RECOMENDED BUILDING APARATURE SIZES

Below we provide the required rough opening dimensions for the various types of door frames and the nominal door sizes.

Door Frames for Interior Doors

Panel Door Frame / Panel Fire‑Resistant Door Frame

Minimum wall thickness for panel door frame: 6 cm
Minimum wall thickness for fire‑resistant door frame: 10 cm

Single‑leaf door – Opening width relative to door dimensions: +10 cm (±1 cm)

Nominal Door Width	Opening Width
600 mm	700 mm ± 10 mm
700 mm	800 mm ± 10 mm
800 mm	900 mm ± 10 mm
900 mm	1000 mm ± 10 mm
1000 mm	1100 mm ± 10 mm
1100 mm	1200 mm ± 10 mm

Double‑leaf door – Opening width relative to door dimensions: +11 cm (±1 cm)

Nominal Door Width	Opening Width
1250 mm	1360 mm ± 10 mm
1450 mm	1560 mm ± 10 mm
1600 mm	1710 mm ± 10 mm
1650 mm	1760 mm ± 10 mm
1800 mm	1910 mm ± 10 mm

Nominal Door Height	Opening Height
1970 mm	2020 mm ± 10 mm
2097 mm	2150 mm ± 10 mm

Cased Door Frame for Flush Doors

Opening width relative to door dimensions: +10 cm (±1 cm)
Opening height relative to door dimensions: +5 cm (±1 cm)
Minimum wall thickness: 10 cm
Not applicable for framed doors.

Nominal Door Width	Opening Width
600 mm	700 mm ± 10 mm
700 mm	800 mm ± 10 mm
800 mm	900 mm ± 10 mm
900 mm	1000 mm ± 10 mm
1000 mm	1100 mm ± 10 mm
1100 mm	1200 mm ± 10 mm

Nominal Door Height	Opening Height
1970 mm	2020 mm ± 10 mm
2097 mm	2147 mm ± 10 mm

Concealed Door Frame for Flush Doors

Opening width relative to door dimensions: +13.5 cm
Opening height relative to door dimensions: +6.35 cm
Minimum wall thickness: 7.5 cm
Not applicable for framed doors.

Nominal Door Width	Opening Width
600 mm	735 mm
700 mm	835 mm
800 mm	935 mm
900 mm	1035 mm
1000 mm	1135 mm
1100 mm	1235 mm

Nominal Door Height	Opening Height
1970 mm	2033.5 mm
2097 mm	2160.5 mm

Cased Door Frame for Reverse Doors

Opening width relative to door dimensions: +13 cm (±1 cm)
Opening height relative to door dimensions: +7 cm (±0.5 cm)
Minimum wall thickness: 8 cm
Not applicable for framed doors.

Nominal Door Width	Opening Width
600 mm	730 mm ± 10 mm
700 mm	830 mm ± 10 mm
800 mm	930 mm ± 10 mm
900 mm	1030 mm ± 10 mm
1000 mm	1130 mm ± 10 mm
1100 mm	1230 mm ± 10 mm

Nominal Door Height	Opening Height
1970 mm	2040 mm ± 5 mm
2097 mm	2167 mm ± 5 mm

Concealed Door Frame for Reverse Doors

Opening width relative to door dimensions: +16.1 cm
Opening height relative to door dimensions: +7.85 cm
Minimum wall thickness: 7.5 cm
Not applicable for framed doors.

Nominal Door Width	Opening Width
600 mm	761 mm
700 mm	861 mm
800 mm	961 mm
900 mm	1061 mm
1000 mm	1161 mm
1100 mm	1261 mm

Nominal Door Height	Opening Height
1970 mm	2048.5 mm
2097 mm	2175.5 mm

Door Frames for Entrance (Security) Doors

Steel Door Frame RC2 (Single‑leaf) / AHP RC2 (Double‑leaf)

Clear rough opening in drywall
Recommended opening width relative to door dimensions: +6.5 cm (±0.2 cm)
Recommended opening height relative to door dimensions: +3.5 cm (±0.2 cm)

