How much does 5 litres cover and plus to you dilute this

Product is always used neat, coverage will vary as per porosity of tile or slate. The average coverage on a concrete tile would be 4-5 m2 per litre. Hope that helps!

Can i use this on my new roof thats only just been installed?

No problem but ensure the roof is dry. Dave.

Hi,will the appearance of 20yo shabby looking co crete tiles. Improve so the roof looks new?

This type of sealer provides a 'dry' 'invisible' appearance so it will not change the appearance of the tiles. We do supply a complete range of coloured roof coatings, these would create a 'like new' appearance. This could be more the type of product you are looking for. Hope that helps.

does this product damage plants ? our bay window roof overhangs our front garden

Hi, I would not be sure it is safe for plants, but would always cover with dust sheet, plastic sheet or old bed sheets whilst applying. It's a good product so would recommend it sealing slates etc, albeit it's your decision about the plants. You could also gently hose pipe/sprinkle water over the plants once completed and covers removed. That could wash off any drips or over spray missed by the covers if done immediately after. Sorry for not having the 100% definitive answer.

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SmartSeal Roof Tile Sealer - 5L - Breathable Clear Roof Sealer. Solvent-Free Clear Sealant that Helps Prevent Moss, Mould, Algae & Lichen Growth on Concrete, Slate & Clay Tiles

SmartSeal Roof Tile Sealer - 5L - Breathable Clear Roof Sealer. Solvent-Free Clear Sealant that Helps Prevent Moss, Mould, Algae & Lichen Growth on Concrete, Slate & Clay Tiles

Product ID: 155796567

Details

Brand
SmartSeal
Item weight
5 Kilograms
Material
Acrylic
Style
5L
Water resistance level
Water

💧10-year waterproof barrier

🧴5L coverage up to 50m²

🛡️Solvent-free & eco-friendly

209187CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Seal Smart, Stay Dry, Look Sharp!

ECO SMART SAFE - Solvent-free acrylic formula means powerful protection without harmful chemicals—good for your home and the planet.
MAXIMIZED COVERAGE - 5L bottle covers up to 50m², making it ideal for both small repairs and larger roof projects—don’t run out mid-job!
DECADE LONG DEFENSE - Enjoy up to 10 years of protection against moss, algae, mould, and lichen—maintenance made effortless.
VERSATILE APPLICATION - Perfect for concrete, slate, and clay tiles—applies easily by sprayer or brush for a professional finish every time.
INVISIBLE SHIELD VISIBLE IMPACT - Clear, breathable sealant keeps your roof’s natural look flawless while locking out moisture.

SmartSeal Roof Tile Sealer is a solvent-free, clear acrylic sealant designed to protect concrete, slate, and clay roof tiles by creating a breathable, invisible waterproof barrier. It prevents moss, mould, algae, and lichen growth while maintaining the roof’s natural appearance. With up to 10 years of durability and easy application via sprayer or brush, this 5L sealer covers approximately 50m², making it a cost-effective, eco-friendly solution for long-lasting roof maintenance.

Specifications

ASIN	B07VL5N23J
Best Sellers Rank	42,632 in DIY & Tools ( See Top 100 in DIY & Tools ) 695 in Sealers
Brand	SmartSeal
Colour	Clear
Compatible Material	Concrete, Clay, Slate
Customer Reviews	4.2 out of 5 stars 75 Reviews
EU Spare Part Availability Duration	10 Years
Included Components	Product Only
Item Form	Spray
Item Weight	5 Kilograms
Item form	Spray
Item weight	5 Kilograms
Manufacturer	Smartseal UK Ltd
Manufacturer Part Number	sm-rooftilsea-5
Material	Acrylic
Number of Items	1
Style	5L
Style Name	5L
Surface Recommendation	Roof,Tile
Unit Count	5000.0 millilitre
Water Resistance Level	Water Resistant
Water resistance level	Water Resistant

Reviews

J**D

Smart seal roof sealer

Make sure you order more than you think you need. Easy to apply using garden sprayer. I used spear and Jackson 5 litre with extra long lance. Only just applied so have to wait to see how effective it is.

22.09.2025

W**K

Looks like a good quality product!

Delivered very quickly, great seller!, yet to use, but product looks like it’s good quality. Thanks

5.01.2026

M**S

Fits well

Fits well in my van, not long term tested yet

30.08.2025

A**R

Tile seal

This product was very good and we didn't need as much as order it was very easier to use and very good dose the job

30.05.2023

E**N

Easy to use

Use to make my bid bath wterp put 3 coats on with plenty of drying time in between but didn't OK nd there was only hairline cack in dsh! Glad I l got a sample ot!

21.08.2023

M**T

This does what it says on the bottle

This product is easy and quick to use

9.04.2023

J**.

It a good product

Does exactly what it says it will do.

18.10.2024

H**K

Perfectv

Perfect

25.07.2025

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