For ship interior fitting with sandwich cores & components for hull and deck construction.

COMPACFOAM in yacht building – lighter. more stable. directly screwable

No pre-drilling, directly edgeable and coatable – developed for the requirements of modern yacht building.

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screwable

SALT WATER RESISTANT

70% lighter than wood

Screwable without pre-drilling

Dimensionally stable

isotropic

Open to diffusion

Insensitive to moisture

highly resilient

light

Formaldehyde-free

recyclable

screwable

SALT WATER RESISTANT

70% lighter than wood

Screwable without pre-drilling

Dimensionally stable

isotropic

Open to diffusion

Insensitive to moisture

highly resilient

light

Formaldehyde-free

recyclable

A modern construction material for yacht building

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Applications in yacht building

Interior fittings

Furniture and furnishings

COMPACFOAM panels process exactly like wood-based panels – with the same machines, the same fittings, the same adhesives. The difference shows in the result: No warping, no swelling, no outgassing, and up to 60% weight reduction.

Typical applications

Cupboards, bunks, table tops

Partition walls and room dividers

Wet rooms and sanitary areas

Floor structures, ceiling constructions

Advantages

Direct screwing of fittings without dowels

Apply edge banding as with wood-based materials – no pre-treatment required

Can be coated with HPL, veneer, laminate or GRP

Up to 60% lighter than marine plywood

Formaldehyde-free – compliant with EU limit values from 2026

Custom dimensions on request – often cheaper than standard panels due to zero offcut waste

Picture gallery

Hull construction

Sandwich construction

COMPACFOAM as a component transfers peel forces reliably into the GRP cover layers – without creeping, without swelling, without deforming under heat. Unlike balsa wood, the material remains dimensionally stable even when exposed to moisture.

Typical applications

Core material for GRP sandwich structures

Bulkheads and reinforcing structures

Mast foundations and fitting fixings

Cockpit and deck superstructures

Advantages

No moisture risk – does not swell, does not rot

Excellent peel force transmission

Outstanding dimensional stability

Direct screwing without dowels

Dimensionally stable up to 90°C

Available in custom thickness and dimensions

100% recyclable – CFeco variant made from recycled material available

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Product comparison

Why COMPACFOAM in yacht building?

Plywood warps. Balsa wood rots when exposed to moisture. PVC foam creeps under sustained load and cannot be screwed directly. COMPACFOAM combines the processing advantages of wood-based panels with the durability of a salt water-resistant, dimensionally stable construction material – for interior fitting and for load-bearing sandwich constructions.

Screwability

Directly screwable – without pre-drilling

Reinforcing inserts and dowels are eliminated. With COMPACFOAM, a standard wood screw drives directly into the material – without pre-drilling, without tear-out, without chipping. A screw Ø 4 mm holds 350 N in a 15 mm panel – comparable to plywood. Fittings, hinges and drawer runners hold as reliably as in wood-based materials.

Edge banding

Processing like wood – up to 80°C

Apply edge banding as on plywood or MDF – the same machine, the same adhesive, the same settings.

No pre-treatment, no special tools, no machine reconfiguration.

Moisture resistance

No swelling – even with salt water

Moisture and condensation are unavoidable in yacht building. With plywood and balsa wood, this means swelling, rotting and costly repairs. COMPACFOAM does not swell, does not rot and does not alter its mechanical properties even under permanent salt water contact.

Weight advantage

More usable space on the upper decks – at the same stability

Lighter interior fitting creates room for the most valuable areas of a yacht – the upper decks. Reduced weight also improves stability and draught.

COMPACFOAM CF 200 with surface coating achieves a density of approx. 250 kg/m³ – marine plywood reaches 650–700 kg/m³. This corresponds to a weight reduction of around 60% at the same component thickness.

Milling fittings

CNC-precise – without reinforcing panels

Pot hinges, drawer runners, Lamello connectors, cable ducts – all cut-outs can be milled on standard CNC machines. Dimensional accuracy ± 0.3 mm. No inserted hardwood inserts, no reinforcing panels at hinges – simplified construction, fewer components, faster assembly.

Interior view of a boat with a kitchen and a staircase

Formaldehyde-free

New EU limits from 2026

In the confined cabin of a yacht, indoor air quality is not a comfort issue. Formaldehyde in MDF and particle board is hazardous to health – from August 2026, the EU will apply tightened limit values of 0.062 mg/m³ for wood-based materials in indoor air.

