External Walls U-Values
(typical buld up and min requirement for A3-A2 rating)
External Surface Values 0.05 Ext Render on Cement Board 0.04 100mm Ext Insulation (EPS) 2.85 45mm Timber Structure 0.35 150mm Metac Insulation (in 150mm timberframe) 4.4 52.5mm Insulated Board 1.9 Internal Surface 0.1 Total Resistance (m2K/W) 9.69 U-Value (W/m2K) 0.1
100mm ROLL ACOUSTIC INSULATION (in 100mm Timber frame)
Roof & Ceiling
Roof Ceiling U-Values (typical buld up and min requirement for A3-A2 rating)
Resistance (m2K/W) Metal Profile Tile Effect 0.05 Cavity Attic Space 0.17 400mm Earthwool Insulation 9.09 12.5mm Internal Plasterboard 0.06 Internal Surface 0.1 Total Resistance (m2K/W) 9.47 U-Value (W/m2K) 0.11
PVC Colour Windows & External Doors
U value for PVC doors U = 1.42 W/m²K
U value for PVC windows U = 1.3 W/m²K
Delivery & Build on pre-prepared foundation base.
Construction and U-Value Certs
Project does not include:
Base and finished floors
Substructure Ground Floor U-Values (typical buld up and min requirement for A3-A2 rating)
Resistance (m2K/W) Ground Values 0.05 150mm PIR Insulation 6.8 150mm Concrete Slab 0.07 22mm Timber Flooring 0.17 Internal Surface Values 0.15 Total Resistance (m2K/W) 7.24 U-Value (W/m2K) 0.14
- Plaster Skimming both internal & external
- Plumbing & Heating
- Internal Joinery
Barrow Timber Frame 8m x 12m
€0 (Price t.b.c.)
If you’re looking for a contemporary design bungalow built with energy costs and space efficiency in mind, the Barrow Timber Frame is the model for you.
Sleek, modern bungalow design. Perfect two bed size. A2 BER. Ready for planning.