We provide uvalue calculations to show compliance with current building regulations standards and best practice. For insulation of ground floors and exposed floors incorporating underfloor heating. For more information, see our articles and how to videos below. The quick, free and easy way to find out the insulation thickness and the u value you need for your building project. So the u value is a measure of how well a material transmits heat. K will lose twice as much heat as one with a u value of 2. Which energy efficient windows are best for an ecohome. The lower the u value the less heat you lose through your windows. If you have a target u value in mind, then the calculator will give you the thickness of insulation needed.
A uvalue is a sum of the thermal resistances of the layers that make up an entire building element for example, a roof, wall or floor. Get kingspan uvalue calculator microsoft store engb. This u value calculator covers all the main ways of building walls, flat roofs, pitched roofs and floors using kingspan insulation. The glazing units consist of 2 aluminium frames frame and counterframe on which 6mm laminated glass is glued and siliconed on both sides. With an aged design value thermal conductivity of 0. Tips for installing kingspan k5 insulation youtube. I nt er ald u cw ok ip r m s,b h s v a kingspan kool duct. K, the kingspan dormer system provides an insulating performance that is up to five times. The new application features over 6,000 calculations, all approved under the bbatimsa competency scheme. Kingspan insulation unveils uvalue calculator app news.
Kingspan k5 is new to our product lineup, so weve put together a few tips for installers to bear in mind when installing this type of insulation as part of external wall insulation systems. A quick and easy guide to uvalues, how to calculate uvalues and thermal resistance with resources for further. Oct 14, 2015 what are lambda values, r values and u values. In simple terms, the lower the uvalue number, the better the thermal. Get kingspan uvalue calculator microsoft store enie. By continuing to browse this site, you agree to this use. The uvalue assesses the rate of heat loss gain through all the thicknesses of the combined elements that make up a building component. The requirements for the conservation of fuel and power, which includes thermal insulation, in buildings in england are detailed in approved documents ad l1a, l1b, l2a and l2b to the building regulations 20 which come into effect on 6th april 2014. Designed for homes achieving windows under the elemental method of the new part l for doors that are halfglazed, the u value is the average of the appropriate window u value and that of the nonglazed part of the door e. Welcome to the kingspan insulation uvalue calculator. Scot hayes of new york sash talks about energy ratings on windows.
All content is posted anonymously by employees working at kingspan. New uvalue calculator app for ios, android and windows. Giving a link which says that different thicknesses of kingspan give different u values isnt a great deal of use is it. For extensions and material change of use, windows, doors and rooflights should have maximum uvalue of 2. Mar 15, 2018 the typical uvalues on windows is a measurement of heat loss and the rate at which it is lost. Part l of the uks building regs covers conservation of fuel and power and sets a maximum uvalue for building work, i. Uvalues indicate the overall performance in retaining heat and preventing it from escaping to the outside. If youre new to the industry, youll soon discover that the word value is thrown around like theres no tomorrow. Kingspan insulation part l building regulations 20. Column a is for extensions where the existing dwellings walls and roof u values are worse than 0. Accurate and reliable uvalue assessment of argonfilled. We provide uvalue calculations freeofcharge to show compliance with current building regulations, standards and best practice. U value calculator calculate u values, browse libraries of materials and construction types.
Architects and specifiers are now increasingly asking for the thermal transmittance values of windows, so that they can calculate the sap ratings of the buildings where the windows are to be fitted. To ensure that the enerphit performance standards were met, tripleglazed windows were installed on the studio in. Jul 09, 2007 chassy boy, i think you will find that mateyboy asked what thickness he needed to meet the correct u value. Kingspan insulation has launched a new uvalue calculator app, featuring over 6,000 calculations all approved under the bbatimsa. Because wholebuilding energy calculations can take account of many factors, uvalues in some elements exceed the values shown in the list above and can be compensated for elsewhere in the design. Uvalue is the measure of the overall rate of heat transfer, by all mechanisms under standard conditions, through a particular section of construction. For southfacing windows in temperate or cooler climates like ours, a g value of 0.
