PANELTOR® Solutions

What are ventilated facades?

Ventilated facades are a building envelope system that consists of a system of plates anchored to metal profiles, usually aluminum, which are fixed to the building facade.

Ventilated facades get their name from the gap between the outer plates of the ventilated facade and the wall where it is anchored. In this gap the air is filtered producing a chimney effect entering cold from the bottom and leaving warm from the top of the ventilated facade. This effect produces the passive ventilation of the building, hence the name ventilated facade.

Ventilated facades are also called “double wall” or transventilated facades. Ventilated facades in colder countries are used with insulation. These insulators are placed between the anchoring wall and the external cladding of the ventilated facade, thus achieving greater thermal insulation performance.

Passive ventilation and benefits of ventilated facades

Characteristics of ventilated facades

The main characteristics of ventilated facades are their ability to replace panels that have deteriorated or broken over time. The manufacturer of the ventilated facade panels must be able to replace the deteriorated parts. There are ventilated facade systems that repair broken or deteriorated panels on site, such as the concrete ventilated facade.

As a thermal insulator, ventilated facades are a great insulator, where energy consumption is reduced by 25-40%. Other benefits of the ventilated facade are the acoustic comfort. Ventilated facades reduce external noise. Another characteristic of ventilated facades is the total impermeability of the building.

In building renovations ventilated facades are widely used, as it is a direct application coating that does not generate waste. Ventilated facades hide elements such as cracks or electrical conduits and enhance the value of the building.

Passive ventilation and benefits of ventilated facades

Elements that make up a ventilated facade

 

The elements that make up the ventilated facades must be in perfect condition, such as the supporting wall of the ventilated facade or the cladding of the ventilated facade. In the case of metal elements, they must be quality materials.

Elements that make up a ventilated facade:
1- Supporting wall
2- Anchoring and retaining brackets
3- Aluminium profiles, support of the ventilated facade that is anchored to the brackets
4- Anchorage of the ventilated facade plates to the aluminium profiles
5- Ventilated facade plastering

Ventilated facades components

Types of ventilated facade

There are many types of ventilated facades on the market today. Generally, the choice of ventilated facades depends on their aesthetic finish, as they can be a highly decorative element. The manufacturer of ventilated facades adapts to the needs of the architect, and carries out the production of the ventilated facade in one run for the project. The ventilated facade is not produced in phases as it can give problems of de-tuning and quality.

The sizes of the ventilated facades depend on the type of material and the characteristics of the building. The poor choice of the ventilated facade can cause problems, even be dangerous during the movements of the trade or wind.

In the following table we inform you about the types of existing ventilated facades and their performance. We classify from green to red according to the performance of the ventilated facade. Being green the optimal material and red the less advisable material.

Type of damage/1 piece

Ventilated Facades of
CONCRETE

Ventilated Facades of
METALS

 

Ventilated Facades of
WOOD

 

Ventilated Facades of
STONE

 

Ventilated Facades of
POLYMERS

 

Ventilated Facades of
CERAMICS/TERRACOTTA

 

Ventilated Facades of
CRYSTAL

 

Bending strenght

High

High

High

High

depends on

Low

Low

Hidden anchorage system

Yes

No

No

No

depends on

Yes, omega piece

No

Fire Resistance

Yes

Yes

No

Yes

With application finish

Yes

No

Expansion tolerance

Yes

Yes

Yes

No

Yes

No

No

Impact strenght

Yes

Yes, under deformation

No

No

Yes

No

No

Antifungal

Yes

No

No

Yes, duration 6 months

depends on

Yes, duration 6 months

depends on

Repairable panels

Yes

No

No

No

depends on

No

No

Perforated panels

Yes

Yes

No

No

Not recommended

Yes

No

Dimensions

Wide range of sizes

Wide range of sizes

Wide range of sizes

Wide range of sizes

Wide range of sizes

Wide range of sizes

Wide range of sizes

Ability to reproduce 3D shapes

High

High

No

No

High

No

No

Ability to reproduce textures

High

Medium

Low

Low

High

Low

No

Sustainable manufacturing
CO2 Emissions

Yes

No

Yes

Yes

No

No

No

Types of fasteners for ventilated facades

There are many variants of fixing systems for ventilated facades. Depending on the type of ventilated facade panels, these are the most common types of ventilated facade fixings.

