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UltraScape PremJoint Brush-in Jointing Compound

£41.99 Ex. VAT - £50.39 Inc. VAT

PremJoint is a permeable brush-in paving grout, that comes in Cosmic Black, Storm Grey & Natural Cashmere & available in two grades, fine or coarse. This superior brush-in paving & patio grout fills joint widths from 5-20mm. Use in all weathers and one tub typically covers 8-9.5 sqm!

Select your choice of Coarse or Fine grade below, and colour – Cosmic Black, Storm Grey or Natural Cashmere.

Call ☎️ 0330 122 1025 for discounts or larger pallet deals!

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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


UltraScape PremJoint Brush-in Jointing Compound

UltraScape Premjoint is a high specification, decorative, brush-in jointing compound, ideal for use with granite, porcelain and other types of natural stone. Once cured, Premjoint provides a permeable paving solution, meaning it will allow air and rain water to penetrate through. Premjoint comes in two grades fine and coarse, and in three bespoke colours to suit many types of natural stone – Cosmic Black, Storm Grey and Natural Cashmere.

Premjoint brush in paving grout can be used all year round, it can be used in any weather and is perfect for use on domestic paving applications or light non trafficable commercial areas. Premjoint will fill joint widths between 5-20mm. All paving joints should be a minimum width of 3mm (fine grade) or 5mm (coarse grade) and up to a maximum width of 20mm. Joint depths should be a minimum of 20mm (a deeper depth will increase the strength of the jointing compound).

  • PremJoint is a brush-in jointing compound for permeable & impermeable paving
  • Available in Cosmic Black, Storm Grey & Natural Cashmere
  • Comes in two grades: Fine or Coarse
  • Will fill joint widths between 3-20mm Fine Grade | 5-20mm Coarse Grade
  • Coverage: 8-9.5 sqm based on a paving size of 450mm x 450mm x 25mm (depth) for an 8mm joint gap.
  • Excellent colour stability for consistent finish
  • Enhanced workability
  • Permeable, will allow air & water to penetrate through
  • Walk on after 24-48 hours
  • Use in all weather
  • Resistant to freeze/thaw weather conditions
  • No waste, left over material can be re-used
  • Fast and easy application
  • Size: 15kg Tub
  • Shelf Life: 12 months

For further information on PremJoint, please request a copy of the Technical Data Sheet by calling our team on ☎️ 0330 122 1025 or via email at

Technical information

There are two methods of applying Premjoint, depending on whether the bedding material below the paving is permeable - often referred to as free draining, or whether it is impermeable meaning non-draining. See the Mixing & Application instructions for more details. All paving joints should be a minimum width of 3mm (fine grade) or 5mm (coarse grade) and up to a maximum width of 20mm. Joint depths should be a minimum of 20mm (a deeper depth will increase the strength of the jointing compound). Deeper joints may extend drying times. You should always ensure that Prem-Joint penetrates the full depth and width of the joint, without voids, to provide maximum stability. Voids left in the body of the jointing will cause a permanent weakness in the joint. Prior to applying Prem-Joint ensure all mortar is raked free from the joints to ensure that they are clean and to the full depth. Once Prem-Joint has been freshly installed, unless the moisture has completely drained free from the joint, the material will remain soft. It needs to drain free of moisture before it will begin to cure.

Premjoint Wet Application Method (permeable bed)

The most popular method of applying PremJoint is the 'wet application method' this is generally used for patios & walkways, when the paving is fixed using permeable bedding materials, such as UltraScape Perma-Bed. This method uses lots of water during application. The fixed paving is hosed down with plenty of water initially and throughout the application of Premjoint, this saturation process prevents the oils in Premjoint penetrating the paving causing staining or picture framing, whilst also assisting the brush-in grout to fully penetrate the joints and aid the removal of excess material. The water used during the application process needs to freely drain from the jointing compound before Premjoint will fully cure and harden. It will only harden and cure when all traces of moisture have been drained from the full depth of the joint. It's crucial with the ”Wet Application Method”, that the base of the new paving area is permeable to allow the remaining water to drain feely through the brush-in grout into the ground below. If any moisture or dampness remain in the PremJoint brush in paving grout after application, it will delay the curing of the product. Once the jointing has cured and hardened it will be unaffected by further rain water.

Premjoint Dry Application Method (impermeable bed)

The dry application method is used to apply Premjoint where either the bedding materials used to fix the paving are impermeable and therefore will not allow the drainage of water, or where the temperature conditions drop below 3 degrees, with concern if the wet application method is used it will freeze and expand within the joint before it has had chance to drain away. Once the paving is firmly secured and has set, gently pre-wet the surface using a fine mist spray of water, avoiding completely soaking the joint - this prevents PremJoint brush in grout from staining the paving. Open the PremJoint and pour the material along the length of the joint, brushing it into the joint at the same time. Rather than using water to wash the product into the joint, use a pointing trowel and jointing iron to strike off the joint and to enable the material to be compressed into the joint.


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