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NBS Source

Application

CASEA Casufloor C30/F6 Alpha Hemihydrate Screed is suitable for floors in homes, offices, public buildings and places exposed to similar loads.

It may be applied as a levelling screed directly onto a load bearing floor, unbonded on a separating barrier (polythene) or as a floating floor and is particularly suited in conjunction with underfloor heating or cavity floors.

It should be covered with a floor finish such as tiles, linoleum, parquet, cork or carpet. If a cement based adhesive or smoothing compound is required, the surface of the screed must first be sealed, using an appropriate acrylic primer/ sealer.

Description

A factory produced, pumpable, high-quality screed material based on calcium sulfate. It is supplied to site in pre-mixed bags or site silos. The product is designed for application at thicknesses of between 20 and 90 mm, complies with EN 13813: 2002 and is CE marked.


Features and benefits:

  • Smooth laitance free finish.
  • Pumpable.
  • Under floor heating – full encapsulation.
  • Suitable for underlayment in wet areas.
  • Reduced drying times.
  • CE marked.
  • EN 13813: 2002.
  • Delivery: 550 L/t, 12.5 m² @ 40 mm, 22 L liquid screed per 40 kg bag (approximately).

General information

Uniclass

Pr_35_31_06_72 Ready-mixed self-smoothing calcium sulfate screedsPrimary

CAWS

M13/10 Proprietary trowelled levelling screeds

M13/120 Proprietary self smoothing levelling screeds

Product range

Floor Screeds

Specification data - Ready-mixed self-smoothing calcium sulfate screeds

Compressive strength - 28 days

C30.

Flexural strength

(28 days)

F6.

Tensile Adhesion

>1.5 N/mm².

Shrinkage

(28 days)

<0.1%.

Drying time

(Hardening time)

Before foot traffic, 8–12 hours.

WaterContent

(Recommended)

15–18%.

Reaction to fire

A1, Non-combustible.

ThermalConductivity

1.40 W/mK.

Modulus of elasticity

18 kN/mm² (approximately).

WaterConsumption

(Water demand)

7-8 L per 40 kg bag.

Flowrate

210–230 mm.

Thickness

Minimum: Bonded, 20 mm. Unbonded, 30 mm. Domestic, 35 mm. Commercial, 40 mm. Over underfloor heating pipes, 25 mm (BS 8204-7); Maximum: 90 mm.

Digital objects

Platform Compatible Version Certified to
IFC

IFC2X3

5

1.3
ARCHICAD
-

1.0

1.0

Vectorworks
-

1.0

1.0

AECOsim
-

1.0

1.0

Revit

Revit 2016

6

2.0
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