# CARAVAN SALON 2026 Lattice Panels: BIGBAHN 13A94

**By kevin c** · 2026-08-26

> **BIGBAHN GmbH exhibits at Hall 13, Booth A94 (13A94)**

CARAVAN SALON Düsseldorf 2026 runs **28 August – 6 September 2026** at Messe Düsseldorf (09:00–18:00 daily, 10 trade days), drawing 250,000+ visitors and 600+ exhibitors — Europe's flagship trade fair for motorhomes, caravans and camper vans.

![](https://cdn.shopify.com/s/files/1/0746/2951/3390/files/CARAVAN_SALON_DUSSELDORF_2026.jpg?v=1787711675)

## What Are RV Lattice Panels? Six Functions, Four Base Materials  

A RV lattice panel (also called [grille panel](https://www.bigbahn.de/collections/grille-panel) or ventilation grille) is a perforated/openwork decorative or functional panel with 30%–70% open area, serving six core functions in caravan and motorhome interiors:

-   cabinet door ventilation to prevent mould and odour; 
-   acoustic-transparent faces for speakers and HVAC vents; 
-   heat-dissipation back panels for fridges and gas appliances; 
-   splash-proof shields for bathroom and kitchen modules; 
-   storage compartment dividers and decorative slats; 
-   dashboard ventilation layers in camper vans.

The four base material families are HPL (high-pressure laminate) / compact laminate, [lightweight plywood](https://www.bigbahn.de/collections/lightweight-plywood), [PET foam board](https://www.bigbahn.de/pages/pet-foam-board), and [GMT panel](https://www.bigbahn.de/pages/gmt-panels) — the first two dominate furniture and interior trim, while the latter two target structural and floor/wall-base applications.

![](https://cdn.shopify.com/s/files/1/0746/2951/3390/files/Grille_panel_1.jpg?v=1784420628)

Key specifications are open area ratio, formaldehyde emission grade, Taber abrasion cycles, and thickness swelling (TS).

## Open Area vs Acoustic Performance  

> Higher open area is not always better.   

Empirically:

-   cabinet-door ventilation uses 30%–40% (balances airflow and privacy); 
-   speaker grilles use 50%–60% (preserves high-frequency transmission, <1 dB insertion loss at 4 kHz); 
-   fridge rear panels use 60%–70% (maximises natural convection).

![Bigbahn Grille Panel OEM or ODM supplier manufacturing service](https://cdn.shopify.com/s/files/1/0746/2951/3390/files/14mm_Grille_Panel_GMT_Plywood_Foam_for_RV_2.jpg?v=1784077106)

Acoustic testing follows ISO 354 (reverberation room) and EN ISO 10534-2 (impedance tube). OEMs should request 1/3-octave insertion-loss curves from suppliers.

## Manufacturing Process and Material Mechanics of Lattice Panels  

Three dominant forming processes exist:

-   CNC routing: ideal for HPL/compact laminate, supports any pattern
-   laser cutting: ideal for lightweight plywood and PET foam board burr-free edges
-   press moulding: the GMT mainstream process, ideal for high-consistency industrial batches

![machine cnc](https://cdn.shopify.com/s/files/1/0746/2951/3390/files/High-Speed_CNC_Machining.jpg?v=1784076991)

BIGBAHN operates [CNC machining](https://www.bigbahn.de/pages/cnc-processing) centres and laser-cutting lines across its German and Chinese factories, with single-line daily capacity of 3 000–5 000 standard 600 × 600 mm panels — accommodating orders from 50-piece prototyping runs to 100 000-piece annual OEM programmes.

Mechanically, lattice panels have 20%–40% lower flexural strength than solid panels of the same thickness, but higher specific strength (strength-to-weight), making them a key lightweighting material for RV applications.

![soundproofing panels](https://cdn.shopify.com/s/files/1/0746/2951/3390/files/soundproofing_panels.jpg?v=1785465744)

BIGBAHN's ENF-grade [grille panels](https://www.bigbahn.de/collections/grille-panel) achieve a 0.3 MPa flexural strength at 1.0 g/cm³ density, delivering 18%–25% weight savings vs equivalent solid-wood grilles. Note that road-vehicle interior materials must also pass ECE R118 Annex 7–9 burning tests (melting drip, vertical burn, smoke density). The R118 Rev. 03 (2023) amendment extended Annex 9 smoke toxicity to multi-material composite interiors, capping CIT ≤ 30 (Source: UNECE, ECE R118 Rev. 03, 2023).

