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UltraScape Pro-Prime Slurry Paving Primer 20Kg

£19.53 Ex. VAT - £23.44 Inc. VAT

(4 customer reviews)

UltraScape Pro-Prime slurry paving primer stops efflorescence & provides a secure bond between paving slabs & bedding mortar, particularly recommended when laying porcelain due to its non-porous nature. Pro-Prime Slurry has a unique blend which enables it to adhere to porcelain and create a stronger adhesion with the mortar bed. One bag of Pro-Prime covers 15m2 per 20kg bag at 1-2mm thickness. UltraScape Pro-Prime adheres to BS 7533 and is highly recommended for use with Flowpoint Paving Grout & Eco-Bed.

WOW! Bulk Buy Bag Savings! 

  • Buy 24 x 25KG Bags & save 5%
  • Buy 40 x 25KG Bags & save 10%
  • Buy a Full Pallet (56 x 25KG Bags) & save 12%

We aim to offer the most competitive price and the best service online, found a cheaper price? Call us on ☎️ 0330 122 1025 

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Get Orders By Fri 22nd. Mar - Tue 26th. Mar Estimated delivery date, click here for info
Next Day Delivery available at checkout

Bulk Buy Savings!

Buy 24 & save 5%
Buy 40 & save 10%
Buy 56 & save 12%

Pallet Deals also available!

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?

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UltraScape Pro-Prime Slurry Paving Primer

UltraScape Pro-Prime slurry primer is a paving primer that is used to create an exceptionally strong bond between your paving slabs and the bedding mortar, it can also dramatically reduce the risk of efflorescence or staining appearing on the surface of your paving.

Traditionally, paving and cobbles would have been laid directly onto the bedding mortar, risking loose and wobbly slabs over time, using a priming slurry such as UltraScape Pro-Prime, helps to eliminate this as the primer creates a really strong bond between the paving slabs & bedding mortar. Pro-Prime Slurry is also highly recommended when installing porcelain because of the non-porous nature of porcelain, without the use of a primer it will not bond to the mortar bed.

  • Highly recommended when laying porcelain paving
  • Provides a secure bond between slabs, cobbles & mortar bed
  • Quick and easy to apply
  • Colour: Grey
  • Coverage: 15m2 per 20kg bag at 1-2mm thickness
  • Yield: 16.9 litres
  • Supplied in a 20kg reinforced paper bag.
  • User-friendly – requires only the addition of water on-site
  • Water Required: 7 litres per 20kg
  • BS 7533 compliant
  • Part of the UltraScape mortar paving system
  • NBS Plus registered for ease of specification
  • Workability: 1 hour @ 20ºC
  • Storage: Store in a cool, dry and frost free area at temperatures between 5°C and 30°C
  • Shelf Life: 8 months from the date of manufacture printed on the bag unopened in the above conditions. High temperatures and high humidity will reduce shelf life.

Pallet deals also available £17.15 +vat per bag (56 bags per pallet) 

How do I prepare to use Pro-Prime Slurry Primer?

Remove all debris, dirt and ponded water from the supporting structure or roadbase. It is important that the roadbase as well as the paving slabs are cleaned by brushing or washing with water to remove dust, loose material or packaging prior to the application of UltraScape Pro-Prime slurry paving primer.

How do I mix Pro-Prime Slurry Primer?

Place 7 litres of clean water in a suitable bucket or container. Add the UltraScape Pro-Prime powder slowly and mix for 3 to 5 minutes to create a smooth lump-free slurry. The primer should be used on the supporting layer or roadbase immediately prior to the application of the laying course UltraScape Eco-Bed / Pro-Bed HS. Then prime the underside of paving elements with Pro-Prime using a brush or roller at a thickness of 1mm-2mm immediately before their placement upon the bedding mortar.

How do I apply Pro-Prime Slurry Primer?

All surfaces should be pre-soaked with clean water immediately prior to the application of UltraScape Pro-Prime slurry primer. The supporting layer/roadbase should be coated with the primer at a thickness of 1mm-2mm immediately before the application of UltraScape Eco-Bed or Pro-Bed HS. The slurry should be fresh and wet when the fine bedding concrete is laid.

What products make up the UltraScape BS 7533 Mortar Paving System?