Ventilated facades: fixing with adhesive, as a secondary fastening element
Ventilated facades: stapling
Ventilated facades: rivets
Ventilated facades: nail fixing
Ventilated facades: fixing with guides
Ventilated facades: pinning
Ventilated façades: glued-on sleeve fixing
Ventilated facades: fixing with embedded bush, patented by PANELTOR®.

Concealed fixing system for ventilated facades

Why use concrete for ventilated facades

Ventilated concrete facades offer a multitude of features that make this material ideal for new construction and building renovation.

The PANELTOR® high performance ventilated concrete facade offers a material that is durable over time, sustainable and highly adaptable to the architect’s, interior designer’s or planner’s wishes.

The PANELTOR® high-performance ventilated concrete facade offers unbeatable mechanical capabilities such as its high dimensional tolerance, great bending and compression patience or high impact resistance.

The PANELTOR® high-performance ventilated concrete facade has a unique hidden fixing system on the market, which allows large areas of the ventilated facade to be continuously clad.

Advantages and Benefits for Ventilated Facades

Benefits of ventilated concrete facades PANELTOR®

Below are the tables showing the benefits of a PANELTOR® high performance ventilated concrete facade

THERMAL AND ACOUSTIC INSULATION

The ventilated facade is considered the most effective system for thermal and acoustic insulation, which reduces the energy consumption of the building by 25-40%, in addition to contributing to the sustainability of the planet.

Passive building ventilation
The open air chamber of the ventilated facades between the supporting wall and the exterior cladding allows air circulation, preventing humidity and condensation

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REHABILITATIONS

The ventilated facade allows direct application on site. In the case of renovations, it is an ideal option for covering the old façade, as it hides cracks and damage to it. The ventilated façade hides the building’s own pipes and enhances the value of the building.

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LONG-LASTING PRODUCT

PANELTOR® is UHPC (Ultra High Performance Concrete) reinforced with structural fibres, with great mechanical qualities.

The acquired benefits of both components make PANELTOR® large format panels for ventilated facades ultra-resistant (UNE 127748-2:2012).
Thanks to their composition, they are tolerant to flexion, compression and expansion (UNE 196-1:2018), which translates into a “long life product”.

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Ventilated facades reparation

Below is a table comparing the possibilities of repairing ventilated facades according to the type of material. We classify from green to red according to the performance of the ventilated facade. Being green the optimal material and red the less advisable material.

Type of damage/1 piece

Ventilated Facades of
CONCRETE

Ventilated Facades of
METALS

Ventilated Facades of
WOOD

Ventilated Facades of
STONE

Ventilated Facades of
POLYMERS

Ventilated Facades of
CERAMICS / TERRACOTTA

Ventilated Facades of
CRISTAL

Scratches

Repairable

Repairable

Repairable

Repairable

Depends on

No repairable.
Bad manipulation. Danger

Repairable.
Bad manipulation. Danger

Cracking

Repairable

No repair.
Manufacturing defect

Repairable

Repairable

No repair.
Manufacturing defect. Danger

No repair.
Manufacturing defect. Danger

Repairable.
Danger

Peeling

Repairable

Repairable

No repairable.
Bad manipulation

No repairable.
Bad manipulation

No repairable.
Bad manipulation

No repairable.
Bad manipulation

No repairable.
Bad manipulation

Deformation

Repairable.
Bad manipulation/Handling

Repairable.
Bad manipulation/Handling

Repairable.
Bad manipulation/Handling

No repair.
Manufacturing defect

Repairable.
Bad manipulation / handling

No repair.
Manufacturing defect

No repair.
Manufacturing defect

Partial breakage of the part

Repairable.
Bad manipulation/handling

Repairable.
Bad manipulation/handling

Repairable.
Bad manipulation/handling

No repair.
Handling defect
or manufacturing

Depends on

No repair.
Handling defect
or manufacturing

No repair.
Handling defect
or manufacturing

Total breakage of the piece

Repairable.
Bad manipulation / handling

No repair.
Bad manipulation / handling

Repairable.
Bad manipulation / handling

No repair.
Handling defect
or manufacturing

No repair.
Handling defect
or manufacturing

No repair.
Handling defect
or manufacturing

No repair.
Handling defect
or manufacturing

More information about ventilated facades

The PANELTOR® technician’s department has made all the information and documentation on ventilated facades available to you. If you need more information about our products and systems for ventilated facades, you can consult other sections of this website or visit our download centre.

We also provide you with our data and contact form for any query.

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Article written by Sara Sirvent, MACRO Publicidad for PANELTOR FIBER S.L. ©2020