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Series 90
The economical option. Configured with 90 mm insulated framing, plus the 45 mm insulated service cavity.
Performance
Terra Lana insulation theoretical R value 3.2.
Knauf Earthwool insulation theoretical R value 4.2.
Series 140
Our most popular option. Configured with 140 mm insulated framing, plus the 45 mm insulated service cavity.
Performance
Terra Lana insulation theoretical R value 4.4.
Knauf Earthwool insulation theoretical R value 5.5.
Series 200
The ultra efficient option. Configured with 200 mm insulated framing, plus the 45 mm insulated service cavity.
Performance
Knauf Earthwool insulation theoretical R value 6.7.
Optional to any series - expanded cork or wood fibre insulation panel added under the weathertight membrane.