## How Dual-Factory Sourcing Affects EU OEM Lead Times  

Six typical RV lattice-panel applications: 

1.  slatted wall panels: decorative wall strips and upholstery dividers;
2.  cabinet door grilles: wardrobe, shoe cabinet, gas-locker doors;
3.  speaker & HVAC grilles: acoustic-transparent + visual continuity;
4.  appliance rear panels: passive heat dissipation for fridges and gas appliances;
5.  bathroom/kitchen splash shields: water-resistant + breathable; 
6.  camper van under-bed ventilation layers: structural airflow; 

OEM material/open-area pairing by scenario:

-   decorative strips use 20%–35% open area + HPL;
-   cabinet doors 35%–50% + lightweight plywood + HPL overlay;
-   speaker grilles 50%–65% + 1.0–1.2 mm HPL;
-   fridge backs 60%–70% + GMT panel;
-   bathroom splash shields 40%–55% + PET foam board;
-   van dashboards 50%–60% + GMT;  
    

## What You Can Touch at the BIGBAHN Booth  

[Get the Latest Product Catalog](https://cdn.shopify.com/s/files/1/0746/2951/3390/files/BIGBAHN-Flyer_v1.0.pdf?v=1785977977)

Touchable samples at BIGBAHN Booth 13A94 include:

-   ENF-grade lightweight plywood + HPL-overlay lattice (with side-by-side E1/E0 comparison for odour and hardness);
-   GMT glass-mat panel with 65% open area for fridge rear panels;
-   1.2 mm HPL speaker grille (with insertion-loss curve); 
-   **show-debut 2027 limited-edition six decorative patterns** (Europe-exclusive textures).

![](https://cdn.shopify.com/s/files/1/0746/2951/3390/files/Grille_Panel-2.jpg?v=1784417958)

RV designers are encouraged to bring their CAD drawings — BIGBAHN application engineers can deliver a 30-minute feasibility review and indicative pricing on site.

## CARAVAN SALON Düsseldorf 2026 Visitor Guide and BIGBAHN Booth 13A94 Logistics  

CARAVAN SALON Düsseldorf 2026 essentials: dates 28 August – 6 September 2026, 10 trade days; venue Messe Düsseldorf, Halls 1–17, Düsseldorf, Germany; opening hours 09:00–18:00 (last day closes 17:00); adult day ticket €17 / weekend ticket €24, online pre-booked €15; **BIGBAHN at Hall 13 / Booth A94 (13A94)**.

Visitor logistics:

-   take the U78 Stadtbahn directly to the Messe Düsseldorf entrance;
-   drive via A44/A57 motorway, on-site parking €12/day;
-   the BIGBAHN team operates a welcome desk at Hall 13's main entrance to escort OEM/wholesale visitors straight to the booth.

On-site BIGBAHN services: 

-   free samples, limit 3 textures × 2 A4 panels per visitor
-   30-minute one-to-one application-engineer consultation, advance email booking required
-   CARAVAN SALON exclusive offer — 5% discount on the first order of an annual OEM framework agreement  & free sea-freight to Rotterdam, **For New Customers**

## Scenario Comparison  

Scenario

Open Area

Recommended Material

Key Requirements

BIGBAHN Model

RV Slatted wall

20%–35%

HPL & lightweight plywood

Visual Consistency & Lightweight & ENF

BBP-G03

Cabinet door

35%–50%

HPL & lightweight plywood

Ventilation & Deformation Resistance & ENF

BBP-G04

Speaker grille

50%–65%

HPL 1.2 mm

Acoustic Permeability & Aesthetics

BBP-G02

Fridge rear

60%–70%

GMT / Compact laminate

High Openwork & Heat-Resistant & ENF

BBP-G06 / BBP-G07

Bathroom splash

40%–55%

PET foam board

Water-resistant & Mildew-resistant & ENF

BBP-G05

Van dashboard

50%–60%

GMT

Structural Strength & High Openwork & Flame Retardant

BBP-G06

Flagship 2027

35%–55%

HPL & lightweight plywood

Full-Spec Top-of-the-Line & REACH & 6 Limited-Edition Designs

BBP-G09

## BIGBAHN vs Major European Competitors — Cross-Brand Comparison  

Dimension

BIGBAHN (DE/CN)

