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The standard finish for aluminium grilles is silver elox. Other models are available in dark and light bronze elox. Other RAL colour chart colours are available as powder coating. 

Aluminium elox grilles are suitable for dry and humid environments (where installed in humid environments, grilles must be cleaned regularly with clean water and thoroughly dried). They are available in roll-up and linear models. Both roll-up and linear grilles are supplied as a whole. Decorative frame covers may be chosen using the same colour scheme as grilles, and are supplied as a component of trench heaters.

Hlinikove mrizky - profil

Roll-up model

Hlinikove mrizky - rolovaci provedeni_1               


Roll-up aluminium silver 


Roll-up aluminium dark bronze
fk_mrizka_AL_tmavý bronz
Roll-up aluminium light bronze

fk_mrizka_AL_světlý bronz

Roll-up aluminium black elox - NEWS


    picto info   The grille can be rolled up for easier handling.

Linear model

Hlinikove mrizky - linearni provedeni_1

Linear aluminium silverfk_mrizka_AL_stříbrná_podélná
Linear aluminium dark bronze

fk_mrizka_AL_tmavý bronz_podélná

Linear aluminium light bronze


Linear aluminium black elox - NEWS

picto info        Linear grilles are supplied with supports as standard.

Where a linear grille is required, technical consultation is necessary, as the casing may need to undergo alteration. Note, please, that the linear grilles must be ordered together with trench heaters.


Code PM-xx/14 PM-xx/16 PM-xx/20 PM-xx/26 PM-xx/32 PM-xx/34 PM-xx/40
Width - nett (mm) 128 148 188 248 308 328 388

Tolerance +0–1.5 mm. Code width is derived from trench heater width.

Grille airflow

alu wood steel  stainless Thin  Cross
63% 55% 60% 60% 63% 58%

Load bearing capacity

Grafy PM     

In load bearing capacity testing, grille slats are placed on two supports and weighed down in centre.
For wooden slats, values are given up to the fracture point of the first fibre. Metal slats are measured up to the point of irreversible deflection.

Decorative frames are available as standard in aluminium with silver, dark bronze or light bronze elox finishes. Frames may also be lacquered (powder coated) using colours from the RAL colour chart. Frames are in every case supplied as a component of trench heaters, and the type required must be specified when ordering in the Order Code. Where trench heaters are finished with a hem, the hem is of the same material as the casing.

U-frame - standard

F-frame - optional


rámeček U rámeček F rámeček přehyb



Example order code: PM-100/26-A1R0

Floor grille, length 100 cm, width 26 cm, aluminium, silver elox, roll-up, for single trench heater without alteration. Grille measurement given in the order code corresponds with the measurement of the respective trench heater. Nett dimension of the grille is available upon request.

Floor Grille   Length/Width (cm)   Grille material Grille Colour Grille type Grille ending type
P M - 100/26 - A 1 R 0






A aluminium

Y alu T-profile solely for curved models

and series with curve

1 silver elox
2 dark bronze elox
3 light bronze elox

5 black elox (A-profile only)
9 other RAL colour

R roll-up

L linear

0 grille for single trench heater

1 grille for trench heater with lowered face - input side

2 grille for trench heater with lowered face - opposite input side

3 grille for trench heater with both sides lowered

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