VentBlock
PBM VentBlock is a modular concrete ventilation block system engineered for façade and screen wall applications. With a broad range of opening designs and depth configurations, it offers flexibility for large-scale residential, commercial and infrastructure projects.
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Showing VentBlock models
System Comparison – VentBlock Within the PBM Range
VentBlock (VB)
Veil Breeze Blocks (VBB)
Ventilation Block Plus (VB+)
Surface Finish
Fair-faced concrete finish
Smooth front face
Fine finish on both faces
Rear Face
Functional concrete surface
Distinct rear profile
Identical refined finish
Visual Character
Modular, structural expression
Sculptural, expressive
Clean, contemporary and symmetrical
Depth Option
Multiple dimensional options
Standard 100mm depth
100mm depth
(65mm available for selected models)
(65mm available for selected models)
Ideal Application
Large-scale façade & infrastructure projects
Feature walls and single-visibility façades
Dual-visibility screen walls and premium façades
Colour
Natural cement grey
Natural cement grey
Off-white
Surface Finish
VB
Fair faced concrete finish
VBB
Smooth front face
VB+
Fine finish on both faces
Fair faced concrete finish
VBB
Smooth front face
VB+
Fine finish on both faces
Rear Face
VB
Functional concrete surface
VBB
Distinct rear profile
VB+
Identical refined finish
Functional concrete surface
VBB
Distinct rear profile
VB+
Identical refined finish
Visual Character
VB
Modular, structural expression
VBB
Sculptural, expressive
VB+
Clean, contemporary and symmetrical
Depth Option
VB
Multiple dimensional options
VBB
Standard 100mm depth
VB+
100mm depth
(65mm available for selected models)
Multiple dimensional options
VBB
Standard 100mm depth
VB+
100mm depth
(65mm available for selected models)
Ideal Application
VB
Large-scale façade & infrastructure projects
VBB
Feature walls and single-visibility façades
VB+
Dual-visibility screen walls and premium façades
Large-scale façade & infrastructure projects
VBB
Feature walls and single-visibility façades
VB+
Dual-visibility screen walls and premium façades
Colour
VB
Natural cement grey
VBB
Natural cement grey
VB+
Off-white
Natural cement grey
VBB
Natural cement grey
VB+
Off-white
Each PBM system is engineered to support different architectural intents, allowing designers to balance performance, expression and project scale.
FAQ
What is VentBlock used for?
VentBlock is PBM’s core modular ventilation block system designed for large-scale façade, perimeter and infrastructure projects. It provides functional ventilation and daylight penetration while maintaining structural consistency.
Is VentBlock suitable for high-volume developments?
Yes. VentBlock is engineered for large-scale applications where dimensional consistency, installation efficiency and cost control are critical.
What surface finish does VentBlock have?
VentBlock features a fair-faced concrete finish on both sides, suitable for exposed architectural or utilitarian applications.
Are PBM ventilation blocks suitable for outdoor use?
VentBlock, VBB and VB+ are manufactured from concrete and are suitable for indoor and outdoor architectural applications, subject to proper installation practices.
Are ventilation blocks load-bearing?
Ventilation blocks are typically used as non-load-bearing screen or façade elements. Structural requirements should be confirmed with project consultants.