Wall Panel Construction
(inside to outside)
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Airtight layer (15mm Egger OSB top)
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EcoBox Studs - 180mm
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Woodfibre Insulation - Air Injected.
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Breathable External Sheathing (15mm Egger DHF)
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Breather Membrane
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Overall Buildup Thickness - 210mm
U-Value = 0.194 W/(m2K)
180mm Ecobox
Section Detail
Cross Section through typical construction buildup
The 180mm EcoBox wall system offers an excellent balance between thermal performance, buildability and efficient use of space. Designed around the engineered EcoBox stud, the system combines structure and insulation within a single coordinated assembly, reducing thermal bridging and delivering improved thermal performance compared to conventional solid timber stud construction.
Built using factory-manufactured EcoBox studs and blown woodfibre insulation, the system creates a highly insulated structural zone while maintaining a relatively slim wall thickness. This makes the 180mm system particularly well suited to new-build homes and extensions where enhanced energy performance is required without significantly increasing the overall wall build-up.
The 180mm EcoBox wall system provides a practical and cost-effective route to low-energy construction, combining robust structural performance, excellent airtightness potential and reduced embodied carbon within a prefabricated timber frame solution.