Warmup WLFH-140W/1260, WLFH-140W/280, WLFH-140W/700, WLFH-140W/560, WLFH-140W/1680 Installation Instructions

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Warmup®

Under carpet / Vinyl Installation

(Addendum to the Warmup Foil

Installation Manual)

Warmup® Insulated Underlay

The Warmup® Insulated Underlay is a thin insulation barrier

that reects heat upwards, making the underoor heating system more efcient and effective. The insulated underlay has been specially developed for installation under the

Warmup Warmup

Dual Overlay system in combination with the

foil heating system.

The world’s best-selling electric floor heating brand

Warmup® Dual Overlay

The Warmup

providing a perfectly smooth, stable surface to which Carpet and Vinyl type ooring can be xed.

The Warmup

board. An interactive adhesive, bonds each layer together, providing a stable base. The boards can be worked easily and cut without producing dust or debris.

Dual Overlay is a oating over boarding system

Dual Overlay consists of a composite base board with a precision-nished top

Technical specication

Warmup® Insulated Underlay Warmup

Composition Grooved polystyrene with a silver

foil with adhesive overlap.

Size Width – 1200mm

Length – Cut to size to cover areas of 2.5sqm,5sqm,10sqm and 25sqm. Thickness – 6mm

RM Value 0.19 0.07

The combined thickness of the Warmup® Dual Overlay and the Warmup 13mm.

Dual Overlay

MDF, tted with an interactive adhesive.

600mm x 1200mm. Total -7mm thickness

Top board 4mm Base Board 3mm

Insulated Underlay is

Compatible oor coverings

Floor coverings such as carpet, vinyl and linoleum can be laid directly on to the surface of

Warmup

cushioning from step impacts. It is important that any adhesives used are suitable for use with underoor heating.

Dual Overlay as the Warmup®Insulated Underlay below the foil heaters will provide a

NOTE: The heating MUST NOT exceed 27°C and should always be controlled via a oor sensor thermostat.

Warmup® Under Carpet/ Vinyl Manual addendum 2011 v2.0

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Carpets and Underlays

Carpets and Underlay have a higher TOG value and a greater resistance to heat transfer, so it is important to choose carpets and underlays that have low Tog ratings. The thicker the carpet and underlay the longer the warm up time; this will have the effect of slowing the heat transfer of the ooring into the room.

It is important to check the suitability for use with underoor heating. If you need to use an additional underlay ensure it has a low Tog rating, no greater than 0.8Tog, ideally 0.5 Tog.

NOTE: The maximum Tog rating for the carpet, underlay and the Warmup Tog.

Important Notes for xing Carpet

Dual Overlay should not exceed 2.5

When xing carpet to the Warmup® Dual Overlay it is recommended to use a tackier adhesive or the double stick method of carpet installation. If using the stretch method of installation the gripper must be installed before the heating system. In order for the gripper to function correctly, the top surface of the gripper should be level with the top surface of the Warmup® dual overlay system or insulated underlay. This can be achieved either by using an architectural gripper or a timber spacer under a conventional gripper to raise it

to the correct level.

Vinyl Type Flooring

This type of oor may be used over the

Warmup

Dual Overlay, but it is important to remember that high temperature adhesives suitable for underoor heating must be used.

When vinyl oor coverings are to be glued, t the Warmup® dual overlay 24 hours before.

Installation Instructions

Step 1 Warmup

Ensure that the base is clean and dry. Install the insulation with the silver foil facing down. After tting the rst rows, roll out the next section of underlay. Remove the protective lm from the selfadhesive overlap and stick both rows together, creating a damp proof situation.

Insulated Underlay Fitting instructions

If another form of insulation such as the Warmup manufacturer’s instructions.

insulation board install as per the

Warmup® Under Carpet/ Vinyl Manual addendum 2011 v2.0

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Step 2 Install the Warmup

Foil heater

The Foil heater should be installed as per the manual.

Step 3 Warmup

Dual overlay tting instructions

Once you have laid the heater and tested the system you are ready to install the Warmup® Dual

overlay.

NOTE: The heating system MUST be switched off before installation.

The Warmup

Dual overlay boards must acclimatise in their sealed packaging, in the room where they are to be tted, for at least 48 hours, at a temperature of at least 18°C. Before starting your installation it is important that you ensure your oor is permanently dry, clean and free of dust.

