Decorative Ventilation Blocks Catalog

Concrete, Dolomite & Terracotta Breeze Blocks for Facade, Fence, and Interior Applications.

We produce architectural ventilation blocks designed to combine airflow, light control, and visual character. Our products are manufactured using three different materials, allowing each design to be adapted based on structural needs, climate conditions, and aesthetic preferences. 


Every motif can be produced in different materials, giving architects and builders full flexibility for their projects.

Roster Arrow

  • Model Code: IR-001
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster LB4 Two Side

  • Model Code: IR-002
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Donat

  • Model Code: IR-003
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Petir

  • Model Code: IR-004
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster High Nako

  • Model Code: IR-005
  • Size: 25 × 15 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

MMC Roster

  • Model Code: IR-006
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Nako Sipit

  • Model Code: IR-007
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-008
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster L Two side

  • Model Code: IR-009
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster L One Side

  • Model Code: IR-010
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Kincir lubang 2

  • Model Code: IR-01
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Nako Classic

  • Model Code: IR-012
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Nako Y

  • Model Code: IR-013
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster ---

  • Model Code: IR-014
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster ---

  • Model Code: IR-015
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Robot

  • Model Code: IR-016
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster LB4 One Side

  • Model Code: IR-017
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Congklak

  • Model Code: IR-001
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Nako sejajar

  • Model Code: IR-016
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Nako Sipit

  • Model Code: IR-017
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster ---

  • Model Code: IR-019
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Diamond

  • Model Code: IR-020
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Tanjakan Emen

  • Model Code: IR-021
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

 

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Z One Side

  • Model Code: IR-022
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster ---

  • Model Code: IR-023
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-024
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-025
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster ---

  • Model Code: IR-026
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-027
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-028
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster ---

  • Model Code: IR-029
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-030
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-031
  • Size: 30×15 cm – 25×15 cm
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster ---

  • Model Code: IR-032
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-033
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Kolotok

  • Model Code: IR-034
  • Size: — cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Dadu

  • Model Code: IR-035
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-036
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Dadu Lubang 9

  • Model Code: IR-037
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Bodrex

  • Model Code: IR-038
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Plush

  • Model Code: IR-039
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Kapal

  • Model Code: IR-040
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster Batman

  • Model Code: IR-041
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-042
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-043
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-044
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-045
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-046
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-047
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-048
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-049
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-050
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-051
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-052
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-053
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-054
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster

  • Model Code: IR-055
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-056
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-057
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-058
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-059
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-060
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-061
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-062
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-063
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-064
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-065
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-067
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-068
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-069
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-070
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-071
  • Size: 20x20x10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-072
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)

Roster --

  • Model Code: IR-073
  • Size: 20 × 20 × 10 cm 
  • Weight: ±3 kg / pcs
  • Application icons (Facade | Fence | Interior)

Material Option :

  • Concrete (Grey natural)
  • Dolomite (Sand White)
  • Terracotta (Earth Tone Red)