Barrettine Driveway, Decking & Patio Cleaner 4L
Best current price£16.82from B&Q
Best offers
Shopping.co.uk recommended and popular offers
B&Q£16.82Visit shop B&Q - Generic Barrettine 4L Knockout DrivewayDecking & Patio CleanerDecl004
Visit shopB&Q£16.82Visit shop One Offer
1 offer from £16.82
View price history by clicking the chart icon.
B&QB&Q - Generic Barrettine 4L Knockout DrivewayDecking & Patio CleanerDecl004
Free delivery in 1–3 days
£16.82
Visit shop
Product Information
Full details
For homeowners and property managers seeking an effective solution to unsightly mould, fungi, and algae on outdoor hard surfaces. The Barrettine Driveway, Decking & Patio Cleaner offers a ready-to-use formula that quickly removes dirt and grime, revitalizing patios, driveways, and decking. A key benefit is its surface biocide, which actively kills existing growth and inhibits future recurrence. However, users should note the 24-hour waiting period between applications for the biocidal effect to fully develop.
All features
| Model Part Number | DECL004 |
|---|---|
| Brand | Barrettine |
Extended Product Information
FAQs
Do I need to dilute this product?
No, the Barrettine Driveway, Decking & Patio Cleaner is a ready-to-use formula and does not require dilution.
How long does it take to see results?
Visible cleaning results from dirt and grime can be seen shortly after application. The full biocidal effect to kill mould, fungi, and algae takes 24 hours between applications.
What surfaces can I use this cleaner on?
It is suitable for most outdoor hard surfaces including patios, decking, driveways, block paving, wood, stone, and plaster.
How much area does a 4L bottle cover?
The typical application rate is 5 m² per litre, so a 4L bottle can cover approximately 20 m².
Is this product safe for plants and pets?
The product is very toxic to aquatic life (R50). Keep away from ponds and waterways. While pets and children should be kept away during application and until the surface is dry, always follow safety instructions on the product label and keep stored safely away from them.
Can I use this before painting?
Yes, this cleaner is ideal for use prior to painting and decorating outdoor surfaces, as it removes dirt and grime effectively.
What are the hazard safety codes?
The product has hazard safety codes R22 (Harmful if swallowed), R34 (Causes burns), and R50 (Very toxic to aquatic life).
Troubleshooting
Product not killing mould/algae effectively.
Ensure the full 24-hour biocidal effect period has passed since the initial application. For persistent growth, a second application may be required after this period. Check that the product was applied evenly and at the recommended rate.
Surface appears discoloured after application.
This product may cause discolouration on some sensitive surfaces. It is recommended to test on a small, hidden area first. If discolouration occurs, rinse the area thoroughly with water.
Application equipment becomes clogged.
Rinse equipment thoroughly with water immediately after each use. Ensure no product residue dries within the sprayer or watering can.
Pros and Cons
Pros
- Ready-to-use formula saves preparation time.
- Effectively kills and prevents mould, fungi, and algae.
- Suitable for a wide range of outdoor hard surfaces.
- Improves the overall aesthetic of driveways, patios, and decking.
- Can be used as a preparatory step for painting and decorating.
Cons
- Requires a 24-hour waiting period between applications for full biocidal effect.
- Hazardous safety codes (R22, R34, R50) indicate potential risks if not handled properly.
- Application rate means a 4L bottle may cover a limited area for heavy infestations.
Setup, Compatibility & Care
Setup: This product is a ready-to-use formula and does not require mixing. Ensure the surface is free from loose debris before application. Apply using a sprayer, brush, or watering can.
Compatibility: Suitable for most outdoor hard surfaces including wood, stone, block paving, concrete, and plaster. Always test on an inconspicuous area first, especially on painted or sensitive surfaces.
Care: Clean all application equipment thoroughly with water immediately after use. Store the product in its original container in a cool, dry place, away from direct sunlight and out of reach of children and pets. Wear appropriate personal protective equipment (gloves, eye protection) during application due to hazard codes R22 (Harmful if swallowed), R34 (Causes burns), and R50 (Very toxic to aquatic life).
Similar items
Smartseal Driveway Cleaner Xtreme - BlackFrom £37
Porcelain Tile Cleaner - 1L - SMARTSEALFrom £20
Smartseal - Roof Cleaner Xtreme 5LFrom £37
Bostik Cementone Brick & Patio Cleaner - 5LFrom £14
Sandtex Fungicidal Wash - 5LFrom £32
Bartoline Teak Oil - 5 LitreFrom £23
Everbuild Tarmac Restorer - 5L - TARR5From £24
Rempro Salt Neutraliser - WhiteFrom £15
Calmag HV100 Scale Inhibitor - 1 Litre BottleFrom £9
Bostik Cempolay Universal Primer - 2.5L - GreenFrom £21
Spear & Jackson Path Patio and Decking CleanerFrom £6
Knockout Mould & Mildew Cleaner - 4L - Barrettine - KOMM004From £17