FAQ

The Recticel Insulation products are on sale via a network of dealers. You can enter the product you want and the region under the 'dealers' section and a list will appear of all the distributors in your region. You can always contact them for prices or a quote.

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PUR - polyurethane for building applications withstands a maximum temperature of +100°C; PIR – polyisocyanurate foam insulation however withstands + 130 to 150 °C.
However higher temperatures can be withstood for a brief time when using the foam – for instance the adhesion of roof insulation boards Bi3 with hot bitumen.

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All Eurothane products have ATG/H product certification and usually also ATG system approval. The product characteristics are inspected continuously within the framework of these approvals. PUR insulation has over 90% closed cells which allows a very limited water absorption. The water absorption measured after complete immersion of the foam for 24 hours is limited to 2 to 3%. The presence of an aluminium or bituminous facing on the Eurothane insulation boards offers an additional protection against damp.

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It is good practice to seal the joints between boards and building elements such as rafters and abutments, as this controls the rate of passage of water vapour through the structure and helps with air tightness. The two common methods are to use a self adhesive aluminium foil tape, or to use a conventional sheet vapour control layer, in either case abutments should be sealed with a low modulus silicon sealant

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The U value takes into account all constructional elements and thermal bridges and can only be derived by calculation. The "R" value or thermal resistance of a product does not take into account anything other than the thickness and thermal conductivity (Lambda value), it can be used as a means of comparison of thermal resistance for products of differing lambda values and thickness.

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No CFCs are used in the production of Eurothane. Recticel Insulation has actively contributed to the development of the CFC-free production of PUR insulation boards. For that reason Recticel Insulation was even awarded the "First Prize" Environmental Award for Industry in 1994 for the production of "CFC-11 free" insulation panels.

Environmental awareness goes further than solely not using CFCs. Eurothane insulation boards have a very high insulating capacity (very low -value) and this contributes to major energy savings. As a result, the emission of flue gas from heating installations is much lower, which contributes to improving the environment.

Recticel Insulation PIR products score an 'A' Rating in the Green Guide.

Global Warming Potential (GWP) of <5

Ozone Depleation Potional (ODP) of 0

Recticel Insulation has also signed contracts with Lloyds Registrars and are currently undertaking the ISO 14001 Standard. Completion expected by end of 2010.

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All insulation boards in the Eurothane/ Powerdeck range belong to the hard foam insulation board family based on PUR or PIR.
These are primarily thermal insulation boards and not directly intended to solve an acoustic problem.
However, in addition to hard foam Recticel also produces soft foams e.g. for use in the comfort sector. A number of products derived for construction have been developed from this such as Recphone and Recfoam. Recphone is recommended as an acoustic underlay carpet for loose parquet floors; Recfoam is an acoustic absorbing material for floors and walls.

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· Use the right Eurothane board for the application: the right type and the right format.
· Store the boards in a dry place and above the ground and use them when they are dry.
· Handle the boards carefully, do not throw them, be careful not to damage them and do not kick them with your feet.
· Ensure that the base is clean, even, dry and smooth.
· Especially with flat roofs apply an air screen, sealing layer or damp resistant layer if necessary.
· Push the insulation boards together well.
· Always cover the boards at the end of the working day and keep them dry during rain showers.
· Always follow the installation instructions on the packaging.
· Always use the right attachment methods.

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The damp absorption of Eurothane is almost non-existent. The Eurothane products are also tested for damp absorption as part of the ATG inspection. After complete immersion under water for 24 hours the water absorption is limited to a couple of %.
In practice this situation does not occur; on the other hand the majority of Eurothane products are faced on both sides with a facing that absorbs little to no damp (e.g. aluminium film).
This means that Eurothane products can often be used even in less favourable weather conditions and do not contribute to sealing in extra damp in a construction.

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If the insulation is to come into contact with a concrete slab or screed a membrane needs to be laid on the top side of the insulation that the slab or screed is to be laid. This is to protect the foil in the surface of the board from the concrete/screed, it also provides a barrier to stop water contained in the finish from penetrating through the board joints, it also stops the board joints being opened by the concrete/screed and causing a thermal break. If a floating timber floor is to be laid then the VCL should be laid directly below the floor finish.

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The Eurothane GP boards can be used with both wet and electrical under floor heating systems.

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No. When used in solid ground floors it must always be laid above the damp proof membrane (DPM), in basement wall applications it should be installed on the inside and isolated by means of a cavity between back side of the insulation and masonry wall.

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For interior insulation, for use in refurbishment or new build,  Eurothane PL is the right solution. Eurothane PL is a thermal laminate comprising a PIR-board with a 12.5mm plasterboard. It is suitable for re-lining existing walls or for use in solutions in new build propertys to satisfy the ever demading Building Regulations & The Code For Sustainable Homes.

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Two methods exist for fixing Eurothane PL; you can fix them to a wooden structure by mechanically fixing or you can fix them with adhesive plaster onto existing walls. The choice is primarily defined by the type of base. For ceilings and partition wall cladding a mechanical fixing to the a wooden structure is recommended , for use on walls the adhesive system is also possible as long as the existing wall or partition is compatible with adhesive plaster and the wall or partition does not have any major unevenness. If the wall is badly out of line than it is recommended that a timber frame is constructed to level the face of the wall..
More details are given in our Eurothane PL technical literature which can be downloaded here: Download

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Eurothane GP has a built in vapour barrier as standard, located between the PIR-core and the plasterboard.

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Eurothane PL is exclusively made with standard plasterboard; it is consequently not suitable for use in wet rooms.

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Both Eurothane and Powerdeck roof insulation boards are suitable for this use. These boards have a UEAtc- class C. This means that these boards may be used for frequent maintenance and for use in roof terraces.

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Many flat roofing problems are attributed to ineffective rainwater run-off. This causes the deck deflection and ponding which can have a major impact on the working life of the roof.  Our Sister company 'Gradient Insulation' provide bespoke tapered insulation solutions allow virtually any fall to be created on either a new or existing roof, thus eliminating the rainwater run-off problem. A Gradient tapered roof will:

- Improve thermal and acoustic performance

- Minimise ponding and roof loading

- Restrict build-up of rooftop debris

- Reduce the resulting maintenance costs

- Provide a longer and more effective working life

- Help compliance with Building Regulations

Gradient Insulation provides a service for this by working out a roof plan in advance which means that the method is not only defined but the correct number of boards can also be established.

Gradient Insulation work exclusively with Recticel for there PIR insulation board solutions but are not limited to the choice of other insulation materials such as Mineral wool, EPS & Cork. This enables Gradient Insulation to deliver truly unique and bespoke solutions utilising the very best characteristics of all the insulation materials available in the UK today.

For further information on tapered roofing schemes please go to: www.gradientuk.com

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