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Schlüter®-DITRA-HEAT

Application and Function

Schlüter®-DITRA-HEAT is a polyethylene membrane with a cut-back stud structure and an anchoring fleece laminated on the underside. It is a universal substrate for tile coverings, which serves as an uncoupling, crack bridging, waterproofing, vapour pressure equalization layer and is designed for the attachment of heating cables.

Schlüter®-DITRA-HEAT-TB features a 2 mm special anchoring fleece on the underside, which bonds with the adhesive, while also reducing impact sound and enabling a faster heat-up response. The substrate for the installation of Schlüter®-DITRA-HEAT must be level and ready to bear weight. Schlüter®-DITRA-HEAT is installed in thin-bed adhesive suitable for the substrate with a notched trowel (recommended size: 6 x 6 mm). The anchoring fleece on the underside of Schlüter®-DITRA-HEAT is then fully embedded in the adhesive to ensure a mechanical bond of the fabric in the adhesive. The curing window of the adhesive has to be taken into consideration. In floor areas, the heating cables can be installed immediately after adhering Schlüter®-DITRA-HEAT matting with a minimum spacing of 9 cm (every third stud ≙ 136 W m²).

In the case of wall installation, the heating cables are installed once an adequate adhesive bond has been reached. Installers can choose between installation spacing of 6 cm (every second stud ≙ 200 W m²) and 9 cm (every third stud ≙ 136 W m²). The tile covering is professionally installed directly over Schlüter®-DITRA-HEAT membrane in accordance with the applicable standards, using the thin-bed method. The bed adhesive bonds with the cut-back stud structure of the Schlüter®-DITRA-HEAT membrane.

Schlüter®-DITRA-HEAT features the national technical approval (abP) required in Germany and bears the Ü mark. Moisture exposure class according to abP: 0 - B0 and A. Schlüter®-DITRA-HEAT has the required European Technical Assessment (ETA) as specified in ETAG 022 (bonded waterproofing assemblies) and bears CE marking. Moisture exposure class according to ETAG 022: A.

The cable tester Schlüter®-DITRA-HEATE-CT is designed to measure and verify the resistance of the electrical heating cables Schlüter®-DITRA-HEAT-HK and the remote sensors included with the thermostats Schlüter®-DITRA-HEAT-E. The device monitors the resistance of the heating cables during the entire installation phase. An acoustic signal will sound to alert the installer in the event of damage.

Summary of functions:

a) Uncoupling
Schlüter®-DITRA-HEAT uncouples the covering from the substrate and neutralizes stresses between the substrate and the tile covering that result from different deformation processes. The material effectively bridges tension cracks from the substrate and ensures that they are not transferred to the tile covering.

b) Waterproofing
Schlüter®-DITRA-HEAT is a waterproof polypropylene membrane with a relatively high water vapour diffusion seal. Provided the panel joints and the connection to built-in elements and upright structural fixtures are properly installed, Schlüter®-DITRA-HEAT can be used to create a certified bonded waterproofing assembly with the tile covering. Exclusively use system- approved thin-bed adhesives for areas that require CE conformity or compliance with the general certificate of national technical approval (abP). Please contact us at the address shown in this data sheet for further information about suitable thin-bed adhesives and the corresponding test certificates. Schlüter®-DITRA-HEAT protects the substrate from damage that results from permeating moisture and aggressive substances.

c) Load distribution (load induction)
The Schlüter®-DITRA-HEAT stud structure with its thin-bed adhesive filling transfers traffic loads on the tile covering directly to the substrate. As a result, tile coverings installed over Schlüter®-DITRA-HEAT are highly durable. In Germany, the guidelines and tile thicknesses specified in the information sheet “Ceramic floor coverings for high mechanical impact” must be observed. Tiles must be fully embedded in the tile adhesive in areas with high traffic loads. Please note that the contact surface of Schlüter®-DITRA-HEAT is approximately 50% of the entire area, which may cause a corresponding reduction in pressure resistance in the presence of high point loads. Schlüter®-DITRA-HEAT-TB features a special 2-mm anchoring fleece on the underside and can be used for traffic loads up to 3 kN/m². This includes residential and commercial premises with light foot traffic (residential buildings, office and administrative spaces, restaurants, hotels, conference rooms, nursing stations and patient rooms etc.)

As a rule, the impact of hard objects must be avoided on ceramic coverings for both Schlüter®-DITRA-HEAT and Schlüter®-DITRA- HEAT-TB. Tiles should have minimum dimensions of 5 x 5 cm.

d) Bonded assembly Due to the bond of the fleece fabric with the thin-bed adhesive over the substrate and the mechanical anchoring of the thinset screed in the cut-back stud structure, Schlüter®-DITRA-HEAT creates a lasting bond of the tile covering with the substrate.

e) Thermal separation
Schlüter®-DITRA-HEAT-TB features a 2 mm special anchoring fleece on the underside, which bonds with the tile adhesive, while also reducing impact sound and enabling a faster heat-up response.


Contact Schlüter-Systems Ltd

Units 3-5 Bardon 22,
Beveridge Lane, Coalville,
Leicestershire, LE67 1TE
Phone: +44 (0) 1530 813396

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Further information

on our products and specifications can be found here:

Legend "Products"

We use the following symbols and abbreviations to illustrate our price charts.

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= new products

= radius perforation available   

 

Dimensions:
H = height
L = length
B = width


Packaging:
PL = euro pallet 
KV = case packaging 
BV = bundle (there is a 10 item bundle packaging for all the profile types)
P = box packaging 
R = roll
St. = unit