Porcelain pavers have become increasingly popular outdoors. A stunning range of design options has played a part – today’s natural effects are incredibly authentic – but the biggest driver is porcelain’s durability.  Porcelain is renowned for its practical features and this is largely due to its density, which makes it tough and resistant.  A combination of fine particles and high temperature firing during manufacture creates a surface that’s very hard and less porous than natural materials, making it especially resistant to water and stains.  But these benefits don’t remove the need for maintenance; whilst porcelain won’t readily absorb dirt, residue will still accumulate on the surface, compromising the aesthetic and the tile’s performance.

To retain a tile’s aesthetic and performance features – and to restore older tiles – we recommend the following steps:

New patio installations

Unpolished porcelain tiles don’t need to be sealed but they will benefit from application of a barrier treatment before grouting.  This is because during installation grout and other residues will become trapped in the tile’s textured ‘high-low’ surface.  Trapped residues will compromise the look of the tile, creating a tell-tale white haze across the tile surface.  Maintenance will also be more difficult and a build-up of residue will create a slip hazard. 

To protect tiles during installation, we recommend ECOPROTEC® Pre Grout Protection. It’s a water-based ‘pre-and-post-grout’ treatment that’s designed to protect the tiles from staining and allow easy removal of residues like cement-based grout; two-part resin based jointing compounds and stubborn dirt.  Porcelain needs to be kept as wet as possible during installation, to improve and increase grout working times, and the protector helps in this respect too.

Ecoprotec Pre Grout Sealer

Before the protector is applied, the tiles should be cleaned and left to dry overnight.  To apply the protector:

  1. Use a broad paint brush, foam roller or light pressure sprayer. 
  2. Leave to dry for 30 minutes before applying a second coat. 
  3. Leave the treatment to cure for a minimum of one hour before grouting or pointing. Once the grout is dry, and all residues have been removed, a further coat of Protector can be applied to the tiles and the grout joints. This helps with future cleaning and aftercare.

Ongoing maintenance

Jet washing may seem like the best method for a fast clean but it will only wash dirt off the tile surface.  High pressure water will also damage the grout joints.  A specialist treatment, on the other hand, will react with the residue and organic matter, and will help break it down.  

To thoroughly clean a porcelain patio, we recommend ECOPROTEC® Intensive Cleaner. It can be used at different dilutions depending on the severity of staining.  Tiles are washed, using a brush or garden broom, and rinsed with clean water.   

Ecoprotec Intensive Cleaner

For periodic cleaning, you can also use ECOPROTEC® General Cleaner. This pH neutral cleaner can be used inside and outside, so it’s especially practical for surfaces installed from home to garden through bi-fold doors. 

Ecoprotec General Cleaner

To remove other stains from outdoor slabs, solutions include ECOPROTEC® Rust Stain Remover, ECOPROTEC® Cement, Grout and Salt Residue remover. These treatments are safe to use on porcelain and natural stone tiles.

Establishing a regular cleaning routine

We recommend cleaning porcelain pavers every couple of months or so – ideally, three times during late spring/summer and a couple of times during the winter.    Surfaces that are regularly cleaned will be easier to keep clean – and it will help to maintain a new aesthetic, as well as the tile’s performance features.

For more advice and information about LTP’s ECOPROTEC range, please call 01823 666213 or email technical@ecoprotec.co.uk. Also, see more articles in the Technical Blog section.

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For media information and photography, please contact Angela Fitzhugh PR Ltd on tel. (01590) 610313 or email angie@afpr.co.uk

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