NBS Source


It is specifically intended for use in acoustic and non-acoustic flooring systems which use timber joists as their primary supporting structure.

The product can be installed on separating floors that include:

  • Minimum 240 mm engineered 'I' joist.
  • Minimum 18 mm oriented strand board (OSB).
  • Approved acoustic resilient insulation.
  • Polythene separating layer (500 gauge minimum).
  • Optional underfloor heating elements.
  • Supaflo TimBRE screed.

The product can be used with either warm water or electric underfloor heating systems in both commercial and residential developments. Its use will help to improve the acoustic performance of the floor to meet or exceed the requirements set out in Building Regulations Approved Document E.

Supaflo TimBRE should only be used if the building envelope is complete; doors and windows should be in place and must be closed for the first 24 to 48 hours after installation.


Supaflo TimBRE is a self-compacting flowing screed based on an anhydrite binder. It is manufactured in a quality assured process using specialist binder and selected aggregate.

The screed will also improve the environmental, fire resistance and durability characteristic and provide timber supported floor that feels like concrete.

Designed to be used in conjunction with a resilient acoustic insulation layer.

Features and benefits:

  • The product is delivered to site ready mixed.
  • Forced drying: Can be forced dried after seven days using the underfloor heating system or temporary dry source heater or dehumidifiers. Forced drying will reduce drying times.
  • Volatile organic compound (VOC): Virtually zero.

General information







Anhydrite binder

Uniclass 2015

Pr_35_31_06_73 Ready-mixed trowelled calcium sulfate screedsPrimary


M13/10 Proprietary trowelled levelling screeds

M13/110 Proprietary trowelled levelling screeds

Specification data - Ready-mixed trowelled calcium sulfate screeds Enhanced data


Ready mixed.

Product Reference

Supaflo Timbre


Off-white fluid mortar.


Plastic: 2150–2250 kg/m³; Dry: 1950–2050 kg/m³.


230–270 mm.

(BS 8204:7 Annex A, Truncated cone).

Reaction to fire

Class A1fl, non-combustible.

Working time

Batched, transported, placed and finished within three hours.


Five to seven days.

Drying time

Up to 40 mm: 1 mm per day; >40 mm: 0.5 mm per day.


Floating including underfloor heating – 25 mm cover above pipes or cables. Most underfloor heated screed are installed 45 to 55 mm thick.


Curing time

24 to 48 hours.

Compressive strength - 28 days

CA C35–F7.

Environmental information

Embodied carbon

Binder 10–20 kg per tonne. Mortar: 20–40 kg/m³.




Recycled content

Binder: 98%. Mortar up to 40%.



Supaflo Timbre - Flowing Screed for Acoustic & Non-Acoustic Flooring Systems

Supaflo Timbre - Flowing Screed for Acoustic & Non-Acoustic Flooring Systems

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