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The use of Porta doors is recommended in accordance with fire protection requirements of the Polish Building Code on the basis of the Ordinance of the Minister of Inftastructure of 12 April 2002 laying down technical conditions to be complied with by the buildings and their sites

Type of building	example of application	Suggested fire rating or smoke control class	Description (symbol of doors compliant with the requirements)
residential buildings (without fire lobby)	entrance doors for flats located in the buildings more than 25 m high (from the the 9th floor up)	EI 30 EI 30/S 60 (Sa, Sm)	KWARC (DT-K32/M) GRANIT typ 2 (DT-PW/II)
hotels, boarding houses	entrance doors for flats located in the buildings more than 12 m high (from the 4th floor up)	EI 30 EI 30/S 60 (Sa, Sm)	42 dB (DT-AW/M, DT-AW/D) EI 30 (DT-K32/M, DT-PP-DY)
residential buildings	doors separating fire areas (buildings without fire lobbies)	EI 30 (wys. do 12 m) EI 60 (wys. pow. 12 m)	EI 30 (DT-K32/M) EI 60 (DT-PP60)
hotels, boarding houses, public buildings		EI 60 (wysokość budynku do 55 m)	EI 60 (DT-PP60)
special applications	boiler room doors	EI 60	EI 60 (DT-PP60)
special applications	garage doors (single-family housing excluded)	EI 30 (wejście z przedsionka ppoż) EI 60	EI 30 (DT-K32/M) EI 60 (DT-PP60)

Note: The Table above shows general fire protection requirements for buildings – the data provided in the Table should be checked and adjusted individually to the given structure.

Recommended use of Porta doors in accordance with the Polish Building Code , depending on the acoustic requirements (acoustic requirements to PN-B-02151:1999)

Type of building	example of application	Acoustic requirements	Recommended by Porta	Description (symbol of doors compliant with the requirements)
Blocks of flats	Flat entrances in the buildings	> Rw 27 dB	Rw 32 dB	AGAT, OPAL, KWARC (DT-K32/M) GRANIT typ 1 i 2 (DT-PW/II)
Higher class hotels	directly from the vestibule to the rooms	Acc. to the design	Rw 32 dB Rw 42 dB	42 dB (DT-AW/M,DT-AW/PS, DT-AW/D) 32 dB (DT-A32/M, DT-A32/PS) EI 30 (DT-K32/M, DT-PP-DY)
Higher class hotels	From the vestibule to internal vestibule, lobby	> Rw 32 dB	Rw 32 dB	32 dB (DT-A32/M, DT-A32/PS) EI 30 (DT-K32/M, DT-PP-DY)
Lower class hotels, Holiday centres	directly from the vestibule to the rooms	> Rw 32 dB	Rw 32 dB	32 dB (DT-A32/M, DT-A32/PS) EI 30 (DT-K32/M, DT-PP-DY)
Lower class hotels, Holiday centres	From the vestibule to internal vestibule, lobby	> Rw 27 dB	Rw 27 dB	27 dB (DT-A27/M, DT-A27/PS)
hotels, Holiday centres	TV, club, conference rooms	Acc. to the design	Rw 42 dB	42 dB (DT-AW/M, DT-AW/PS, DT-AW/D)
halls of residence, boarding houses, boarding homes for aged, sanatoria	directly from the vestibule to the rooms	> Rw 32 dB	Rw 32 dB	AGAT, KWARC (Metal door frame) 32 dB (DT-A32/M) (Metal door frame) EI 30 (DT-K32/M) (Metal door frame)
	From the vestibule to internal vestibule, lobby	> Rw 27 dB	Rw 27 dB	27 dB (DT-A27/M) (Metal door frame)
	TV rooms, reading rooms	Acc. to the design	Rw 42 dB	42 dB (DT-AW/M) (Metal door frame)
Hospitals	Doctor's surgeries	Acc. to the design	Rw 42 dB	42 dB (DT-AW/M) (Metal door frame)
Hospitals	Doctors' and nurses' rooms	Acc. to the design	Rw 27 dB	27 dB (DT-A27/M) (Metal door frame)
Administration and office buildings	Work rooms	> Rw 22 dB	Rw 27 dB	27 dB (DT-A27/M, DT-A27/PS)
	Rooms for concentrated work	> Rw 27 dB	Rw 32 dB	32 dB (DT-A32/M, DT-A32/PS) EI 30 (DT-K32/M, DT-PP-DY)
	Director's offices	> Rw 27 dB	Rw 42 dB	42 dB (DT-AW/M, DT-AW/PS, DT-AW/D)

Improved burglar-proof doors

Type of building	example of application	Suggested burglar-proof class	Description (symbol of doors compliant with the requirements)
residential buildings	Flat entrance doors	klasa B klasa C	OPAL GRANIT typ 1 i 2 (DT-PW/II)

External doors with low heat transfer coefficient

Type of building	example of application	Required heat transfer coefficient	Coefficient determined for Porta doors	Description (symbol of doors compliant with the requirements)
Single-family houses	Building entrance doors	U≤2,6 W/(m2K)	U=2,11 W/(m2K)	GDAŃSK, TORUŃ, SZCZECIN
Single-family housing and flat blocks, public buildings with low and medium traffic	Building entrance doors	U≤2,6 W/(m2K)	U=1,5 W/(m2K) (Glazed doors) U=1,6 W/(m2K) (Doors without glazings)	GDYNIA, WROCŁAW (DZ-F)