To comply with part l of the building regulations 2010 all roofs to rooms except those in unheated buildings should be thermally insulated to a maximum u value of of 0 18 w m k.
Flat roof u value uk.
Get a u value calculation.
Now we know what a u value is and what target u value we need to achieve let s look at what information is needed to calculate a u value.
The saint gobain insulation uk u value calculator gives you instant access to calculating a proposed insulation thickness and product options or giving an indicative calculation on a proposed construction detail.
The u value calculator covers all the main ways of building walls flat roofs pitched roofs and floors using kingspan insulation products.
Insulation for flat roofs pitched roofs and balconies and terraces.
Store u values in member project folders for future reference.
To calculate the u value of a building element such as a wall floor or roof we need to know the build up of that element.
Check out our guide on what performance is required for the uk insulation building regulations.
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 construction build up until each element is included.
Element new build extension renovation.
A lower u value indicates better insulation properties hence u value requirements usually specify a maximum value.
Ecotherm s u value calculator is simple to use easy to tweak and provides an instant u value.
Column a is for extensions where the existing dwelling s walls and roof u values are worse than 0 70 w m k in the walls and worse than 0 25 w m k in the ceiling.
Wales current building regs 2018.
Each building material should be positioned properly in.
Low energy low carbon buildings.
0 25 column a is for extensions where the existing dwelling s walls and roof u values are worse than 0 70 w m k in the walls and worse than 0 25 w m k in the ceiling.
Get a sample pack.
Let us guide you through the three most popular flat roof replacement options and of course how much each will cost.
Column b is for other extensions upgraded existing thermal elements non exempt conservatories and conversion of unheated.
A look at replacement flat roof prices updated may 2020 flat roofs are more likely to leak than any other type of roof covering.
Easy to access calculations.
Column b is for other extensions upgraded existing thermal elements non exempt conservatories and conversion of unheated buildings.