IKO – U-Value Calculations – Enerthem PIR Insulation Board

panels have more insulating value; therefore R-values increase with increasing panel thickness. These values are listed in Chapter 25, Table 4 of the 2001 ASHRAE Handbook published by the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE). OSB thickness (inch) R-value 3/8 0.45 7/16 0.51 1/2 0.62 5/8 0.74 3/4 0.91 EcoTherm Insulation Free U-value Calculator | EcoTherm EcoTherm's U-value calculator is simple to use, easy to tweak and provides an instant U-value. Providing you with instant calculations all day, everyday With step by step options and hints and tips along the way, the no jargon U-value calculator takes you through your … Roof Insulation: Kingspan vs Wool??? — MoneySavingExpert Forum Aug 09, 2010 u-values r-values lambda explained here in an easy to

Celotex have discontinued the GA insulation board. Here we explain which product to choose instead and why these changes have come. Buy 50mm Celotex PIR GA, a high performance multi purpose rigid Insulation board used as floor, roof and wall insulation that achieves an A+ rating, least.

Kingspan K7 insulation is available in a range of thickness 25mm, 40mm, 50mm, 70mm, 75mm, 80mm, 100mm, 120mm, 140mm To get the information on K7 Kooltherm insulation range directly from the Kingspan insulation manufacturer click here . Getting to grips with U-values! - TheGreenAge

Nov 13, 2013

Celotex Insulation boards 25mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90 Cobham, Surrey All boards are foiled both sides and branded. Delivery can be arranged depending on quanties and distance at an additional charge. Varies sizes avalible some of which aren't listed. 25mm celotex 1200x2400 sheets Foiled back £12each 50mm celot What is a U-value? | Insulation | Kingspan | Great Britain The lambda value, also portrayed as ‘K-value’ or ‘λ-value’, measures a product’s thermal conductivity in units of W/m·K. A good insulation will have as low a lambda value as possible to reduce heat loss. For example, our new lower lambda products each have a lambda value of 0.018 W/m·K … Ballytherm.co.uk | Ballytherm Ltd Ballytherm PIR Insulation Boards are perfect for insulating your attic, cavity walls and roof, making your home energy efficient and energy saving. Kingspan TR27 Thermaroof Rigid PIR Flat Roof Insulation Boards