The Best Patio Sealer – A 2021 Buyer’s Guide

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Best Patio Sealer

A patio sealer can be the perfect solution for anyone that is wanting their patio area to be protected, look good and be easy to maintain. We would struggle to understand why anyone WOULDN’T want these things for their patio – which means that a patio sealer is basically going to be perfect for anyone….with a patio! Patio sealers are designed to literally seal in and protect the surface of your patio, enabling it to maintain its colour and be durable for long after. Patio sealers are so cheap in comparison to having to replace parts of your patio, they are the perfect way to make your money and patio go a long way! 

There are a number of ways that your patio sealer will work to protect your patio. Firstly, they provide a water repellent layer to the flags/stones or pebbledash of your patio area, so that water cannot seap into gaps in the stones and create weak points which could lead to cracks. Not only that, but your patio sealer will also work with the sand in the joints in between your patio flags. By saturating the sand and then helping it to set into a position this will help to reduce the movement of your patio flags offering more stability. 

One of the main reasons we found for people NOT purchasing a patio sealer was being unsure over which patio sealer to purchase and which was going to work best on their patio! This is where our article comes to the rescue – we have included some of our favourite patio sealers, along with a buyers guide including all the features that you need to look for in the best patio sealers. 

In A Hurry?

Anyone whose patio is looking worse for wear, or maybe you have just spent a considerable amount of time and effort fixing or laying your patio and don’t want to have to go through that stress again! Whatever the reason for you being in a hurry to purchase the best patio sealer – look no further! 

Best Pick – Smartseal Natural Stone Sealer

Smartseal Natural Stone Sealer - Dry Finish – High Quality, impregnating, Durable Sealer for Sandstone, Limestone, Granite, Travertine and Slate (5 Litre)
54 Reviews
Smartseal Natural Stone Sealer - Dry Finish – High Quality, impregnating, Durable Sealer for Sandstone, Limestone, Granite, Travertine and Slate (5 Litre)
  • 👔 Professional Grade Natural Stone Sealer with a "Dry" Invisible Finish is 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗹𝘆 𝗦𝗼𝗹𝘃𝗲𝗻𝘁 𝗙𝗿𝗲𝗲.
  • 🧱 For hard surfaces such as: Sandstone, Limestone, Granite and Slate. One coat application to saturation (for best results apply 2nd coat 'wet on wet')
  • 💧 Provides 𝗘𝘅𝗰𝗲𝗹𝗹𝗲𝗻𝘁 𝗪𝗮𝘁𝗲𝗿 𝗥𝗲𝗽𝗲𝗹𝗹𝗲𝗻𝗰𝗲 and 𝗦𝘁𝗮𝗶𝗻 𝗥𝗲𝘀𝗶𝘀𝘁𝗮𝗻𝗰𝗲 to unsightly problems such as 𝗠𝗼𝘀𝘀, 𝗟𝗶𝗰𝗵𝗲𝗻 𝗮𝗻𝗱 𝗔𝗹𝗴𝗮𝗲 . You can expect up to a 𝟱 𝗬𝗲𝗮𝗿 𝗟𝗶𝗳𝗲𝘀𝗽𝗮𝗻 against these threats.
  • 🕒 Easily applied using household equipment like 𝗥𝗼𝗹𝗹𝗲𝗿𝘀 𝗮𝗻𝗱 𝗦𝗽𝗿𝗮𝘆𝗲𝗿𝘀 . Will be touch dry within 2-3 hours, and fully waterproof within 24
  • 📐 The average coverage: 𝗙𝗶𝗿𝘀𝘁 𝗖𝗼𝗮𝘁 4 - 8 m² per litre, 𝗦𝗲𝗰𝗼𝗻𝗱 𝗖𝗼𝗮𝘁 8-16 sq/m (dependant on porosity & the finish of the hard surface)

Last update on 2021-06-16 / Images from Amazon Product Advertising API / As an Amazon Associate I earn from qualifying purchases

