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ProJoint Porcelain Paving Grout

£43.99 Ex. VAT - £52.79 Inc. VAT

ProJoint Porcelain Paving Grout – Flexible, high performance porcelain paving grout for DIYers & Landscapers

ProJoint Porcelain Paving Grout has been specifically formulated for porcelain paving, for joint widths from 2 – 20mm, it is ideal for both internal or external applications. ProJoint Porcelain Paving Grout has anti-mould growth technology with added silicone, to help limit mould growth and repel water from the surface of the grout, whilst also allowing vapour to pass through. ProJoint Porcelain Grout is supplied in two 10kg bags within a bucket, which is then ideal as a mixing tub.

ProJoint Porcelain Grout is available in four colours: Neutral (Buff), Mid-Grey, Basalt & Black. 

We also recommend using the ProJoint Porcelain Primer prior to laying porcelain paving.

We aim to provide the most competitive prices online if you find ProJoint Porcelain Paving Grout anywhere cheaper please do give us a call on ☎️ 0330 122 1025

In stock

Select a product variation to get estimate Estimated delivery date, click here for info
Next Day Delivery available at checkout
Please see our FAQ’s for more information.

Delivery & Returns Info

Delivery is calculated on size & weight of order, charges displayed when added to basket. Small orders via courier, larger orders via Pallet Network (Click & Collect available call 0330 122 1025 or 01827 794 350). Need further info, click here.

Weight Price Volume
0-13KG£9.00+VAT1 Small Bag / Tub
13.01-25KG £10.00+VAT1 Large Bag / Tub
25.01-50KG £19.00+VAT 2 x Bags / Tubs
50.01-75KG£28.00+VAT 3 x Bags / Tubs
75.01-100KG£36.00+VAT4-5 Bags /Tubs
100.01-249 KG£42.50+VAT 5-9 Bags / Tubs
249.01-750KG£47.50+VAT10 Bags Plus
750.01KG + £50.00+VAT 30 Bags Plus
Full Pallets FOC* £0.0052 Tubs / 56 Bags
Premium Next Day Service+avg. £15 Click here for prices
Scotland Delivery Service Click here for prices
Local Delivery & Click & Collect: ☎️ 0330 122 1025

*Small additional charges may apply to certain parts of Scotland or areas with HGV Restrictions. Next Day delivery + £15 (*exc. apply – Full Pallets £80 on a Next Day Service)

Returns, cancel up to 14 days from date of delivery. Product to be returned in the same condition & packaging. No returns for cementitious & perishable products. You are responsible for returning goods to The Paving Experts. Need further info, click here.

For any advice; technical, product, stock or quantity needed, call our team on 0330 122 1025.

how much do i need?


Slab Width

Slab Length

Joint Width

Joint Depth


ProJoint Porcelain Paving Grout

ProJoint Porcelain Paving Grout has been specially developed for laying porcelain paving, with joint widths of 2 to 20mm. This professional grade porcelain paving grout is ideal for both internal and external use. Utilising clever anti-mould growth technology with added silicone, ProJoint Porcelain Grout repels water from the surface of the grout, whilst allowing vapour to pass through.

The ProJoint Porcelain Grout is supplied as two 10KG bags, that are ready to mix, and come within a tub which can be used as the ideal mixing bucket.

ProJoint Porcelain Grout is available in four colours: Neutral (Buff), Mid-Grey, Basalt & Black. This specialist porcelain grout offers both DIYers & Landscaping Contractors, fast and easy application with really professional results.

Key information: 

  • Professional strength
  • Developed for joint widths of 2 to 20mm
  • Suitable for external and internal use
  • Limits mould growth and repels water
  • Allows vapour to pass through the surface of the grout
  • Ready to mix
  • Two x 10kg bags contained within the lidded mixing tub
  • For porcelain, concrete, ceramic tiles, paving slabs or setts
  • Approximate coverage per 20kg tub: 27.5m2 depending on the application method and paving porosity

We recommend using the ProJoint Porcelain Primer prior to laying porcelain paving.


Ensure that the paving is firmly fixed and the joints are clean, free of dust, excess adhesive, bedding mortar or any contamination. Do not use in wet weather (can be used if joints are damp) and do not use if frost is forecast in the next 24 hours. Suitable for use in temperatures between 3°C and 25°C. Do not apply to areas in direct sunlight or to substrates that are hot. A grout film and/or pigment stains, especially with dark colours, may remain on paving after jointing. Follow the paving manufacturer’s recommendations. A trial grouting area is recommended to check suitability. Only clean water and clean tools must be used for grouting and final cleaning. Never add water or fresh grout powder to a grout mix which has already started to set. ProJoint Porcelain Grout should be mixed with 3 litres of cold clean water per 10kg bag. Remove the bag from the bucket and add the water to the mixing container. Add the powder slowly and mix using a drill and paddle until a smooth creamy consistency is reached. Mix for 2 minutes, allow standing for 2 minutes then re-mix. This process allows the polymer additives to dissolve and activate.


Use a rubber float to work the grout deeply into the joints until flush with the paving. Excess grout should be removed as work proceeds and any final residues left on the tile face can be removed by wiping off with a damp sponge up to 30 minutes after application. Ensure you have plenty of clean water for removing grout whilst wet/damp. Any dry film remaining on the surface can be removed by polishing off with a dry cloth when the grout has hardened in the joints. In warm weather, freshly grouted joints should be kept damp when working outdoors using a fine mist spray. The pot life of the mixed grout is approximately 60 minutes at 20°C. NOTE: the grout will be considerably lighter in colour once dry. Newly grouted joints should be protected from rain or frost during the curing process. Care should be taken to ensure any protective cover does not come into contact with the fresh joints; air circulation over joints is required during curing. Cure times are dependent on temperature and humidity but as a guide can accept foot traffic after 3 hours at 20°C and full cure after 72 hours at 20°C. All tools should be washed out with water immediately after use. Waste material should not be emptied into drainage systems.


Approximate coverage per 20KG tub, based on 1200 x 600mm slabs:

  • Joint size: 4 x 20mm = 62.5m2
  • Joint size: 5 x 20mm = 50.0m2
  • Joint size: 6 x 20mm 41.68m2


Please store unopened in a dry place above 5°C. The shelf life is 12 months from date of manufacture. For health and safety information – a full datasheet can be available on request. Please just give us a call ☎️ 0330 122 1025



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