The flashings are available in exactly the same sizes as the roof windows. The only exception is the combi flashing, which is only available in size M6A (78 x 118 cm) and M8A (78 x 140 cm).

In the table you can see the roof window sizes available.

Dimensions in mm	550	660	780	1140
780	C2A
980	C4A		M4A
1180		F6A	M6A	S6A
1400			M8A

The combination of flashing type and flashing size provides you with a code, which you should use to find the correct product in the store. An example of a flashing code is "TF M4A".

	C2A	C4A	F6A	M4A	M6A	M8A	S6A	Height of roofing material
Slate flashing	SFC2A	SFC4A	SFF6A	SFM4A	SFM6A	SFM8A	SFS6A	0-16 mm
Tile flashing	TFC2A	TFC4A	TFF6A	TFM4A	TFM6A	TFM8A	TFS6A	16-90 mm
Combi flashing for
100mm rafters					TCM6A13E	TCM8A13E		16-90 mm