Straw bale for Carbon Sequestration - International ... · CO 2 Change from LTW Slab Floor House. (kg) 1,031 Wind generator 491 Strawbale floor, walls & ceiling insulation 472 Solar

Straw bale for Carbon Sequestration

Aim: Minimize Life Cycle CO2-e

Emissions

0

500

1000

1500

2000

2500

70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S

No heating . Current levels . Comfort levels

or1 HWT or1 LWT_GND or1 LWT_SUS

or2 HWT or2 LWT_GND or2 LWT_SUS

Singles

0

500

1000

1500

2000

2500

3000

70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S

No heating . Current levels . Comfort levels

or1 HWT or1 LWT_GND or1 LWT_SUS

or2 HWT or2 LWT_GND or2 LWT_SUS

Families

0

100

200

300

400

500

600

700

800

900

70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S

No heating . Current levels . Comfort levels

or1 HWT or1 LWT_GND or1 LWT_SUS

or2 HWT or2 LWT_GND or2 LWT_SUS

DPB

0

500

1000

1500

2000

2500

3000

70C 00A 10D 20S 70C 00A 10D 20S 70C 00A 10D 20S

No heating . Current levels . Comfort levels

or1 HWT or1 LWT_GND or1 LWT_SUS

or2 HWT or2 LWT_GND or2 LWT_SUS

Retired

ZALEH

2.3

2.8

3.3

3.8

4.3

4.8

1971 1981 1991 1996 2001 2003

Ave

rag

e H

ou

seh

old

Siz

eChina

N Ireland

USA

England

NZ

Material Life expectancy

Material Life expectancy

Aluminium windows 35 Steel roofing 50

Concrete in floors 150 Timber, external framing 90

Gypsum plaster board 50 Timber, internal framing 150

Insulation 50 Timber, cladding 70

Paint 8 Solar hot water system 20

Other inputs

• Dimensions

• Material's Life Expectancy

• Paint Rates

• Landfill Carbon Retention

• Waste Rates

-102

352

738

268 271221 179

360

2,288

1970s LTW Slab

-102

388

738

143

271221 179

360

2,198

2000 LTW Slab

-160

389

738

153

271221

179

360

2,151

2000 LTW Suspended floor

-113

404

738

55

271221

179

360

2,116

2010 LTW Slab

-128

572

738

41

271221 179

360

2,254

2 Lightweight Slab

-137

540

738

41

271221 179

360

2,213

3 LTW Slab Concrete tile

-42

845

738

32

271221 179

360

2,604

1 HWT

-64475

738

32

271221 179

360

2213

4 Earth

-187

583

738

33

271221 179

360

2,198

5 LTW Suspended floor

-128591

247

41

271221

179

360

1,781

7 LTW Slab Solar hot water

-326

420

738

41

271221

179

360

1,904

6 Straw bale Slab

-456

361

738

33

271221

179

360

1,708

8 Straw bale Suspended

-504 319247

33

271221

179

360

1,126

10 SB Suspended Shingle SHW

-504299

738

33

271221

179

360

1,598

9 SB Suspended Shingle roof

-502179

247

33

271221

179

360

987

11 SB Susp. Shingle SHW Timber windows

-502273

161

23

155126 112

206

552

12 SB Susp. Shingle SHW TW PV

-510 204161

23

155126 112

206

477

13 SB Susp. Shingle SHW TW PV Low CO2 materials

-510 236

-12

3

-78 -64-25

-104-554

14 SB Susp. Shingle SHW TW PV LM Wind Gen.

19702,287

20002,197 2010

2,115

20202,252

-150

-50

50

150

250

350

450

550

650

750

0

500

1000

1500

2000

2500

Timber Other materials (esp. insulation) Heating Total annual emissions

CO2, kg/year

CO2 Change from LTW Slab Floor House. (kg)

1,031 Wind generator

491 Strawbale floor, walls & ceiling insulation

472 Solar HW

435 PV

349 Straw bale walls and ceiling

171 Efficient fridge

141 Straw bale floor insulation

139 Timber windows

110 Timber shingle roof

110 Efficient lighting

90 2000 vs 1970 insulation

90 Efficient appliances

82 2010 vs 2000 poly insulation

77 Timber linings

76 Low ECO2 materials

51 Suspended v slab

41 Concrete tile roof

41 Earth walls

-56 2020 vs 2000 poly insulation

-138 2020 vs 2010 poly insulation

-350 Heavyweight walls

CO2-e reduction (kg) CO2-e reduction (%)

Efficient appliances 90 4.1

Efficient lighting 110 5.0

Efficient refrigeration 170 7.8

Photovoltaic panels 435 20

Solar hot water heater 472 22

Wind generator 1031 47

Total Annual CO2-e Reductions: Selected Technologies

Annual CO2-e

emissions (kg)

CO2-e

reduction (kg)

CO2-e

reduction (%)

Suspended timber floor, all

polystyrene insulation

2,200 0 0.0

SB ceiling insulation, floor and walls

polystyrene

2,060 135 6.5

SB wall insulation, floor and ceiling

polystyrene

1,990 213 11

SB floor insulation, walls and ceiling

polystyrene

2,060 143 7.0

All strawbale insulation 1,710 491 29

Total Annual CO2-e Emissions and Reductions: Straw Bale Insulation

Total Annual CO2-e Reductions: Bio-Materials

Use: CO2-e reduction (kg) CO2-e reduction (%)

Wider eaves and verges (1 m) 9 0.4

Timber floor v concrete slab 54 2.5

Timber linings v gypsum board 77 3.5

Timber roof shingles v steel 110 5.0

Timber window frames v aluminium 139 6.3

Lightweight wall v concrete masonry 350 16

Strawbale insulation 491 29

Totals 1,230 62.7