Please start your calculation below or if this is the first time you have used this tool, heres a few things to. The quick and easy way to find out the insulation thickness and the u value you need for your building project. Kingspan uvalue calculator by kingspan insulation ltd. U value is a means of comparing the heat lost through various parts of a building. More often than not, this value is accompanied by a letter which. K, the ability of an element to transmit heat from a warm space to a cold space in a building, and vice. Obviously, the insulation material will improve the u value. For windows it turns out that the range of values typically seen mean it makes more sense to use u values. Uvalue calculator uvalue calculator for windows and doors. Uvalue calculations insulation kingspan great britain. U value calculator is a handy software tool with which you can easily calculate the u value of any construction type. Flushglaze 4500 satisfies an ever increasing need to integrate architectural window systems with horizontal panel joinery. This can be achieved with hardcoat lowe see below or clear glazing. Flushglaze 4500 integrated window system flushglaze 4500 satisfies an ever increasing need to integrate architectural window systems with horizontal panel joinery.
So as the rvalue goes up the u value goes down and as the rvalue goes down the u value goes up. The intuitive interface will be familiar to anyone whos used kingspans popular online uvalue calculator uk. We offer a freeofcharge u value and condensation risk calculation service to demonstrate compliance with building regulations standards and best practice. It also includes adjustments for any fixings or air gaps.
The aluminium frame is available in ral 9002 or ral 9010 colours as standard. So in each section below we are going to examine each of the different elements and their typical uvalues, we will then show you how to achieve the best possible uvalues as stipulated in the building regulations part l. The uvalue calculator covers all the main ways of building walls, flat roofs, pitched roofs and floors using kingspan insulation products. The best currently available is the val u therm system available from scotframe with a u value of 0. Column b is for other extensions, upgraded existing thermal elements, nonexempt conservatories and conversion of unheated buildings. About 60% of energy losses from building envelope is attributed to windows, hence accurate and reliable thermal resistance evaluation of glazed areas is of vital importance for a sensitive energy demand analysis of buildings. What is rvalue, uvalue and how do they relate to insulation. For material alterations, the uvalue relate to the new works. U value calculator is able to calculate the u value for timber framed windows and doors at a very reasonable cost. Ultratech semiflush windows windows are designed as semiflush mounted glazed frame for 60, 80 or 100mm versatile panel systems. Now i assume that the correct u value would be the one in building regs. Jul 29, 2018 so r value and u value are both ways of expressing the same physical tendency, from a different point of view.
Kingspan insulation is taking uvalue calculations mobile with a free app for apple, android and windows devices. Large westfacing windows should be coated with lowe to a g value less than 0. Thermal simulation report report vent results window configuration as per ggf document 2. For example, a singleglazed window might have a u value of 6. Mar 28, 2016 kingspan insulation is taking uvalue calculations mobile with a free app for apple, android and windows devices. Sometimes it makes more sense to use u values than r values. Next generation construction techniques high r value walls duration. Kooltherm k18 insulated plasterboard in the uvalue calculations for figures 1a, 1b, 1c, 1d. In new constructions, the kingspan dormer system could significantly enhance uvalues in an area that may otherwise be accepted as denigrating the overall thermal performance. If you have a target u value in mind, then the calculator will. Uvalue assessment is a significant process to be able to evaluate the thermal insulation performance of building materials notably windows. An introduction to lambda values, r values and u values. The easiest way of getting a u value calculation is by using our free online u value calculator. The product is manufactured with a blowing agent that has zero ozone depletion potential odp and low global warming potential gwp.
Much of these calculations can be carried out using a sap software. Download this app from microsoft store for windows 10 mobile, windows phone 8. A quick and easy guide to uvalues first in architecture. The 412 or 6 deep storefront design system is ideal for continuous run fixed strip windows that are flush with the plane of the panels. This applies to home extensions and other renovation projects. But not to an unreasonable extent there are limits set out in the building regulations. Sep 19, 2011 scot hayes of new york sash talks about energy ratings on windows. The u value calculator covers all the main ways of building walls, flat roofs, pitched roofs and floors using kingspan insulation products. This site uses cookies for analytics, personalized content and ads. Understanding and measuring uvalues has become increasingly important as we aim to improve the sustainability and performance of our buildings. Uvalues are measure in watts per square metre kelvin, or wm2 k.