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Manufacturer's Contact Details

Kingspan Insulation Limited
Pembridge, Leominster, Herefordshire, HR6 9LA

Kingspan Technical Advisory. Tel: 0870 850 8333
Fax: 01544 387 278 - techline.uk@insulation.kingspan.com

This page was last updated: Wednesday, February 1, 2012

 

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Kingspan K12 Phenolic Insulation Framing Boards

Kingspan K12 from as little as £7.16m² - £20.61 per board

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Kingspan K12, from the Kooltherm Range of Premium Performance Insulation Boards incorporating Rigid Penolic Foam ...

 

Kingspan Kooltherm K12 insulation for timber and steel framing systems

 

Kooltherm K12 framing board is a premium performance rigid phenolic insulation solution, designed so that they may be installed either between or outside timber or metal studwork.

The insulation boards are easily cut to individual studwork spacings.

Benefits

Premium performance rigid phenolic insulation – thermal conductivity as low as 0.021 W/m.K

Class 0 / Low Risk fire rated insulation core

Negligible smoke obscuration

Can be used between studs or as an insulating sheathing

Suitable for use with timber frame and steel frame wall constructions

Can eliminate cold bridging

Unaffected by air movement

Resistant to the passage of water vapour

Easy to handle and install

Ideal for new build or refurbishment

Non–deleterious material

CFC/HCFC–free with zero Ozone Depletion Potential (ODP)

 

Applications

Kingspan Kooltherm® K12 Phenolic Insulation Framing Board may be installed either between or outside timber studwork.

The insulation boards are easily cut to individual studwork spacings.
Once installed, Kingspan Kooltherm® K12 Framing Board can exceed Building Regulations / Standards requirements for these applications.

 

Cold Bridging

When installed between timber studwork, the effects of cold bridging must be taken into account. In most cases this can represent up to 15% of the external surface area of the building which will significantly affect the overall U–value.

The problem is avoided when insulating outside or inside the studwork. By insulating the entire building envelope, or lining internally with insulation, the problem of cold bridging can be
eliminated completely.

 

Repeating Thermal Bridges

When insulation is installed between timber studwork, the effects of repeating thermal bridges, caused by the studwork and noggins, must be taken into account. In most cases, this can represent up to or over 15% of the internal surface area of the building, which will significantly affect the overall U–value.

This problem can be avoided by installing an additional layer of insulation either outside, or inside, the studwork.

 

Water Vapour Control

Surface Condensation

Surface condensation can be controlled by the selection of the correct thickness of insulation, the heating and ventilation system being designed with condensation in mind, and subsequently the combination of heating and ventilation being used correctly.

Interstitial Condensation

The Kingspan Insulation Technical Service Department (see rear cover) can provide a condensation risk analysis of your proposed design. Alternatively, the designer can undertake an independent assessment by following the procedures set out in BS 5250: 2002 (Code of practice for the control of condensation in buildings).

Where insulation is installed purely between studwork it is recommended that either a vapour check plasterboard or a separate vapour control layer be used. The vapour resistance of the internal wall lining can be increased by the use of a vapour check plasterboard or by the application of two coats of Gyproc Drywall Sealer, if required.

 

Fire Stops

Current Building Regulations / Standards should be considered
with regard to the requirements for and provision of fire stops.

Lightning Protection

Building designers should give consideration to the requirements of BS / I.S. EN 62305: 2006 (Protection against lightning).

 

Kingspan K12 Board Sizes and Values

Available in packs with a standard board size of 1.2m wide by 2.4m long, and in the following thicknesses ...