Types of Patio Sealer 

By far the first thing that you need to know about is the different types of patio sealer, as they aren’t all going to be compatible with your patio. If you are wanting to get the best seal and best protection for your patio then you are going to need a compatible patio sealer…

  • Block paving sealer – This is decided specifically to be used on block paving as it comes with additional colour enhancing properties to really make the colour of your block paving stand out! Not only this, but they will have features to help fill holes in joints, therefore preventing weed growth. This will also encourage stability in your joints and patio as a whole. 
  • Driveway sealers – It’s obvious that driveway patios are going to have to take a lot of weight and movement on a daily basis, which is why you will regularly find loose and moving patio slabs! However, a driveway sealer is designed to stabilize the sand in your joints to reduce movement as much as possible. Not only this, but it will provide a protection for the paving slabs to reduce discolouration and marking from the tyres or your car. 
  • Stone Sealer – Any type of natural stone, such as slate or indian sandstone, is going to need a more specific sealer that is designed to work with the natural materials. Using a non-specific sealant on these models could cause real damage to your stone. Always opt for a natural stone sealer in these circumstances and check whether it is compatible with your type of stone.

Coverage 

The next thing that you need to look at is the coverage that you are going to achieve with your bottle of patio cleaner. This will be determined by the size of tub that it comes in (obviously) but also how concentrated the solution is! The sizes of tubs range quite considerably from as little as 5L up to around 30L, so if you are buying a bigger tub make sure that your patio sealer has a long expiration date if you are not planning on using it all in one go! 

You also want to look at whether your patio sealer is going to need one coat or two coats as this will obviously affect how much solution you are going to need to purchase. Many are going to need two coats – the first to soak the sand and the second to fully seal. However, some will actually do more harm than good if you apply two coats, so this is definitely worth checking out before you buy. 

The best patio sealers that we found offered around two metre square coverage per litre of sealer, which gives you a good idea of how much you are going to need! 

Durability

Make sure to check how durable and long lasting your patio sealer is going to be. You don’t want a patio sealer that you are having to redo every few months otherwise this totally defeats the object of ensuring your drive is protected and well maintained. Some are going to last for even a couple of years before needing replacing (providing you complete general cleaning and maintenance in between). 

We particularly like patio sealers that are going to have mould preventing features. These will “clog up” and seal the pores in your patio whether it be natural stone or concrete slabs and provide an almost wipeable material which will help to prevent mould from setting on your patio. 

Best Budget – Sika Patio Seal

Sika Patio Seal - Paving Sealer, Clear, 5 Litre
987 Reviews
Sika Patio Seal - Paving Sealer, Clear, 5 Litre
  • Solvent free formulation – non-flammable, low odour
  • Improves appearance of paths/stone
  • Also acts as a dustproofer and facilitates easier cleaning
  • Dramatically improves water and mark resistance - High degree of water repellency in dried film
  • Contains a fungicide – prevents unsightly growth in the film

Last update on 2021-06-16 / Images from Amazon Product Advertising API / As an Amazon Associate I earn from qualifying purchases

The Best Patio Sealers 

Hopefully by now you know the type of patio sealer that you need to look out for and the ones that are going to be compatible with your patio. But, there are so many other aspects to consider before you buy as well! 

