Brown Hill house
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House Notes – Brown Hill house
14A is at rear of 14. The house is designed under passive solar principals facing due North, with emphasis on correct placement of double glazed windows, extensive use of insulation, concerted effort in gap sealing and inclusion of thermal mass.
The exterior wall cladding is 100 mm thick sandwich panel with Colorbond exterior surface. This is fixed to a timber frame with a 30 mm air gap between the sandwich panel and the timber frame. Spray in foam has been applied in to all the exterior timber frames, in the gable ends and under the Colorbond roof, providing excellent insulation and gap sealing. The exterior walls have a combined insulation value of R7.4 and the roof (with spray in foam under tin and R6 batts on the plaster) at R11.
Edge of slab insulation was installed to reduce heat transfer between slab and surroundings, rated at R1.8.
Internally have also installed a manufactured phase change product in some walls and ceiling for additional thermal mass.
Double-glazed windows used UPVC frames, are Argon gas filled with a 18 mm air gap.
Low-energy LED lighting is used throughout. A 4.2K grid connected PV and an evacuated tube hot water system are installed. There is 45,400 litres in rainwater tank storage.
A mechanical and sealable air exchange system is installed to exhaust hot air from the roof cavity in hot periods.
Extensive use of second hand materials where possible, including light fittings, some doors, laundry cabinetry and vanity, shelving, door hardware for internal doors, toilets, skirting boards and architraves.
The house was built to meet BAL29 Bushfire requirements.
Sustainability Features
- Energy efficiency:
- Efficient lighting
Draught proofing
Efficient appliances
Energy monitoring
- Passive heating cooling:
- Shading
Cross ventilation
- Water heating:
- Solar hot water (evacuated tube)
- Water harvesting and saving features:
- Above ground storage
Stormwater management
Low flow shower heads
Low flow taps
- Above ground rainwater storage Type:
- Poly water tanks
- Above ground rainwater storage Size
- 45,000 L
- Recycled and reused materials:
- Most light fittings and door hardware, all wardrobe doors, 1 vanity, WIR shelving, secondhand insulation batts, materials for skirting boards and architraves.
- Sustainable materials:
- Ecocrete used in house slab
- Recycled and reused materials:
- Doors
- Insulation Type:
- Ceiling
Internal and external walls
Floor
- Ceiling Type:
- Spray in Polyurethane foam under colorbond roof and R6 fibreglass batts on plaster. On ceiling plaster under batts is a layer of Phase change Material which creates a thermal mass layer.
- Ceiling Rating:
- R11
- Floor Type:
- Slab on ground with edges of slab insulation
- Floor Rating:
- Edge of slab insulation R1.8
- Internal / External Walls Type:
- External walls are 100 mm Insulated panel with a 30mm gap, sisilation and then a stud wall filled with spray in Polyurethane foam. Exterior surface is Colorbond. Interior walls are stud and plaster with insulation batts.
- Internal / External Walls Rating:
- Exterior R7.4, interior R2.6. PCM in some walls for thermal mass.
- Energy star rating:
- 7.6 stars
- Renewable energy used:
- Solar PV grid connect
- House Size
- 166
- Window and Door Types
- Double glazing
- Universal Design Features
- Multi-generational
- Number of bedrooms
- 3
- Number of bathrooms
- 2
- Garden / Outdoors
- Native plants
- Housing Type:
- Standalone House
- Project Type:
- New Build
- Builder
- Owner built
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