COMPACFOAM is a single-material plastic: no binders, no outgassing, formaldehyde-free.

*Regulation (EU) 2023/1464 adds Entry No. 77 to Annex XVII of the REACH Regulation, introducing stricter restrictions on formaldehyde emissions.

Technical information

Technical data
Sintered highly compressed EPSCF100CF125CF150CF200CF300CF400CF200ecoStandard
Gesintertes hochverdichtetes EPSIconIconIconIconIconIconIconStandard
Compressive strength (N/mm²)
for 10% compression 1,131,641,953,535,8511,032,62 EN 826
for 2% compression0,730,810,981,933,014,311,54EN 826
Characteristic compressive strength (N/mm²)1,021,481,55 3,195,199,972,37EN 14358
Rated value of compressive strength (N/mm²)0,711,021,07 2,213,596,901,42
Safety factorsym=1,3/k mod=0,9ym=1,5/k mod=0,9
Calculation value for Serviceability (N/mm²)0,620,690,831,642,563,661,23
E-modulus (N/mm²)28,738,445,599,4168,7269,873EN 826
Screw extraction
Screw extraction* ⌀ 7.5mm (N)8379191.1791.8752.6774.047 1.380i.a. EN 14358
Screw cross tension* ⌀ 7.5mm (N)2963944935421.0121.333954i.a. EN 14358
Screw extraction* ⌀ 4.5mm (N)5055657479791.7292.829701i.a. EN 14358
Cross bolt tension* ⌀ 4.5mm (N)103112150214319500320i.a. EN 14358
Thermal conductivity
Rated value (W/mK)0,03870,03770,04230,04590,05310,06500,045EN 12667
Water vapor diffusion resistance coefficient~25EN 12086-1
Building material behavior in case of fireE (B1) schwer entflammbarEN 13501-1,
DIN 4102-1
Max. Water absorption capacity 28 days~5%EN 12087
Dimensions

COMPACFOAM is supplied in two fundamentally different product groups – with different dimensions and different production logic. Confusion leads to incorrect expectations, so here is the clear distinction.

Cores for sandwich panels for ship interior fitting

Standard formats:
1.220 × 2.440 mm & 1.300 × 3.050 mm

Maximum format: 1,320 × 4,500 mm
(on request up to 6,000 mm length)

Thickness: 8 mm bis 100 mm

Standard formats: see products
ground ± 0.1 mm – for perfect sandwich quality.

Up to 30% of material costs in interior fitting are offcut waste. COMPACFOAM is manufactured to your cut-to-size dimensions – no waste, custom dimensions often cheaper.

The core is matched precisely to your surface material – for sandwich structures it can be manufactured 10 mm larger all around than the cover layer, for clean edges without reworking.

Standard panels for self-cutting are also available.

Components for hull and deck constructions

Minimum format: 20 × 20 × 40 mm

Maximum format: 1.400 × 300 × 6.000 mm

Standard tolerance depending on processing:
sawn ± 0.4 mm · planed ± 0.4 mm · CNC-milled ± 0.3 mm

These components have different production dimensions than the interior fitting panels – the dimensions are not interchangeable.

Up to 30% of material costs are offcut waste. COMPACFOAM is manufactured to your project dimensions – no waste. Our production technology makes project-specific dimensions possible without significant additional effort.

Standard formats for self-cutting are also available.

Weight saving (example calculation)
Processing notes

Bonding and laminating

Standard PU and epoxy adhesives work for sandwich structures without any further adjustments. The surface of COMPACFOAM requires no pre-treatment – no sanding, no priming, no activation. All common system adhesives used in the boatbuilding industry are compatible.

Sawing

COMPACFOAM can be easily cut using standard circular saws, pressure beam saws or hand-held circular saws. Important: use saw blades with wide tooth spacing and sufficient chip clearance. → View recommended saw blade

Milling

COMPACFOAM has extremely low abrasiveness – machining is done with affordable wood milling cutters or blanks in standard HS quality. Expensive diamond-tipped tools, as required for some PU composite materials on the market, are not needed at all. This means significantly lower tooling costs when producing milled profiles.