German System Brand

EU Trader

Generic CN Factory

Source factory

✅ Dual (DE+CN)

✅ DE only

❌Private label

✅ CN only

MOQ（600×600 mm ）

50

500

200

1 000

€ / piece

3.20–10.50

8.50–14.00

6.00–10.00

2.40–5.50

Open area range

20%–70%

30%–60%

35%–55%

25%–65%

ENF grade

✅ Standard

⚠️ Optional

⚠️ Optional

❌ Mostly E1

REACH Entry 77 (2027-08-06) 

✅ Passed

✅ Passed

⚠️ Partial

❌ Not declared

ECE R118 Annex 7–9 

✅ Complete

✅ Complete

⚠️ Only 7–8

❌ None

EN 1646-1 report

✅ Complete

✅ Complete

❌ None

❌ None

OEM/ODM customisation

✅ Strong

⚠️ Medium (locked)

❌ Weak

⚠️ Medium

**References**   

-   **EUR-Lex**. _REACH Regulation (EC) No 1907/2006, Annex XVII Entry 77 — Formaldehyde in road vehicle interiors (effective 2027-08-06)_. [https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02006R1907-20240701](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02006R1907-20240701)

-   **UNECE**. _ECE R118 Rev. 03 — Uniform technical prescriptions for the burning behaviour of materials used in the interior construction of certain categories of motor vehicles (2023)_. [https://unece.org/transport/standards/transport/vehicle-regulations](https://unece.org/transport/standards/transport/vehicle-regulations)

-   **CEN**. _EN 1646-1:2018 — Leisure accommodation vehicles — Motor caravans — Part 1: Habitation requirements relating to health and safety_. [https://standards.cen.eu](https://standards.cen.eu)

-   **ISO**. _EN 717-1:2004 — Wood-based panels — Determination of formaldehyde release — Part 1: Formaldehyde emission by the chamber method_. [https://www.iso.org/standard/36402.html](https://www.iso.org/standard/36402.html)

-   **Beranek, L. L.** (2004). _Concert Halls and Opera Houses: Music, Acoustics, and Architecture_. Springer. ISBN 978-0387955550.

-   **CARB**. _Airborne Toxic Control Measure (ATCM) Phase 2 — Composite Wood Products_. [https://ww2.arb.ca.gov/our-work/programs/composite-wood-products-program](https://ww2.arb.ca.gov/our-work/programs/composite-wood-products-program)

-   **Messe Düsseldorf**. _CARAVAN SALON 2026 Official Site — Dates, halls, opening hours_. [https://www.caravan-salon.com](https://www.caravan-salon.com)

-   **BIGBAHN GmbH**. _Help Center Knowledge Base — ENF / REACH / ECE R118 documentation_. [https://www.bigbahn.de/pages/bigbahn-help-center-knowledge-base](https://www.bigbahn.de/pages/bigbahn-help-center-knowledge-base)

-   **GB/T 39600-2021** — Formaldehyde emission grading for wood-based panels and products).

-   **BIGBAHN Product Page** — _Grille Panel_  [https://www.bigbahn.de/collections/grille-panel](https://www.bigbahn.de/collections/grille-panel)

**CTA  
**

Three engagement paths: 

-   **Free samples** — submit the online form and receive A4-sized samples within 3–5 business days via the [BIGBAHN contact entry](https://www.bigbahn.de/pages/contact)
-   **Quotation & RFQ** — attach your spec sheet (application/dimensions/open-area/material/annual volume) and receive FOB/DDP dual-track indicative pricing within 48 hours via [wholesale RFQ](https://www.bigbahn.de/pages/contact)
-   **OEM/ODM long-term partnership** — annual framework agreement + exclusive texture customisation + dual-factory (DE+CN) capacity reservation via the [BIGBAHN partnership entry](https://www.bigbahn.de/pages/become-a-partner).

**Tags:** 2026 Exhibition, CARAVAN SALON, European RV Manufacturers, lattice panels, RV Interiors for 2026, Wall Cladding Panels

---

> Source: [Bigbahn](https://www.bigbahn.de/blogs/product-education/caravan-salon-duesseldorf-2026-lattice-panels-bigbahn-booth-13a94)