Insulation Boards

Kooltherm K7 Pitched Roof Board

Kingspan Kooltherm K7 Pitched Roof Board image
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Kingspan Kooltherm K7 Pitched Roof Board image
Full fill unventilated pitched roof with insulation between and under rafters
Partial fill unventilated pitched roof with insulation between and under rafters
Unventilated pitched roof with insulation between and over rafters and sarking board

Premium performance pitched roof insulation

Kingspan Kooltherm K7 Pitched Roof Board is a premium performance pitched roof insulation that provides a thermal conductivity between 0.020 W/mK and 0.023 W/mK.

With a fibre-free rigid thermoset phenolic core and a low emissivity foil outer face, Kingspan Kooltherm K7 delivers superior thermal performance with easy to handle rigid boards, resulting in an efficient installation process.

Manufactured with a blowing agent that has zero ODP and low GWP, it s used to insulate tiled or slated pitched warm roof spaces. 

Product brochure

Our product brochures include U-value tables, handling advice and installation guidance.

Kooltherm K7 Pitched Roof Board

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Technical & downloads

Thermal conductivity  0.023 W/mK (insulant thickness 15−24 mm)
0.021 W/mK (insulant thickness 25–44 mm)
0.020 W/mK (insulant thickness ≥ 45 mm)
Euroclass F
Facings Low emissivity composite foil
Core Premium performance rigid thermoset phenolic insulation manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP)
Board size 1.2 x 2.4 metres
 
Weight Approx 3.92 kg/m2 at a thickness of  100 mm

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How to install Kingspan Kooltherm K7

We have a range of videos which give installation guidance.

Visit Kingspan Insight

Certification and specification information

How to insulate pitched roof at rafter level

Why you can’t just insulate between the rafters

22 June 2018
How to insulate a loft conversion

How to insulate a loft conversion

26 April 2017
How to insulate a pitched roof at rafter level

How to insulate a pitched roof at rafter level

12 April 2017
Why you need two layers of attic insulation

Why you need two layers of attic insulation

21 April 2016

Regulatory information

Sustainability

Net Zero Energy / Renewable Energy Kingspan Kooltherm K7 is manufactured in our Pembridge, Herefordshire facility. By the end of 2020, 100% of the non-renewable operational energy used in manufacturing processes in this site will be matched through the use of renewable energy and the purchase of renewable energy certificates (to offset any remaining non-renewable energy use). Visit our Net Zero Energy area to learn more.
Net Zero Carbon manufacturing Our groupwide aim is to achieve net zero carbon (CO2e) emissions (scope 1 & 2) from our manufacturing activities by the end of 2030. For more info, visit Planet Passionate.
Waste to Landfill At Pembridge, we currently send 7.9% of our manufacturing waste to landfill. We are working to achieve total landfill diversion in the next year.
Our Planet Passionate goal is to send zero waste to landfill by 2030.
 
Responsible sourcing This product is certified 'Excellent' to BES 6001 (Framework Standard for the Responsible Sourcing of Construction Products) for our Pembridge manufacturing site. 
Kingspan Kooltherm K7 is manufactured in one site and offers the following sustainability performance.

Responsible sourcing

Kingspan Kooltherm K7 produced at Kingspan Insulation’s Pembridge, Herefordshire manufacturing facility is certified to BES 6001 (Framework Standard for the Responsible Sourcing of Construction Products) ‘Excellent’.

Certificates

Planet Passionate
Through our new Planet Passionate 10-year groupwide sustainability programme, we aim to make significant advances in the sustainability of our business and of our products.

Case studies

CaseStudy_HopeHouse_01_K7_K108_UK

Hope House

Grade 2 listed Hope House has been refurbished and expanded to provide beautiful new accommodation opportunities.
CaseStudy_GreatMarlborough_02_K7_K107

6 Great Marlborough Street

A Victorian mill transformed into CAT-B office space with a retrofit featuring premium performance roof insulation.
Fairways

Fairways

A range of premium and high performance products has been installed on a stunning new beachfront home on the Isle of Wight, featured on Grand Designs.
CaseStudy_LenaGardens_01_K7_K12_UK.jpg

Lena Gardens Passivhaus

Lena Gardens Passivhaus
CaseStudy_ReedsMill_01_K7_K12_K18_TF70_UK.jpg

Reeds Mill

Over 900 m² of Kooltherm and Therma products were installed as part of the restoration of a 19th century windmill, as featured on Channel 4’s Restoration Man series.

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