Sika Aquaseal Waterproof Tanking Membrane 5 litre EVBAQWPTM (3/5)Everbuild Sika Aquaseal Waterproof Tanking Membrane 5 litre EVBAQWPTM (4/5)Everbuild Sika Aquaseal Waterproof Tanking Membrane 5 litre EVBAQWPTM (5/5)
EVERBUILD

Everbuild Sika Aquaseal Waterproof Tanking Membrane 5 litre EVBAQWPTM

1
Free shipping
Deck Cleaner - 5 Litres (1/5)Deck Cleaner - 5 Litres (2/5)Deck Cleaner - 5 Litres (3/5)Deck Cleaner - 5 Litres (4/5)Deck Cleaner - 5 Litres (5/5)
4 options

Deck Cleaner - 5 Litres

1
Free shipping
2 x 5L Moss Remover Fast Acting With Long Hose TriggerSTORM TRADING GROUP
3 options
#1 in sales

2 x 5L Moss Remover Fast Acting With Long Hose Trigger

2
Free shipping
Dryzone DPC Injection Cream 600ml Packs and Gun x 5 Pack (1/2)Dryzone DPC Injection Cream 600ml Packs and Gun x 5 Pack (2/2)
2 options

Dryzone DPC Injection Cream 600ml Packs and Gun x 5 Pack

(£51.66/l)
Free shipping
Dryzone Anti-Mould Silicone Sealant Black 310ml x 4 Pack (1/3)Dryzone Anti-Mould Silicone Sealant Black 310ml x 4 Pack (2/3)Dryzone Anti-Mould Silicone Sealant Black 310ml x 4 Pack (3/3)
3 options

Dryzone Anti-Mould Silicone Sealant Black 310ml x 4 Pack

(£24.19/l)
Free shipping
Crikey Mikey Professional Outdoor Treatment 5L Top Up (1/5)Crikey Mikey Professional Outdoor Treatment 5L Top Up (2/5)Crikey Mikey Professional Outdoor Treatment 5L Top Up (3/5)Crikey Mikey Professional Outdoor Treatment 5L Top Up (4/5)Crikey Mikey Professional Outdoor Treatment 5L Top Up (5/5)
CRIKEY MIKEY
Black Friday

Crikey Mikey Professional Outdoor Treatment 5L Top Up

28
-2%
£44.99Lowest price 30d
Free shipping
Roxil Patio Sealer Cream 3L - Block Paving and Patio Seal

Roxil Patio Sealer Cream 3L - Block Paving and Patio Seal

(£12.33/l)
Free shipping
Dryzone Anti-Mould Silicone Sealant Anthracite Grey 310ml x 2 Pack (1/3)Dryzone Anti-Mould Silicone Sealant Anthracite Grey 310ml x 2 Pack (2/3)Dryzone Anti-Mould Silicone Sealant Anthracite Grey 310ml x 2 Pack (3/3)
3 options

Dryzone Anti-Mould Silicone Sealant Anthracite Grey 310ml x 2 Pack

(£29.02/l)
Free shipping
Dryzone Anti-Mould Silicone Sealant Clear 310ml x 2 (1/5)Dryzone Anti-Mould Silicone Sealant Clear 310ml x 2 (2/5)Dryzone Anti-Mould Silicone Sealant Clear 310ml x 2 (3/5)Dryzone Anti-Mould Silicone Sealant Clear 310ml x 2 (4/5)Dryzone Anti-Mould Silicone Sealant Clear 310ml x 2 (5/5)
3 options

Dryzone Anti-Mould Silicone Sealant Clear 310ml x 2

(£30.63/l)
Free shipping
Dryrod Damp Proofing Rods DPC Kit for 24 Linear Metres (9in Wall) (1/2)Dryrod Damp Proofing Rods DPC Kit for 24 Linear Metres (9in Wall) (2/2)
4 options

Dryrod Damp Proofing Rods DPC Kit for 24 Linear Metres (9in Wall)

Free shipping
Landlords Paint - Anti-Damp Paint - Damp Proof Protection for Interior Walls & Ceilings - Rock Salt - 1L (1/5)Landlords Paint - Anti-Damp Paint - Damp Proof Protection for Interior Walls & Ceilings - Rock Salt - 1L (2/5)Landlords Paint - Anti-Damp Paint - Damp Proof Protection for Interior Walls & Ceilings - Rock Salt - 1L (3/5)Landlords Paint - Anti-Damp Paint - Damp Proof Protection for Interior Walls & Ceilings - Rock Salt - 1L (4/5)Landlords Paint - Anti-Damp Paint - Damp Proof Protection for Interior Walls & Ceilings - Rock Salt - 1L (5/5)
32 options

Landlords Paint - Anti-Damp Paint - Damp Proof Protection for Interior Walls & Ceilings - Rock Salt - 1L

£29.95
Free shipping
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Water filters for taps
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Water pistol
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Silicone remover
Adhesive sealant tape
Ronseal anti mould paint clear 750ml
Water hyacinth
Water based grey undercoat
Clear wood preserver
Bag sealer
Clear fence paint
Garden water butts
Hqc tarmac paint
Electric water heaters tankless
Water inlet
Water butt covers
Dog water dispenser
Garden water column
Water butt kit
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More than 7 million individual and professional customers

More than 7 million individual and professional customers