Cutting the boards

When cutting, we recommend that you use a Retractable bladed knife or similar and a straightedge. Score the boards two or three times and then snap along the cut. This avoids making sawdust which would prevent the adhesive from bonding correctly.

Installation Overview

The Warmup® Dual Overlay is a oating sub-oor. It is not xed to the oor below. Each layer is laid out with staggered joints and arranged so that the top boards overlap the joints in the baseboards. Baseboards are thinner and have a protective plastic lm to keep the self-adhesive coating clean. This is laid facing upwards and the lm is left in place until cutting and tting is completed.

The top boards are thicker and have no plastic lm over the adhesive coating. They are carefully positioned, adhesive side down, so that they overlap all the baseboard joints. It is important to check that any trimming of the top board is accurate and that the adhesive coating is free from dust or fragments before removing just sufcient amount of the protective lm from the baseboards to allow the top board to be bonded in place. The adhesive will allow adjustments to be made for accurate positioning until pressure is applied. Ensure close contact of the adhesive coatings so to produce a strong, permanent bond. Take care to position boards accurately as it is very difcult to separate them once bonded.

Baseboard rst row (picture 1 )

The rst row of baseboards is created by splitting boards in half lengthways and turning the cut edges towards the wall. The rst piece is shortened to 3/4 of its length with both cut edges against the walls in the corner. Lay out the other pieces end to end in a line along the wall, adhesive side up, leaving the protective lm in place. Leave an expansion gap of 8-10 mm all around the perimeter and around pipes and other xed objects,this also applies to the nal oor nish.

Baseboard 300mm x 1200mm This board must be placed with an expansion gap of 8-10mm from the wall.

Top board 600mm x 1200mm

Baseboard

600mm x 1200mm

Warmup® Under Carpet/ Vinyl Manual addendum 2011 v2.0

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Baseboard second row.

Boards in the second row are laid out in the same direction as the rst row. Start by cutting a board to 1/4 of its length and place this piece, with the cut end to the wall, next to the rst row. Now place a full sized baseboard end to end with it and alongside the rst row.

The large off-cut will be used to start the third row of baseboards. Do not remove the protective lm at this stage and keep the job clean and free from dust.

Top boards rst row.

The top boards are laid in the same direction as the baseboards, but with the adhesive side down. The rst board of this row is full size and positioned into the corner overlapping both the rst and second rows of baseboards. If the board ts neatly into the corner no trimming is required, in which case it can be lifted out and the plastic lm can be peeled back from the baseboards that it will cover. Avoid removing more lm than is necessary to accommodate the top board on the adhesive. The top board is carefully repositioned and adjusted for alignment, at the same time the baseboards should be checked for any gaps and adjusted if required; nally the top board is xed in place by tapping down with the rubber mallet.

Top boards second row (picture 2)

For the best result it is important to keep the joints

Leave an expansion Gap along the side of about 8-10mm.

between the top boards as tight as possible. The easiest way to achieve this is by starting the second row of top boards with a half-length piece, followed by a full board and pushing all the edges tightly together before tapping down. Adding further boards, alternately, to the rst two rows keeps the lines straight and so prevents gaps from developing. Due to possible inuences of air humidity, glue the oor covering on the Warmup 48 hours.

Dual Overlay no later than

Every room should be tted separately, leaving an expansion gap of at least 8 -10 mm and 16mm in door openings when Warmup® Dual Overlay is continued in the adjoining area. If the oor covering is to be glued onto the total surface and should not to exceed the edges of the

Warmup

Dual Overlay Boards.

This method of installation will provide a stable surface for the oor nish to rest on and avoid any joints showing through the nal oor nish.

Now you have installed the Warmup® Dual Overlay boards you can either glue your nal oor nish to the boards as a nal layer or simply lay it freely upon them.

Before installing the nal oor nish test the Warmup® foil heater(s) and oor sensor to ensure that

no damage has occurred during the installation.

Note: If the oor nish is to be glued the underoor heating system must not be switched back on until the glue has completely set. Temperatures should then be increased gradually.

If you need any further assistance regarding the product all installation or

operation of the heaters please contact the Warmup Technical Support help line

on 0845 345 2288.

Warmup® Under Carpet/ Vinyl Manual addendum 2011 v2.0