Test COMPACFOAM in your project

The material convinces in direct comparison – not in the brochure. Order a sample panel in the format 1,210 × 610 mm, screw it with your own screws, apply edge banding on your own machine. Then decide.

Fast delivery:
Your sample panel will reach you within a few days directly at your shipyard or office. Payment by credit card, PayPal or EPS.

Choose your variant:
The right material thickness and surface for your application – so you can find the optimum solution for your project even before placing a bulk order.

Data sheets

To order small panels as samples, please fill out the form below
Small panels – Order form

SELECT THE DESIRED SMALL PLATE

Size: 1210x610mm

 

Thickness: 15mm

Thickness: 19mm

No products have been selected yet.

Customer testimonials

“The material is incredibly light, which helps us to maximize the payload without compromising on stability.”

Markus L.

Production manager

“Always dimensionally stable even at extreme temperatures – a real improvement.”

Simone B.

Managing Director

“The material can be processed like wood, so we didn’t need any expensive machines or changes in production.”

Stefan H.

Design engineer

Videos

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COMPACFOAM – structural lightweight panels. Dimensional stability

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Structural lightweight sandwich panels. Milling of hardware connection elements

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Lightweight structural panels Lamello fasteners

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FAQ – Frequently asked questions about COMPACFOAM in yacht building

Is COMPACFOAM really as dimensionally stable as claimed?

Yes, the freedom from warping is measurable. In contrast to PVC or PUR foam boards, which tend to warp when exposed to temperature fluctuations and moisture, COMPACFOAM remains permanently straight, even with large-surface components. This property has been confirmed in years of maritime use.

How does COMPACFOAM behave in contact with salt water?

Permanently resistant without swelling. Unlike plywood or balsa wood, COMPACFOAM does not absorb salt water and does not rot. Dimensional stability is maintained even when in direct contact with water in wet rooms.

What proof and certifications are there?

Comprehensive technical documentation available. COMPACFOAM has building law certificates and test certificates for maritime use. The complete documentation is provided with the delivery.

Can I process COMPACFOAM like normal wood?

Yes, with standard tools. Sawing, routing, drilling and sanding all work with standard woodworking tools. CNC processing is also possible without any problems. There are no additional tool costs.

Do I need special adhesives or screws?

No, standard fastenings are sufficient. COMPACFOAM can be screwed directly with standard wood screws – without reinforcing elements. Standard PUR or epoxy adhesives work for gluing.

Are the panels also available in special sizes?

Yes, customized solutions possible. COMPACFOAM can be supplied in excess lengths and special widths according to customer requirements – ideal for impact-free constructions.

Does the material justify the higher price compared to plywood?

The overall calculation shows clear advantages. The additional price is amortized through weight savings, reduced reworking and longer durability. Added to this are savings in transportation and handling due to the lower weight.

How big is the actual weight saving?

Depending on the application, 30-50% less weight. Significant weight reductions are possible for furniture and partition walls. This improves sailing characteristics and reduces fuel consumption on motor yachts.

Do normal furniture fittings work?

Yes, without restrictions. Pot hinges, pull-outs and other fitting systems can be installed as usual. The high strength of the core material makes additional reinforcements superfluous.

What happens in the event of damage or repairs?

Simple repair using standard methods. Minor damage can be filled and repaired in the same way as wood. In the case of major damage, sections can be replaced and seamlessly inserted.

Is the material really free of harmful substances?

Yes, formaldehyde-free and without outgassing. COMPACFOAM contributes to healthy interiors – an important aspect in the confined space situation on board.

How long does COMPACFOAM last in the maritime environment?

Unlimited durability under normal conditions. The material shows no signs of ageing due to salt water or temperature fluctuations. Reference projects prove the long-term stability.

Can I order small quantities for prototypes?

Yes, sample material is also available. We are happy to provide sample panels for testing and sampling. This allows you to check the processing properties in advance.

Is there technical support for project planning?

Comprehensive application technology included. Our team provides support with material selection, dimensioning and processing technology. Our advice is geared towards the practical requirements of yacht building.

How quickly can the material be delivered?

Short delivery times even for special dimensions. Standard dimensions are available from stock. Custom-made products are scheduled on a project-specific basis.

What panel thicknesses are available?

Flexible adaptation to structural requirements. The panel thickness is adapted precisely to the required wall thickness and load. Due to the high strength, thinner structures are often sufficient than with other materials.