Preliminary review
Review of input data and conceptual applicability.
Responsible party
MARROB + engineering partner
Engineering
A technical process with visible responsibilities.
MARROB coordinates the solution. Engineering calculations and documentation are delivered with a qualified partner within the contracted scope.
Project inputs
- Location and reference regulations
- Drawings, geometry and substrate
- Project stage and programme
- Estimated area and setting-out
- Appearance and maintenance requirements
System concept
Preliminary definition of cladding and substructure.
Responsible party
Engineering partner; MARROB coordination
Calculation and design
Calculations and documentation within the agreed scope.
Responsible party
Qualified engineering partner
Supply
MARROB cladding and project-dependent substructure.
Responsible party
MARROB
Installation
Execution under a separate contract when requested.
Responsible party
Accredited installer
Supervision
Compliance control within contractual limits.
Responsible party
MARROB / partner as contracted
Two fixing principles
Jointless NVF1 and grouted-joint NVF2.
The MARROB catalogue documents two ventilated-facade cladding families. Selection is validated against geometry, setting-out, substructure, loads and site conditions.
NVF1
Tongue-and-groove · no wet joint
The element has a front recess that defines the joint and fixing tabs for the substructure. Mechanical fixing allows individual elements to be replaced without removing adjacent pieces.
- Installation without grouting or wet processes
- Straight, corner, vertical and reinforced elements
- Ventilated cavity for moisture removal
NVF2
Kerfed · with grouted joint
Longitudinal edge grooves engage metal rails. After installation, joints are filled with a dedicated mortar that conceals the fixing and visually unifies the facade plane.
- Expression close to traditional brickwork
- Continuous joint integrates individual elements
- Straight, corner, vertical and reinforced elements
Product information from the MARROB NVF catalogue published on 25 Aug 2026. It does not replace project-specific calculation, detailing or approval.
MARROB Mineral · handmade production
Ten base formats for NVF2.
The handmade range coordinates straight pieces, corners, vertical and reinforced elements. Colour, texture and special pieces can be developed for the project, subject to manufacturing validation.
DF250 × 50 × 15 mm
RF250 × 65 × 15 mm
LDF290 × 50 × 15 mm
LONG440 × 50 × 20 mm
WDF215 × 65 × 15 mm
MOD290 × 40 × 15 mm
RIEGEL 500500 × 40 × 20 mm
NF240 × 71 × 15 mm
XR528 × 37 × 15 mm
XLDF365 × 52 × 15 mm
Responsibility matrix
| Activity | MARROB | Partner / installer |
|---|---|---|
| Scope coordination | ||
| Calculations and technical sign-off | ||
| Cladding manufacture | ||
| Substructure supply | ||
| Installation under separate contract | ||
| Supervision as contracted |
Share the project inputs.
The project does not need to be final. Tell us the current stage and which decisions you need to make.