Table 2 Decrease in embodied carbon...

Table 2

Decrease in embodied carbon values with the change of window materials (insight simulation)

Construction	Description	Detail level	Thickness (mm)	Thermal performance	Area (m²)	Volume (m³)	Mass (kg)	EC (kgCO₂e)
4 in lightweight concrete	4 in (100 mm) lightweight concrete	Schematic	101.6	U: 1.275	211.36	21.47	41230.83	7283.34
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 0.8108	271.55	55.18	70628.67	21393.46
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 1.361	0.92	0.19	239.31	72.49
Exterior curtain walls	Large single-glazed window	–			12.84			1347.81
Exterior doors	–	–	39.2		18.91			941.52
Exterior skylight	–	–			1.11			116.82
Exterior windows	Large single-glazed window	–		U: 2.9214	60.35			6337.06
Frame partition with 3/4 in	Frame partition with 3/4 in (19 mm) gypsum	Schematic	117.5	U: 1.4733	238.66	28.04	6185.53	5996.87
Interior curtain walls	Large single-glazed windows	–		U: 3.6898	0.13			11.07
Interior doors	–	–	39.2					2447.95
Interior skylight	Large double-glazed windows	–		U: 3.1956	1.11			116.82
Passive floor, no insulation	Passive floor, no insulation, tile	Schematic	12.7	U: 2.9582	191.69	2.43	4674.27	4063.63
R-O metal frame wall	R0 16 in (400 mm) on center metal stud	Schematic	31.8	U: 3.253685	961.32	30.53	24454.27	6877.92
Un-insulated solid	Un-insulated Solid-ground floor	Schematic	212.7	U: 0.7059	76.2	16.21	35332.86	7560.03
Constructions total					2046.15	154.05	182745.7	64566.79
4 in lightweight concrete	4 in (100 mm) lightweight concrete	Schematic	101.6	U: 1.275	211.36	21.47	41230.83	7283.34
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 0.8108	271.55	55.18	70628.67	21393.46
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 1.361	0.92	0.19	239.31	72.49
Exterior curtain walls	Large triple-glazed window	–		U: 1.215	11.88			7271.82
Exterior doors	–	–	39.2		18.91			941.52
Exterior skylight	–	–			1.11			116.82
Exterior windows	Large triple-glazed window	–		U: 1.215	55.82			22792.27
Frame partition with 3/4 in	Frame partition with 3/4 in (19 mm) gypsum	Schematic	117.5	U: 1.4733	238.66	28.04	6185.53	5996.87
Interior curtain walls	Large triple-glazed window	–		U: 1.4733	0.12			69.46
Interior doors	–	–	39.2					2447.95
Interior Skylight	–	–			1.11			116.82
Passive floor, no insulation	Passive floor, no insulation, tile	Schematic	12.7	U: 2.9582	191.69	2.43	4674.27	4063.63
R-O metal frame wall	R0 16 in (400 mm) on center metal stud	Schematic	31.8	U: 3.253685	961.32	30.53	24454.27	6877.92
Un-insulated solid	Un-insulated Solid-ground floor	Schematic	212.7	U: 0.7059	76.2	16.21	35332.86	7560.03
Constructions total					2040.65	154.05	182745.7	87004.4

Construction	Description	Detail level	Thickness (mm)	Thermal performance	Area (m²)	Volume (m³)	Mass (kg)	EC (kgCO₂e)
4 in lightweight concrete	4 in (100 mm) lightweight concrete	Schematic	101.6	U: 1.275	211.36	21.47	41230.83	7283.34
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 0.8108	271.55	55.18	70628.67	21393.46
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 1.361	0.92	0.19	239.31	72.49
Exterior curtain walls	Large single-glazed window	–			12.84			1347.81
Exterior doors	–	–	39.2		18.91			941.52
Exterior skylight	–	–			1.11			116.82
Exterior windows	Large single-glazed window	–		U: 2.9214	60.35			6337.06
Frame partition with 3/4 in	Frame partition with 3/4 in (19 mm) gypsum	Schematic	117.5	U: 1.4733	238.66	28.04	6185.53	5996.87
Interior curtain walls	Large single-glazed windows	–		U: 3.6898	0.13			11.07
Interior doors	–	–	39.2					2447.95
Interior skylight	Large double-glazed windows	–		U: 3.1956	1.11			116.82
Passive floor, no insulation	Passive floor, no insulation, tile	Schematic	12.7	U: 2.9582	191.69	2.43	4674.27	4063.63
R-O metal frame wall	R0 16 in (400 mm) on center metal stud	Schematic	31.8	U: 3.253685	961.32	30.53	24454.27	6877.92
Un-insulated solid	Un-insulated Solid-ground floor	Schematic	212.7	U: 0.7059	76.2	16.21	35332.86	7560.03
Constructions total					2046.15	154.05	182745.7	64566.79
4 in lightweight concrete	4 in (100 mm) lightweight concrete	Schematic	101.6	U: 1.275	211.36	21.47	41230.83	7283.34
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 0.8108	271.55	55.18	70628.67	21393.46
8 in lightweight concrete	8 in (200 mm) lightweight concrete	Schematic	203.2	U: 1.361	0.92	0.19	239.31	72.49
Exterior curtain walls	Large triple-glazed window	–		U: 1.215	11.88			7271.82
Exterior doors	–	–	39.2		18.91			941.52
Exterior skylight	–	–			1.11			116.82
Exterior windows	Large triple-glazed window	–		U: 1.215	55.82			22792.27
Frame partition with 3/4 in	Frame partition with 3/4 in (19 mm) gypsum	Schematic	117.5	U: 1.4733	238.66	28.04	6185.53	5996.87
Interior curtain walls	Large triple-glazed window	–		U: 1.4733	0.12			69.46
Interior doors	–	–	39.2					2447.95
Interior Skylight	–	–			1.11			116.82
Passive floor, no insulation	Passive floor, no insulation, tile	Schematic	12.7	U: 2.9582	191.69	2.43	4674.27	4063.63
R-O metal frame wall	R0 16 in (400 mm) on center metal stud	Schematic	31.8	U: 3.253685	961.32	30.53	24454.27	6877.92
Un-insulated solid	Un-insulated Solid-ground floor	Schematic	212.7	U: 0.7059	76.2	16.21	35332.86	7560.03
Constructions total					2040.65	154.05	182745.7	87004.4

Source(s): Authors' own work

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