10 bestMoss Killer For Roofsof January 2026
112M consumers helped this year.
1
SmartSeal 'Green Clear' Highly Concentrated - Easy to Apply Best Mould, Lichen & Algae Remover - Quickly Kills Organic Green Growth from Roofs, Driveways & Patios - Algae Killer For Driveways (25L)
SmartSeal
9.8
2
Floorseal Green Remover Concentrate - For Roofs, Walls, Driveways & Patios – Removes Green Organic Matter, Algae, Mould & More (Formerly Moss Remover Plus) (20 Litre)
Floorseal Premium Surface Sealers & Cleaners
9.6
3
Extra Value Pack of 4 (Huge Savings on Postage) - Patio Magic! 5 Litres Liquid Concentrate Mould, Algae and Moss Killer
Online Garden Centre
9.5
4
Wet & Walk Away Concentrate - Organic Moss & Algae Remover for Garden Spaces – Brighten and Clean Your Patio, Indian Sandstone, Driveway, Decking, Astroturf and Bricks – Covers up to 300m² – 5 Litres
Gro Garden Products
9.3
5
SmartSeal Green Clear Pro - Powerful Green Algae Remover - Easy To Apply Best Mould, Lichen & Black Mould Remover - Perfect Roof Cleaner & Driveway Cleaner - (3x5 Litres)
SmartSeal
9.1
OtherUp to 10% off
Spear & Jackson Moss Gone Moss killer 5L with 5L Garden Sprayer, Fast Acting, Suitable on hard surfaces
Moss Boss, Algae Remover - Green Moss Control, Make Slippery Hard Surfaces Safe - Paths, Driveways, Patios, Roofs, Stonework or Artificial Lawn - Wet or Dry - 4 litres
Stonecare4u 'GREEN AWAY' (formerly Moss Away) Patio, Roof, Drives,Tarmac & Paving, Kills Organic Growth, Algae and Mould (5 Litre)
Spear and Jackson - 5L Spray and Leave Ready to Use - 5L Moss Gone Moss Killer - 2 x Long Hose Trigger Spray
5% off
6
5 Litre Concentrate Spray & Leave Cleaner - Patio Fencing Decking - Green Mould & Algae Killer
Jarder
8.8
7
Smartseal 'Roof Revive' - Green Growth & Algae Killer Safe & Easy to Use- Apply & Leave- Inhibits re-Growth Suitable for All Roof Tiles
SmartSeal
8.6
22% off
8
MultiWare Patio Cleaner | Moss Killer For Paths And Drives | Algae Remover | Spray And Walk Away Patio Cleaner | Spray And Leave | Safe To Use With Pets | 5L Makes 20L (1)
MultiWare
8.3
10% off
9
GLEAN Green Clean Algae Remover | 1L Covers 10m² | Ready to Use Spray | Patio Cleaner for Moss, Mould, Lichen & Algae | Spray and Leave | Paths, Fences, Roof Tiles, Decking, Brick & Concrete Surfaces
GLEAN
8.0
10
Spear & Jackson Moss Gone Moss Killer, 2.5 Litres, For Paths, Patios, Roofs, Walls, Tarmac, Gravel
Spear & Jackson
7.7
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A Guide to Selecting the Best Moss Killer For Roofs
Choosing the right moss killer for your roof is essential to maintain the longevity and appearance of your home. Moss can cause damage to roofing materials, leading to leaks and structural issues. When selecting a moss killer, it's important to consider several key specifications to ensure you pick the best product for your needs. Here are the key specs and explanations to help you make an informed decision.
Active Ingredients
The active ingredients in a moss killer determine its effectiveness in eliminating moss. Common ingredients include zinc sulfate, copper sulfate, and potassium salts of fatty acids. Zinc sulfate is highly effective but can be harmful to plants and aquatic life. Copper sulfate is also effective but can stain surfaces. Potassium salts are less harmful to the environment but may require more frequent applications. Choose an active ingredient based on the severity of the moss problem and environmental considerations.
Application Method
Moss killers come in various application methods such as liquid sprays, granules, and powders. Liquid sprays are easy to apply and provide immediate results, making them suitable for large areas. Granules and powders are slower to act but can be more effective in the long term. Consider the size of your roof and your preference for ease of application when choosing the method.
Coverage Area
The coverage area indicates how much surface area the product can treat. This is usually measured in square feet or square meters. Ensure the product you choose can cover the entire roof area you need to treat. For larger roofs, you may need a product with a higher coverage area to avoid multiple purchases.
Safety
Safety is a crucial factor, especially if you have pets, children, or plants around your home. Some moss killers can be toxic and require careful handling and application. Look for products that are labeled as safe for pets and plants if this is a concern for you. Always follow the manufacturer's safety instructions to avoid any health risks.
Effectiveness Duration
The effectiveness duration refers to how long the moss killer will prevent moss from regrowing. Some products offer long-lasting protection for up to a year, while others may need reapplication every few months. Consider how often you are willing to reapply the product and choose one that fits your maintenance schedule.
Environmental Impact
The environmental impact of a moss killer is an important consideration, especially if you are environmentally conscious. Some products contain chemicals that can harm the environment, while others are biodegradable and eco-friendly. Check the product label for information on its environmental impact and choose one that aligns with your values.
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