The required u value will depend on the location of the project england scotland or wales type of building domestic or non domestic and the application floor wall or roof.
Scottish building regulations roof insulation.
The regulations state that generally if renovating a thermal element a roof or wall for instance there are certain specific u values that need to be met usually by the provision of extra insulation.
The applicable building regulations require minimum u values to be achieved.
If you are replacing more than 25 of the roofing area then you will also need to replace the thermal insulation.
Unsure what level of thermal performance you require.
New existing buildings domestic section 6 scotland the relevant building regulation relating to insulation in scotland is section 6 energy of the scottish standards which states that every building must be designed and constructed in such a way that an insulation envelope is provided which reduces heat loss.
Check out our guide on what performance is required for the uk insulation building regulations.
Ecotherm has compiled a summary of the insulation related elements of these documents and provided u values that will help achieve compliance.
Where scottish ministers consider it unreasonable that the provision should apply they can issue a direction.
Building standards technical handbook 2017.
The building standards technical handbooks provide guidance on achieving the standards set in the building scotland regulations 2004 and are available in two volumes domestic buildings and non domestic buildings.
Building regulations scotland supporting documents are available from the government that provide detailed information on each section of the building regulations and standards.
Building regulations and standards set the levels of thermal insulation required when carrying out building work either for new build or refurbishment projects.
Since 1st october 2015 scottish construction has been taking a significant step closer to zero carbon building with the introduction of 2015 versions of the building standards incorporating a significant uplift in requirements for section 6 for both domestic and non domestic buildings alongside a new section 7 sustainability.
For any particular building or description of building a person may apply to scottish ministers for a direction to either relax or dispense with a provision of the building regulations relating to building standards using the model form.