How many square metres of external brickwork lightly covered in external algae would we cover with one 5ltr can?

If you use a pump up knap sack type sprayer (garden type) you should be able to cover 30 or more square metres. Just remember to apply it when the weather is settled for a couple of days. The product is best left for three days to get to work and then pressure washed off depending on the level of algae. I used the product to remove very well established algae, moss and lichens on very old stone work here in the Yorkshire Dales and needed a pressure washer to lift the growths. Depending on what type of growth you have will determine the amount of pressure and product required to be effective. This is the best product Ive used but it is expensive. Cheaper biocide versions exist by Everbuild and Karcher for example but are not as potent. Dont use the cleaner if it will rain. Warm dry weather is best.

Will this damage a felt roof is some run off gets on it?

No expert, but I doubt it. Maybe run a hose over the affected area, if in doubt.

Is this product suitable for an Asphalt roof flat roof?

Hi there Yes, it’s good for an asphalt roof, that is what mine is. It’s very thick so you cannot roll it on, you have to use a thick brush but it does a good job

Can it be used on a resin bound driveway?

So sorry I am not qualified to anser your question. All I can say is that I used it on an ashfelt gritted surface and on wood surfaces.. I would suggest you seek advice from the company that laid your resin bond surface.

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Soluguard Multi-Surface Biocide 5L

Product ID: 49471398

Details

Brand
SAFEGUARD
Item form
Spray
Liquid volume
5
Manufacturer
Safeguard Ltd
Unit count
5000.0

🌿Targets fungi, mould, lichen & algae

🧴5L ready-to-use volume

🧹Covers up to 100m² surface area

NZ$256

Duties & taxes included

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Description

🛡️ Defend your surfaces with the ultimate biocide power!

LOW ODOUR NON STAINING - Keep your space fresh and spotless without harsh chemical smells or marks.
SAFE EFFICIENT APPLICATION - Apply easily with brush, roller, or spray—non-flammable and user-friendly for professionals.
VERSATILE MULTI SURFACE ACTION - Perfect for walls, driveways, roof tiles, stone, and more—your all-in-one outdoor cleaner.
POWERFUL 5 L READY TO USE FORMULA - No mixing, no hassle—just spray and conquer biological growth instantly.
PREPS SURFACES FOR STORMDRY PROTECTION - Optimizes masonry for long-lasting Stormdry cream adhesion and durability.

Soluguard Multi Surface Biocide is a high-strength, ready-to-use 5L solution designed to eliminate fungi, mould, lichen, and algae from a wide range of internal and external surfaces. With coverage up to 100 square meters, it prepares surfaces perfectly for Stormdry Masonry Protection Cream, while being low odour, non-staining, and non-flammable for safe, professional use.

Specifications

ASIN	B00JB91KQE
Best Sellers Rank	3,115 in Garden ( See Top 100 in Garden ) 18 in Moss Control
Brand	SAFEGUARD
Brand Name	SAFEGUARD
Country of Origin	United Kingdom
Coverage	10-100 Square meters
Customer Reviews	4.3 out of 5 stars 432 Reviews
Item Form	Spray
Item form	Spray
Liquid Volume	5
Liquid volume	5
Manufacturer	Safeguard Europe Ltd
Number of Packs	1
Part Number	MSB
Unit Count	5000.0 millilitre
Unit count	5000.0 millilitre

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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NZ$256

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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