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Larsen Streetscape PS

£19.99 Ex. VAT - £23.99 Inc. VAT

Larsen Streetscape PS is a brush on paving priming slurry which bonds all types of natural stone setts, cobbles, flags, concrete & clay pavers to a mortar bed. Ideal for porcelain, Larsen PS Priming Slurry helps promote bond strength and removes the risk of efflorescence. Comes in handy 25KG Bags and mixes easily on site with water, 25 kg will cover ~19m2. Adheres to BS 7533. For trade prices or 39 bag pallet deals, please call us or click here:

If you find Larsen Streetscape PS Priming Slurry elsewhere cheaper, please give us a call on  ☎️ 0330 122 1025. 

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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.

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Larsen Streetscape PS Priming Slurry

Larsen Streetscape PS Primer is a cement based priming slurry that is brush or roller applied, it has been specifically designed for priming the back of pavers, steps, setts, coping stones and securely bonds all types of paving slabs to a newly prepared mortar bed. This superior grade priming slurry has been developed to meet the stringent recommended performance characteristics of BS7533 demanded by major contractors on large streetscape projects.

Streetscape PS is a blend of specially selected aggregates, cements and synthetic polymers which produces a priming slurry with a high bond strength suitable for use with all types of natural stone setts, cobbles, flags, concrete and clay pavers to adhere to a mortar bed such as Larsen Streetscape FBC.

Supplied in handy 25kg paper bags, when mixed there is enough primer to cover approximately 19m2, ideal for stone that is non-porous, such as porcelain, granite & slate, to aid with adhesion to the bedding layer.

Technical information

Size 25kg multi-walled paper bag
Coverage 25kg will cover ~19m2
Application temperature 3°C to 30°C
Water for the mix 6.5 litres per 25kg bag
Working time Approximately 60 minutes
Traffic Light foot traffic after 12 hours
Bond strength >2.0 MPa
Shelf life Minimum 6 months in unopened bags kept free of draft & damp

Directions for using Larsen Streetscape PS Priming Slurry

How do I prepare to use Larsen PS?

  • All substrates for bonded constructions should be clean, free from grease, oils, dust and loose particles or any debris that may interfere with the adhesion.
  • It is important to pre-soak the substrate but not so the area is full of standing water.
  • To create a strong bond it is recommended to apply Larsen Streetscape PS to the base immediately prior to laying the Streetscape FBC bedding layer.
  • All paving & patio slabs must be brush primed with Streetscape PS immediately prior to laying on the bedding layer.

How do I mix Larsen PS?

  1. In a suitable container or bucket, mix 6.5 litres of water per 25kg bag
  2. Mix with a suitable mechanical mixer for a minimum of 3 minutes to produce a semi fluid, cake batter type consistency.
Please note: if you use additional water to make the product more flowable, the strength of the product will be reduced. Do not re-wet or add additional water and re-mix slurry which has started to 'go off'.

How do I apply Larsen PS?

Streetscape PS is designed to be applied with a brush, at a thickness of 1-2mm. When priming the base the slurry should be newly mixed and wet, when Streetscape FBC is applied, when priming paving slabs, cobble or setts this should be done immediately prior to placing the slabs onto the bedding layer.


  • Do not use Streetscape PS in an unbound or flexible construction.
  • This product should not be used below 3°C. The surfaces of paving or substrate should not be frozen and fresh primer should be protected from inclement weather or freezing until required strength is achieved for damage not to occur.
  • Movement joints may be required in ridged/bound constructions and should be laid out at the design stage.


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