VELUX roof windows

ISG2093 CFP73U

Product assembly for flat roofs including flat glass top unit type ISG 2093 and a fixed bottom unit type CFP 73U

The assembly includes a top unit and a fixed bottom unit. The top unit is type ISG 2093, and the fixed bottom unit is type CFP 0073U with an insulated glazing unit. The top unit consists of aluminium profiles and a toughened glass pane. The frame of the flat roof window is made of white PVC.

The combination of the ISG 2093 top unit and CFP 0073U bottom unit provides a modern architectural appearance, excellent thermal performance and an optimized factory-tested system solution.

IMPORTANT NOTE: This product is subject to regional limitations, please check availability on the "regions" tab.

Technical Highlights

- Installation range: 2°–15° roof pitch

- Laminated security glazing for extra safety ensures the glass will not splinter in the event of breakage

- Low-energy double glazing with two low-emissivity coatings

Size Table (all dimensions in mm)

Code	Sa	Sb	Fa	Fb	La	Lb	Ra	Rb	Ea	Eb	Aa	Ab
60060	435	435	463	463	559	559	600	600	780	780	784	784
60090	435	735	463	763	559	859	600	900	780	1080	784	1084
80080	635	635	663	663	759	759	800	800	980	980	984	984
90090	735	735	763	763	859	859	900	900	1080	1080	1084	1084
90120	735	1035	763	1063	859	1159	900	1200	1080	1380	1084	1384
100100	835	835	863	863	959	959	1000	1000	1180	1180	1184	1184
100150	835	1335	863	1363	959	1459	1000	1500	1180	1680	1184	1684
120120	1035	1035	1063	1063	1159	1159	1200	1200	1380	1380	1384	1384

Table legend:

Sa/b - Sash aperture,

Fa/b - Frame aperture,

La/b - Lining groove,

Ra/b - Roof opening,

Ea/b - External frame,

Aa/b - Top glazing unit

For more guidance, please download the DWG and PDF documents with the detailed cross sections of the product with dimension lines!

Code	La (m)	Lb (m)	Effective daylight area (m²)
60060	0.559	0.559	0.31
60090	0.559	0.859	0.48
80080	0.759	0.759	0.58
90090	0.859	0.859	0.74
90120	0.859	1.159	1.00
100100	0.959	0.959	0.92
100150	0.959	1.459	1.40
120120	1.159	1.159	1.34	---------------

规格

Window characteristics	CFP 0073U + ISG 2093
Air permeability, [class]	4
Thermal transmittance Urc,ref300 (CE-marked) (U-value)	0.82
Arc, ref300 (U-value transmission area)	3.7
Light transmittance (τv) (t)	0.74
Sound insulation (Rw) Rw,dB [dB]	36
Total solar energy transmittance (g-value) (g)	0.59
Ultraviolet transmittance (τuv) (tuv)	0.05
Burglar resistance window [class]	NPD
Frame factor	0.26
Air permeability, [class]	4
Reaction to fire [class]	B-s1,d0
Bonding of cover glass (glass of top unit) [class]	ΔX≥0.75
External fire performance - European [class]	NPD
External fire performance - British [class]	N/A
Impact resistance [class]	3
Impact resistance large soft body [class]	SB 1200
Impact resistance small hard body [class]	N/A
Rain noise (Lia)	<It/> 50 dB
Resistance to downward loads	N/A
Resistance to fire [class]	NPD
Resistance to snow load	*
Resistance to upward load	N/A
Resistance to wind load [class]	C3
Water tightness [class]	9A

Code	ISG 2093 Net Weight (kg)	CFP 0073U Net Weight (kg)	Total Assembly Weight (kg)
060060	11.065	23.758	34.823
060090	14.367	30.619	44.986
080080	15.796	34.447	50.243
090090	18.570	40.362	58.932
090120	22.771	49.347	72.118
100100	21.385	46.408	67.793
100150	33.504	63.522	97.026
120120	27.872	56.472	84.344

技术规格

唯一参考ISG2093-CFP73U
产品系列CFP with ISG2093
产品组Flat Roof Window Generation 1 with ISG2093
类型集合（多个对象）
发布日期2026-07-01
版本号1

链接

欧洲	亚洲
丹麦	土耳其
乌克兰
保加利亚
克罗地亚
匈牙利
塞尔维亚
奥地利
意大利
拉脱维亚
挪威
斯洛文尼亚
法国
波兰
波斯尼亚黑塞哥维那
爱沙尼亚
瑞典
立陶宛
罗马尼亚
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