The Ultrascape BS7533 Mortar Paving System includes a rapid strength fine bedding concrete – EcoBed and flowable slurry paving grout Flowpoint. Ultrascape Flowpoint is a cement-based, impermeable paving grout. Flowpoint is applied as a wet slurry to joint paving slabs such as porcelain, granite, sandstone and concrete. As a rapid-set grout, Flowpoint can set within as little as 15 minutes at 20ºC and is ready to be cleaned down after just 15-30 minutes (depending on temperature). After just one hour, you can walk on the paving surfaces. Four hours and the area can receive car traffic.

If you have any questions please feel free to give us a call on ☎️ 0330 122 1025. Alternatively check out our primer FAQs or read our article on What is a slurry primer?

Technical info

UltraScape Pro-Prime is supplied pre-blended in 20kg bags. You simply add water on-site, the product creates a liquid slurry paste, which can be applied to the underside of all paving elements with a brush or roller at a thickness of 1mm to 2mm immediately prior to their placement on your full contact bedding mortar layer. Pro-Prime helps to provide bond strength and prevent staining and efflorescence.
  • Packaging: 20kg bags delivered on shrink-wrapped pallets
  • Storage: Store in a cool, dry & frost free area at temperatures between 5°C & 30°C
  • Coverage: 15m2 at 1-2mm thickness
  • Yield: 16.9 litres
  • Shelf life: 8 months from the date of manufacture printed on the side of the bag, unopened, in the above conditions.
  • Temperature Warnings: High temperatures and high humidity will reduce shelf life.
  • Bond: (Adhesion strength) >2.20N/mm² after 28 days
  • Water required: 7 litres per 20kg bag
  • Colour: Natural Grey
  • Workability: 1 hours @ 20°C

MIXING

To mix UltraScape Pro-Prime paving slurry primer, simply put 7 litres of clean water in a suitable mixing bucket. Add UltraScape Pro-Prime powder slowly and mix continuously for 3 to 5 minutes to create a smooth lump-free, cake batter like slurry. The primer should be used on the supporting layer/roadbase immediately prior to the application of your mortar bed, and then on the back of each slab before the laying of your paving slabs, setts or elements. Always prime the underside of paving slabs at a thickness of 1mm-2mm, with a brush or roller immediately before their placement upon the bedding mortar layer.

APPLICATION

Ensure that all surfaces are pre-soaked with plenty of clean water immediately prior to the application of UltraScape Pro-Prime slurry primer. The supporting layer/roadbase should be coated with the primer at a thickness of 1mm-2mm immediately before the application of  your mortar bed such as UltraScape pro-bed HS. The slurry should be fresh and wet when the fine bedding concrete is laid. The paving primer should also be used to coat the back of your slabs prior to placement to improve adhesion and prevent efflorescence leaching through your paving slabs and grout.

STORAGE

Store in original packaging at temperatures between 5°C and 30°C. Avoid frost. This product must be stored in unopened bags, clear of the ground in cool dry conditions and protected from excessive drafts. If stored correctly and used within 8 months of the date shown on the bag, the activity of the reducing agent will be maintained and this product will contain, when mixed with water, no more than 0.0002% (2 ppm) soluble Chromium (VI) of the total dry weight of the cement.

4 reviews for UltraScape Pro-Prime Slurry Paving Primer 20Kg

  1. Joe Tanton

    The Paving Experts are an absolute pleasure to work with! Cleo is so helpful and accommodating! Thank you, and we look forward to doing business with you again in the future!
    Joe Tanton, Chilcote. Via Google Reviews.

  2. Laurence, L J Hebblethwaite Ltd, Horsham, West Sussex

    The service i experienced was very good. Quick efficient and very helpful staff who assisted me through my order. I will be using this company again and would recommend to other companies.
    Laurence, L J Hebblethwaite Ltd, Horsham, West Sussex

  3. Ben Mills

    Cleo are her team are simply amazing! I can call at anytime and get the things I need delivered promptly.

    They know there products well, and are a great company to deal with and nothing is ever to much of
    A ask.

    Would highly recommend them to anyone.

    Many thanks!

    Mr Slab (:))

    Ben Mills, Mr Slab, Milton Keynes. Via Google Reviews.

  4. Jon Gerrish

    My number 1 supplier for grout and primer. Great deals, clear comms and prompt delivery, why go anywhere else?

    Jon Gerrish, Paved in Stone, WESTBURY, Wiltshire.

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