Product	R Value (m²K/W)	Thermal conduct (W/mK)	U Value (W/m²K)	Compresive strength (kPa)	Typical density (kg/m³)	Water vapour restistance (MNs/g)	Reaction to fire
Kingspan K12 25mm, 12 x 1.2x2.4m = 34.56m²	1.05	0.021	0.95	≥ 125	35	> 100	Class 0
Kingspan K12 30mm, 10 x 1.2x2.4m = 28.8m²	1.30	0.021	0.77	≥ 125	35	> 100	Class 0
Kingspan K12 40mm, 8 x 1.2x2.4m = 23.04m²	1.70	0.021	0.59	≥ 125	35	> 100	Class 0
Kingspan K12 50mm, 6 x 1.2x2.4m = 17.28m²	2.35	0.020	0.43	≥ 125	35	> 100	Class 0
Kingspan K12 60mm, 5 x 1.2x2.4m = 14.4m²	2.85	0.020	0.35	≥ 125	35	> 100	Class 0
Kingspan K12 70mm, 4 x 1.2x2.4m = 11.52m²	3.30	0.020	0.30	≥ 125	35	> 100	Class 0
Kingspan K12 80mm, 4 x 1.2x2.4m = 11.52m²	3.80	0.020	0.26	≥ 125	35	> 100	Class 0
Kingspan K12 90mm, 3 x 1.2x2.4m = 8.64m²	4.25	0.020	0.24	≥ 125	35	> 100	Class 0
Kingspan K12 100mm, 3 x 1.2x2.4m = 8.64m²	4.75	0.020	0.21	≥ 125	35	> 100	Class 0
Kingspan K12 110mm, 3 x 1.2x2.4m = 8.64m²	5.20	0.020	0.19	≥ 125	35	> 100	Class 0
Kingspan K12 120mm, 2 x 1.2x2.4m = 5.76m²	5.70	0.020	0.18	≥ 125	35	> 100	Class 0
Kingspan K12 130mm, 2 x 1.2x2.4m = 5.76m²	6.15	0.020	0.16	≥ 125	35	> 100	Class 0
Kingspan K12 140mm, 2 x 1.2x2.4m = 5.76m²	6.65	0.020	0.15	≥ 125	35	> 100	Class 0

 

Note:

R-Value = Thermal Resistance; Thermal Conductivity = Lambda Value; U-Value = Thermal Transmittance Co-efficient; Compressive strength = kiloPascals; Vapour resistance = MegaNewton seconds per gram.

 

Technical Specifications

 

The Upper Facings

The upper facing of Kingspan Kooltherm® K10 Soffit Board is a tissue based facing bonded to the insulation core during manufacture.

The Lower Facing

The lower facing of Kingspan Kooltherm® K10 Soffit Board is a composite foil bonded to the insulation core during manufacture. The lower facing used on Kingspan Kooltherm® K10 Soffit Board has not been designed with the purpose of an aesthetic finish as its primary function.

Where appearance is critical, advice should be sought from the Kingspan Insulation Technical Service Department (above right).

The Core

The core of Kingspan Kooltherm® K10 Soffit Board is a premium performance CFC/HCFC–free rigid phenolic insulant of typical density 35 kg/m3.

CFC/HCFC–free

Kingspan Kooltherm® K10 Soffit Board is manufactured without the use of CFCs/HCFCs and has zero Ozone Depletion Potential (ODP).

 

The Facings

Kingspan Kooltherm® K12 Framing Board is faced on both sides with a low emissivity composite foil facing which is highly resistant to the transmission of water vapour.

This reflective, low emissivity surface can effectively double the thermal resistance of the cavity in which the board is placed.

 

The Core

The core of Kingspan Kooltherm® K12 Framing Board is a premium performance CFC/HCFC–free rigid phenolic insulant of typical density 35 kg/m3.

 

CFC/HCFC–free

Kingspan Kooltherm® K12 Framing Board is manufactured without the use of CFCs/HCFCs and has zero Ozone Depletion Potential (ODP).

 

Compressive Strength

Typically exceeds 125 kPa at 10% compression when tested to BS EN 826: 1996 (Thermal insulating products for building applications. Determination of compression behaviour).

Water Vapour Resistance

Modified to include board facings, the boards achieve a resistance far greater than 100 MN.s/g, when tested in accordance with BS 4370–2: 1993 (Methods of test for rigid cellular materials. Methods 7 to 9). Where additional vapour control is required an appropriate surface treatment should be applied over the completed insulated wall area.

 

Durability

If correctly applied, Kingspan Kooltherm® K12 Framing Board has an indefinite life. Its durability depends on the supporting structure and the conditions of its use.

Resistance to Solvents, Fungi & Rodents

The insulation core is resistant to short–term contact with petrol and with most dilute acids, alkalis and mineral oils.

However, it is recommended that any spills be cleaned off fully before the boards are installed. Ensure that safe methods of cleaning are used, as recommended by the suppliers of the spilt liquid.

The insulation core is not resistant to some solvent–based adhesive systems, particularly those containing methyl ethyl ketone. Adhesives containing such solvents should not be used in association with this product.

