Larsen Streetscape FBC
Larsen Streetscape FBC is a high grade fine bedding concrete which is ideal for the installation of natural stone setts, cobbles, flags, concrete and clay pavers. This specialist fine bedding concrete has been specifically designed to meet the recommended performance characteristics of BS7533. Streetscape FBC is loved by major contractors for large streetscape projects across the UK and has been manufactured from a controlled blend of specially selected aggregates, cements, fibres and additives which only requires the simple addition of water on site to produce a high quality bedding mortar, perfect for laying paving flags, slabs, cobbles & pavers.
- >40MPa compressive strength
- Offers 10 – 75mm bed depth in one pass
- Low shrinkage
- Frost resistant
- Accepts foot traffic in 12 hours & vehicle traffic after 24 hours
- Adheres to BS 7533
- Packaging: 25kg multi-wall paper bags
- Yield: 13.2L / 25kg
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 of the bedding layer to the substrate. It is important to pre-soak the substrate but not so the area is full of standing water.
To improve of Streetscape FBC to the substrate, it is recommended that you firstly apply a priming slurry to increase bond strength such as Larsens PS, as well as priming the base of all paving slabs, cobbles or setts.
Simply add 2 to 2.5 litres of water per 25KG bag, mix with a suitable mechanical mixer for approximately 3 minutes or until the mixture reaches a semi moist, bread dough like consistency – if too little water is used the the bedding mix will be too dry to bind together. If you need a more pliable mix you can add more water, but please note the hardened properties of the product will be reduced. Workability should be regularly tested using the ‘snowball’ test.
Streetscape FBC can be applied in a bed from 10-75mm in a single pass. A greater thickness can be achieved by layering, but should be laid wet on wet with each layer sufficiently compacted. If another layer is required once a layer has set, prime with Streetscape PS. Streetscape FBC can receive foot traffic within 12 hours and vehicle traffic after 24 hours.
Do not use Streetscape FBC in an unbound or flexible construction, should not be used below 3 °C. Do not bed onto frozen substrates and protect from inclement weather until sufficient strength is achieved so not to damage the bedding layer.