  • Drying Time – Living in the UK means that you definitely need to consider the drying time of your patio sealer. Some will be dry and sealed within the hour, which means that you aren’t having to juggle completing your job around the weather too much. Others take considerably longer which can be an inconvenience not just with the weather but if you have pets or the sealer is being used on a driveway.
  • Application – It is always worth looking whether your patio sealer comes with anything to help the application process. Some patio sealers come with rollers or brushes to make it easier to apply to your patio! Others can be used with a standard paint sprayer but obviously these won’t be included!
  • Matt or wet look finish – You will need to decide whether you are wanting a matt or a wet look finish for your patio sealer. A wet look is going to be much shinier and arguably easier to keep clean but a matt finish will look more natural.
  • Colour Enhancement – Some of you would probably like the idea of having a colour enhancement on your patio, it is a great way to really make your patio stand out and become the envy of your neighbours. However, this is going to stop your patio from looking as natural and blending in with the rest of your garden or the frontage of your home. This is something that really comes down to personal preference and the style of your garden/home. 
  • Non toxic – If you have pets or young children then we would definitely recommend checking that your patio sealer is non-toxic. Although really you are going to need to keep them off your patio anyway until it has dried, you’re better just not taking any risks! 
  • Additional surface grip – If your path, patio or driveway is on an incline and is causing you some problems when wet or icy then look out for patio sealers that are going to increase surface grip!

Best of the Rest

Everbuild 405 Path and Patio Seal Paving Sealer - 25 Litre
1,319 Reviews
Everbuild 405 Path and Patio Seal Paving Sealer - 25 Litre
  • 405 Path & Patio Seal
  • Size: 25LTR
  • Brand: Everbuild

Last update on 2021-06-16 / Images from Amazon Product Advertising API / As an Amazon Associate I earn from qualifying purchases

StoneCare4u - Essential Indian Sandstone Sealer 'Satin' - Professional Performance & Quick Drying Formula – Forms a Satin/Gloss Finish on Paving & Patio's. Easy to Apply. (5 Litre)
19 Reviews
StoneCare4u - Essential Indian Sandstone Sealer 'Satin' - Professional Performance & Quick Drying Formula – Forms a Satin/Gloss Finish on Paving & Patio's. Easy to Apply. (5 Litre)
  • ✔️ Our formulation of Essential Sandstone Sealer with Stain finish is a high performance, high quality product intended mainly for use on quality natural sandstone surfaces
  • 🧱 The product is however versatile, able for use on a range of hard, porous surfaces such as slate and limestone. Can be used both internally and externally.
  • 🎨 Provides a beautiful satin finish which is not only attractive but hard-wearing and works to intensify the natural colours of the stone. Apply more coats where you would like to achieve a glossy finish.
  • 🛡️ The sealer also offers a high quality stain protection against unsightly horrors like green growth, moss, algae, lichens and even oil spills
  • 📐 The coverage you can expect on average with this product is 4 - 6 square metres per litre, which depends upon the porosity of the surface. Please see below for full application details 🔻

Last update on 2021-06-16 / Images from Amazon Product Advertising API / As an Amazon Associate I earn from qualifying purchases

Ronseal PBPSWL5L Patio & Block Paving Seal Wet Look 5 Litre
493 Reviews
Ronseal PBPSWL5L Patio & Block Paving Seal Wet Look 5 Litre
  • Thompson's Patio & Block Paving Seal offers advanced protection for paving
  • It seals and protects against dirt and chemicals and resists penetration of oils and fuels
  • Contains effective biocide to resist moss and algal growth

Last update on 2021-06-16 / Images from Amazon Product Advertising API / As an Amazon Associate I earn from qualifying purchases

Frequently Asked Questions

Can you use a pressure washer on a patio that has been patio sealed?

We probably wouldn’t recommend using a pressure washer on a patio that has been sealed. Whenever you use a pressure washer on a patio you are potentially going to be removing bits of sand or jointing compound from the gaps in between your flags. Doing this is obviously going to not only damage the overall stability of your patio but also remove the patio sealer from that area leaving you having to reapply the sealer. Not only this, but that could lead to a patchy job as in some areas you will have two layers and in others you will have just one. 

How do you apply patio sealer? 

Applying most domestic patio sealers is relatively easy – some will even come with a brush or a roller to help you on the way. Simply “paint” your patio sealer onto the patio and the joints and wait for it to dry. Remember that all patios and patio sealers are going to be slightly different, so you need to check the manufacturer’s instructions and may need to consider applying two coats! 

  • Performance
  • Features
  • Ergonomics
  • Value

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