Nominal Door Width	Recommended Opening Width	Minimum Opening Width	Maximum Opening Width
600 mm	665 mm ± 2 mm	663 mm	680 mm
700 mm	765 mm ± 2 mm	763 mm	780 mm
800 mm	865 mm ± 2 mm	863 mm	880 mm
900 mm	965 mm ± 2 mm	963 mm	980 mm
1000 mm	1065 mm ± 2 mm	1063 mm	1080 mm
1100 mm	1165 mm ± 2 mm	1163 mm	1180 mm

Nominal Door Height	Recommended Opening Height	Minimum Opening Height	Maximum Opening Height
1970 mm	2005 mm ± 2 mm	2002 mm	2015 mm
2097 mm	2135 mm ± 2 mm	2132 mm	2145 mm

Rough opening in masonry wall
Recommended opening width relative to door dimensions: +7 cm (±0.7 cm)
Recommended opening height relative to door dimensions: +4 cm (±0.7 cm)

Nominal Door Width	Recommended Opening Width	Minimum Opening Width	Maximum Opening Width
600 mm	670 mm ± 7 mm	663 mm	680 mm
700 mm	770 mm ± 7 mm	763 mm	780 mm
800 mm	870 mm ± 7 mm	863 mm	880 mm
900 mm	970 mm ± 7 mm	963 mm	980 mm
1000 mm	1070 mm ± 7 mm	1063 mm	1080 mm
1100 mm	1170 mm ± 7 mm	1163 mm	1180 mm

Nominal Door Height	Recommended Opening Height	Minimum Opening Height	Maximum Opening Height
1970 mm	2010 mm ± 7 mm	2002 mm	2015 mm
2097 mm	2140 mm ± 7 mm	2132 mm	2145 mm

Steel Door Frame RC3 (Single‑leaf) / AHP RC3 (Double‑leaf)

Clear rough opening in drywall
Recommended opening width relative to door dimensions: +6.6 cm (±0.2 cm)
Recommended opening height relative to door dimensions: +3.5 cm (±0.2 cm)

Nominal Door Width	Recommended Opening Width	Minimum Opening Width	Maximum Opening Width
600 mm	666 mm ± 2 mm	664 mm	680 mm
700 mm	766 mm ± 2 mm	764 mm	780 mm
800 mm	866 mm ± 2 mm	864 mm	880 mm
900 mm	966 mm ± 2 mm	964 mm	980 mm
1000 mm	1066 mm ± 2 mm	1064 mm	1080 mm
1100 mm	1166 mm ± 2 mm	1164 mm	1180 mm

Nominal Door Height	Recommended Opening Height	Minimum Opening Height	Maximum Opening Height
1970 mm	2005 mm ± 2 mm	2002 mm	2015 mm
2097 mm	2135 mm ± 2 mm	2132 mm	2145 mm

Rough opening in masonry wall
Recommended opening width relative to door dimensions: +7.1 cm (±0.7 cm)
Recommended opening height relative to door dimensions: +4 cm (±0.7 cm)

Nominal Door Width	Recommended Opening Width	Minimum Opening Width	Maximum Opening Width
600 mm	671 mm ± 7 mm	664 mm	680 mm
700 mm	771 mm ± 7 mm	764 mm	780 mm
800 mm	871 mm ± 7 mm	864 mm	880 mm
900 mm	971 mm ± 7 mm	964 mm	980 mm
1000 mm	1071 mm ± 7 mm	1064 mm	1080 mm
1100 mm	1171 mm ± 7 mm	1164 mm	1180 mm

Nominal Door Height	Recommended Opening Height	Minimum Opening Height	Maximum Opening Height
1970 mm	2010 mm ± 7 mm	2002 mm	2015 mm
2097 mm	2140 mm ± 7 mm	2132 mm	2145 mm

News

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New décors of finish foil has been added to our assortment

Décors ryfla oak and coffee oak are valid for these models: SOLID DOORS (with soft edge) and VERTIKA GLASS (with soft edge). Of course you can purchase a door frame with the same décor.