Damaged boards or boards that have been in contact with harsh solvents or acids should not be used.

The insulation core and facings used in the manufacture of Kingspan Kooltherm® K12 Framing Board resist attack by mould and microbial growth, and do not provide any food value to vermin.

 

Fire Performance

The rigid phenolic insulation core of Kingspan Kooltherm® K12 will achieve the results given below, which enable it to be classified by the Building Regulations as being Class 0 and as Low Risk by the Technical Standards in Scotland.

Test - BS 476–6: 1989 (Fire tests on building materials and structures. Method of test for fire propagation for products)

Result - Fire propagation index of Fire tests on building performance (1) not exceeding 12 and sub Index (i) not exceeding 6 (for rigid phenolic insulation core)

Test - BS 476–7: 1997 (Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products

Result - Class 1 rating

Test - BS 5111–1: 1974 (Smoke Obscuration)

Result - < 5%

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Installation

Installation advice for different applications of Kingspan Kooltherm® K12 Framing Board is listed below.

Where constructions include a combination of applications, e.g. ‘Insulation Between Timber Frame Studs and Insulated Sheathing’, refer to both relevant sections.

Regardless of whether insulation is being installed between and outside, or between and inside timber studs, the two layers should always be fixed so that there are no air spaces between them in construction.

 

External Masonry – Timber Frame Wall with Insulating Sheathing

Kingspan Kooltherm® K12 Framing Board should be fixed to the external surface of the timber frame structure (outside of any OSB or plywood sheathing) and restrained using temporary fixing in the form of large headed galvanised clout nails prior to being tied into the masonry leaf with an
appropriate timber frame wall tie. Ensure that Kingspan Kooltherm® K12 Framing Boards are tightly butted and that any requirements of the timber frame manufacturer are met.
Please contact the Kingspan Insulation Technical Service Department (see above right) for further information.

Wall Ties – Timber Frame Wall

The outer leaf of masonry may be constructed in the conventional manner using appropriate wall ties to restrain the two wall skins together. The ties should be inserted whilst constructing the outer leaf ensuring a slight offset is achieved, sloping the tie downwards towards the outer leaf.

External Masonry – Steel Frame Wall with Insulating Sheathing

Similarly fixed as for ‘Timber Frame’, Kingspan Kooltherm® K12 Framing Board should be restrained to the outside of the steel frame construction ensuring vertical board joints coincide
with a vertical member. Fixings should be in accordance with the steel frame manufacturer’s recommendations. Please contact the Kingspan Insulation Technical Service Department
for further information.

Wall Ties – Steel Frame Wall

Advice should be sought from the appropriate steel frame manufacturer for recommendations of a suitable wall tie specification.

External Masonry - Timber Frame Wall with Insulation Between Studs

If insulation boards are to be fitted so that they are flush with the inside surface of the timber studs, nail treated softwood battens to the side of the studs, to provide a ‘stop’ to prevent the insulation boards from moving within the stud cavity.

This ‘stop’ should be positioned to allow the insulation boards to finish flush with the inside surface of the studs.

Insulation boards may be temporarily held to the ‘stop’ battens with large headed clout nails.

 The boards will be further restrained by the plasterboard /
insulated plasterboard lining, fixed to the inside face of
the studs.

If the insulation boards are to be fitted so that they are flush with the outside surface of the timber studs, tight up against the pre–installed OSB or plywood sheathing, insulation boards must be cut and fitted in the spaces between the studs.

Once the boards are fitted in place, nail treated softwood battens to the side of the studs, to provide a ‘stop’ to prevent the insulation boards from moving within the stud cavity.

When utilising Kingspan Kooltherm® K12 Framing Board between studwork with no insulated sheathing, a vapour control layer should be installed.

This can be provided by vapour check plasterboard, Kingspan Kooltherm® K18 Insulated Plasterboard, the use of a layer of polythene sheeting, or by the application of two coats of Gyproc Drywall Sealer. With appropriate detailing at joints, penetrations and wall perimeters.

In all cases, measure the distance between studs before cutting Kingspan Kooltherm® K12 Framing Board to size, as spacings can vary.

Ensure there is a tight fit between the boards and the adjoining studs and other timbers, and fill all gaps with expanding urethane sealant.

Ensure that the boards are lightly butted, and continuity of insulation is maintained.

The outer leaf of masonry may be constructed in the conventional manner, using appropriate wall ties to hold the two wall leaves together.

