LH Underfloor Heating - laminate/engineered wood floors, Underfloor & mirror heating by BN Thermic

LH

Heating for laminate and engineered wood floors

• Providing an economic method of heating a room and providing a luxurious warm floor
• Easily and quickly installed under laminate and engineered wood floors without the need for adhesives or compounds
• Manufactured to highest quality for complete peace of mind and backed by a 10 year warranty

Application

• Suitable for any room except bathrooms and wet rooms
• Specifically designed for use with laminate or engineered wood floors

Features

• Low profile system, combined thickness of insulation/underlay, heating and vapour barrier is approximately 7mm
• Two widths of heating film and a wide range of lengths for good floor coverage in any size of room
• Pre-wired 4m power leads
• LH heating films can be easily reduced in length during the installation process Film Specification
• Approved to EN60335-2-96 as required by the 17th Edition Wiring Regulations (BS7671.2008)
• EMC compliant
• 230V supply
• Polyester film less than 1mm thick

Installation

Three layers are required:

1st Layer - DEP6 Insulation/Underlay

The entire floor area must be covered by a 6mm thick layer of DEP6. This layer performs four functions.

• Thermal insulation limiting downward heat loss
• A moisture proof barrier between the heating film and the sub-floor
• Sound deadening
• A non-abrasive surface onto which the heating film can be installed

2nd Layer - LH Film

A number of LH heating films are installed side by side to fill the floor area

The heating films are electrically connected in parallel and controlled by a single thermostat

3rd Layer - VB Vapour Barrier

The entire floor must be covered in a layer of VB vapour barrier. This layer performs three functions

• Secondary electrical insulation
• Protection from major liquid spills
• A mechanical barrier between the heating film and the floor surface preventing abrasion DEP6, LH Film and VB should all be secured using LHT High Adhesive Tape. One 50m roll is required for each 10m² of floor area.

Selection

Step One

Draw a plan of the room identifying areas occupied by permanent fixtures such as kitchen cabinets

Step Two

Draw the heating films side by side onto the plan keeping all electrical connections along one wall wherever possible. For ease of installation we suggest using a small number of wider films rather than a larger number of narrower films. Frequently a combination of wider and narrower films will be required.

Should you select a film slightly too long for the room, it is a simple process to reduce the length of the film during installation.

Step Three

Select the correct number of DEP6 insulation/underlay boards and VB vapour barriers to cover the entire floor area. Both DEP6 and VB must be used in the installation.

Control

Thermostatic control must be used. BN Thermic offers a range of thermostats all of which are supplied with a floor probe. The thermostats can be configured for primary control via the built-in air sensor or via the floor sensor. For larger rooms, check that the combined load of the heating films is within the switching capacity of the selected thermostat. When the combined load is greater than the switching capacity of the selected thermostat an appropriately rated contactor must be selected.

A16C

Simplicity is the key. The A16C has a smart uncluttered appearance with a dial for temperature adjustment and an on/off switch. Capable of switching loads up to 3.4kW, the A16C is configurable for ‘air and floor sensor’ or ‘floor sensor only’

U16C

The U16C offers simple 7-day programming with programming buttons hidden behind hinged doors on the thermostat face. Capable of switching loads up to 3.4kW, the U16C is configurable for ‘air and floor sensor’ or ‘floor sensor only’. Features include a backlit screen and a summer switch allowing the heating to be switched off without losing the programme.

T16C

Our latest full colour touch screen thermostats can switch loads of up to 3.6kW and provide ultra-simple 7-day programming.  Available with a choice of white or silver surrounds, the T16C can be configured for ‘air and floor’ or ‘floor only’ control.  When required, the air temperature can be controlled via an IP65 rated remote mounted wall-sensor (T16R).  This arrangement is particularly well suited for bathroom applications. The T16C also allows the user to monitor energy usage and running costs.

LH Heating - Specifications

Product information downloads

• Download a PDF specification for easy printing
• Download a PDF of our instruction sheet