Marshalls Premflow

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Marshalls Premflow

Marshalls Premflow is a pump-applied, free-flowing floor screed.



Product Code:PREMFLOW
Strength(28 days)C25-C35
Access for light foot traffic after:24-48 hours
Working time approximately240 minutes
Drying timeDries at a rate of 1mm per day up to a screed depth of 40mm in good drying conditions; 0.5mm per day thereafter
Drying ShrinkageMinimal
Minimum laying thicknessesBonded: 25mm / In contact with substrate: 30mm / Unbonded: 30mm / Floating Commercial: 40mm / Floating Domestic: 35mm
Cover to conduits20mm with Premflow XTRA



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  • Fast installation - Marshalls Prem ow can be laid in areas of up to 2,000m2 in just one day. It is suitable for foot tra c within 24-48 hours while partitions can be erected just seven days after placing.

  • High strength - Stronger than sand cement screed, Marshalls Prem ow requires no reinforcement and no manual compaction.

  • Flexible choices -New build and renovation work. Unbonded, bonded or oating construction. Residential and commercial. With or without under oor heating.

  • Low shrinkage – Marshalls Prem ow is less prone to shrinkage than sand cement screeds and therefore requires fewer construc- tion joints.

  • More sustainable – Marshalls Prem ow doesn’t contain any cement and has an overall recycled content of 35%.

  • Excellent Surface Finish – Surface regularity to SR2 and capable of receiving oor coverings such as tiles, wood carpet, vinyl and other toppings as listed in BS8203:2001.