 

Timber Frame Wall with Insulating Sheathing

Kingspan Kooltherm® K12 Framing Board should be fixed to the external surface of the timber frame structure (outside of any breathable membrane, OSB or plywood sheathing), and restrained in accordance with the timber frame manufacturers recommendations. However, in the
absence of other guidance please note the following ...

Ensure that the boards are lightly butted and continuity of insulation is maintained.

Large headed galvanised clout nails may be used as temporary fixings prior to the insulation boards being tied into the masonry leaf with an appropriate timber frame wall tie.

Always ensure that fixings are coincident with the underlying timber studs, head rails and sole plates.

The outer leaf of masonry may be constructed in the conventional manner, using appropriate wall ties to hold the two wall leaves together.

 

Dwarf Wall – Insulation Between Studs

To restrain insulation boards from moving within the timber stud cavity, side nail battens to the stud to provide a ‘stop’. This should coincide with board thickness, allowing the
Kingspan Kooltherm® K12 Framing Board to finish flush with the inside surface of the timbers.

Insulation boards that have been individually cut to fit the stud spacings may be temporarily held to the battens with large headed clout nails. An additional restraint to the boards will be provided by a plasterboard lining fixed to the inside face of the timbers. When utilising Kingspan Kooltherm® K12 Framing Board between studwork, the plasterboard lining should be of
the vapour check type or a separate polythene vapour control layer used.

Ensure there is a tight fit between Kingspan Kooltherm® K12Framing Board and the adjoining structure. Fill all gaps with expanding urethane sealant.

 

Timber Clad / Tile Hung Timber Frame Wall

Insulating Sheathing

Where the intended external cladding is to be timber boarding, Kingspan Kooltherm® K12 Framing Board should be temporarily pinned in place with all joints tightly butted.

A breathable membrane e.g. Kingspan nilvent® is applied over the insulation boards and temporarily stapled or pinned in place. Preservative treated softwood counter–battens are
fixed vertically to the wall structure at 600 mm centres. The timber boarding system is then fixed to the counter–battens.

The counter–battens should be fixed at centres to coincide with the timber frame wall studs. Application advice should be sought from the appropriate membrane manufacturer. Timber
boarding should be secured in accordance with the boarding manufacturer’s recommendations.

 

Timber Clad / Tile Hung Timber Frame Wall

Insulation Between Studs

To restrain insulation boards from moving within the timber stud cavity, side nail battens to the stud to provide a ‘stop’. This should coincide with board thickness, allowing the Kingspan Kooltherm® K12 Framing Board to finish flush with the inside surface of the timbers. When utilising Kingspan Kooltherm® K12 Framing Board between studwork, the plasterboard lining should be of the vapour check type or a separate vapour control layer used.

A breathable membrane e.g. Kingspan nilvent® is applied temporarily stapled or pinned in place. Preservative treated softwood counter–battens are fixed vertically to the wall structure at 600 mm centres. Horizontal tile battens are then fixed to the counter–battens to carry the tile hanging system. The counter–battens should be fixed at centres to coincide with the timber frame wall studs. Application advice should be sought from the appropriate membrane manufacturer.

Tile hanging should be secured in accordance with the boarding manufacturer’s recommendations. Ensure there is a tight fit between Kingspan Kooltherm® K12 Framing Board and the adjoining structure. Fill all gaps with expanding urethane sealant.

Tile Hanging

Where the intended external cladding is to be wall tiling, preservative treated softwood counter–battens should be fixed vertically to coincide with the timber studs utilising
appropriate fasteners.

Tile hanging should be secured in accordance with the tile
manufacturer’s recommendations.

Insulated Dry–lining

Please refer to literature for Kingspan Kooltherm® K18 Insulated Dry–lining Board.

Cutting

Cutting should be carried out either by using a fine toothed saw, or by scoring with a sharp knife, snapping the board over a straight edge and then cutting the facing on the other side. Ensure accurate trimming to achieve close butting joints and continuity of insulation.

 

Contact manufacturer

Contact information at the top right of this page. Architects, Designers, Surveyors, et cetera should contact the manufacturers directly

Please note: Minimum order level of £500.00 (ex-VAT) and all deliveries come on 28 ton trucks (large curtain sided lorries).

The product information and specifications above are extracted from the manufacturer's published materials. Please download and fully review the manufacturer's information prior to purchase.