Made to measure timber frame structures for Houses, Extensions, Commercial construction and more

Insulation options

We offer various different levels of insulation to external walls, including factory fitting, to suit your requirements and budget. External wall insulation packages generally include insulation to internal partitions and to intermediate floors. We also offer different levels of roof insulation. Some typical specifications are shown below:

Wall Insulation Package A: U-value 0.10 W/m²K

50 mm PIR to line the external face of the external wall panels

120 mm PIR between studs to external wall panels

30 mm PIR to line the internal face of the external wall panels with taped joints
25 x 50 mm service zone battens to internal face of external wall panels
90 mm Frametherm roll insulation to all internal partitions

150 mm mineral wool roll insulation to intermediate floor voids

 

Wall Insulation Package B: U-value 0.13 W/m²K

120 mm PIR between studs to external wall panels

50 mm PIR to line the internal face of the external wall panels with taped joints

25 x 50 mm service zone battens to internal face of external wall panels

90 mm Frametherm roll insulation to all internal partitions

150 mm mineral wool roll insulation to intermediate floor voids

 

Wall Insulation Package C: U-value 0.20 W/m²K

120 mm PIR between studs to external wall panels

25 x 50 mm service zone battens to internal face of external wall panels

90 mm Frametherm roll insulation to all internal partitions

150 mm mineral woll roll insulation to intermediate floor voids

 

Wall Insulation Package D: U-value 0.24 W/m²K

140 mm Frametherm roll insulation between studs to external wall panels
Reflective foil VCL to internal face of external wall panels

25 x 50 mm service zone battens to internal face of external wall panels

90 mm Frametherm roll insulation to all internal partitions

150 mm mineral wool roll insulation to intermediate floor voids

 


Roof Insulation Package A: U-value 0.10 W/m²K (flat ceilings)

450 mm mineral wool roll insulation (3 x 150 mm)

 


Roof Insulation Package B: U-value 0.13 W/m²K (sloping ceilings)

120 mm PIR between the rafters

50 mm PIR below the rafters

25 x 50 mm service zone battens

 

Roof Insulation Package C: U-value 0.18 W/m²K (sloping ceilings)

100 mm PIR between the rafters
50 mm PIR below the rafters
25 x 50 mm service zone battens