Larsen Streetscape FJM

£21.98 inc VAT

Larsen Streetscape FJM is a fast setting, flowable, slurry paving grout ideal for grouting all types of paving, such as granite setts, sandstone, limestone, porcelain, Indian Stone, Yorkstone and concrete slabs. Streetscape FJM comes in a handy 25KG bag and is simple to mix with a large bucket and water to produce a high quality, rapid set paving grout for quickly jointing paved areas and patio’s. 

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Description

Larsen Streetscape FJM

Larsen Streetscape FJM is a fast set, flowable, slurry paving grout ideal for grouting between all types of paving, such as granite setts, sandstone, limestone, porcelain, Indian Stone, Yorkstone and concrete slabs. Streetscape FJM comes in a handy 25KG bag and is simple to mix on site with a large bucket and water to produce a high quality grouting mortar for rigid or bound paving methods. It’s fast to apply too, simply pour over the paving slabs and work into the joints with a squeegee, then wash off after the initial set to reveal solid joints which will last for year and stop weed growth. Larsens Streetscape FJM has a workable time of 15 minutes, can accept foot traffic in an hour and vehicles in 4-6 hours. 

Larsen Streetscape FJM has been specifically designed to meet the rigorous demands and recommended performance characteristics of BS7533 parts 4, 7 & 12.

  • >40MPa compressive strength
  • 5 – 50mm joint widths
  • Up to 200mm joint depths
  • Low shrinkage
  • Frost resistant
  • Available in Natural, Charcoal, Buff & Mid Grey
  • Conforms to BS 7533
  • Packaging: 25kg multi-wall paper bags
  • Yield: 13.6L per 25kg

Preparation

All joints to be grouted should be clean, free from grease, oils, dust and loose particles or any debris that may interfere with the adhesion. It is important to thoroughly saturate the paving, joints and bedding before grouting using plenty of clean water ensuring no standing water or puddles are left on the paved area or patio. Saturating the whole area will ensure that the grout comes off the paving slabs easily, but remains in the joints, this is incredibly important with highly textured or absorbent paving.

Mixing

In a suitable container or bucket, mix 5 litres of water per 25KG bag, mix with a suitable mechanical mixer for a minimum of 3 minutes to produce fluid, batter type consistency. Where necessary a little less water can be added to produced a slightly thicker mortar for patio’s and paving which have a fall built in. Please note that if you use additional water to make the product more flowable, the strength of the product will be reduced, and the product may settle or bleed. Do not re-wet or add additional water and re-mix grout which has started to ‘go off’.

Application

Streetscape FJM can be applied in joint widths of 5-50mm, and up to 200mm deep in one single pass. Do to its fluid nature it is important to ensure that none of the grout escapes into nearby drains or water courses.

Once mixed, Streetscape FJM can be applied either with a watering can into joints, or flowed over the entire area and squeegeed into joints. Care must be taken to keep the area moist at all times with a spray of water, never allow it to dry during the cleaning process, allow the fast set jointing mortar to firm up before attempting to clean the paving slabs.

Cleaning

Once the joints have firmed up spray the area with water, then using a squeegee or brush begin to work over the area taking care not to brush the material from the joints, keep wetting and cleaning the area until all of the mortar has been removed from the slabs, but remains in the joints. Ensure that you follow the instructions carefully on the bag, taking care to note the temperature – cold temperatures will mean the grout will remain softer for longer, high temperatures will mean the grout will go off faster. Once grouting of the joints is complete, protect the area from foot traffic for at least 1-2 hours, and vehicles for 4-6 hours.

Restrictions

Do not use Streetscape FJM  in an unbound or flexible construction, should not be used below 3 °C. The surfaces of paving or substrate should not be frozen and fresh grout 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. The flooding application should not be used with very porous paving blocks, the watering can method is recommended here. It is imperative that Streetscape FJM rapid set jointing mortar is removed from paving slabs before it has fully hardened to prevent staining, hardened grout will be very difficult to remove from the surface of the pavers. 

Additional information

Weight 25 kg
Colour

Buff, Mid Grey, Natural, Standard Charcoal

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