Best Styrodur 20 Mm 2026

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Last Updated - 03.02.2026

Best Choice

01

Generisch

XPS Insulation Panels 20 mm - for 15.8 m² Surface | Waterproof & Pressure-resistant Perimeter Insulation Made of Extruder Foam | Ideal for Floor & Radiator Insulation | Frost-Proof - for Indoor and Outdoor Use

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Water resistance: extremely water-repellent XPS insulation board, ideal for inverted roofs and areas with constant moisture exposure
Versatile: perfect for perimeter insulation, floors, reverse roofs and green roofs
Product details: 20 mm panel thickness, frost-resistant and dimensionally stable, for long-lasting insulation performance
Pressure resistance: heavy-duty insulation board made of extruded polystyrene, suitable for patios and heavily stressed surfaces
Heat insulation: excellent insulation performance with a thermal conductivity value of 0.033 to 0.035 W/(m·K) for optimal energy efficiency

125,50 €
02

ZIEMER

Styrodur 2.0 cm x 56 cm x 117 cm 5 Panels Thermal Insulation Panels Suitable for Bathroom Renovations and Floor Insulation

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application: ideal for indoor and outdoor use, e.g. as insulation for walls, floors or ceilings. The material is resistant to moisture and mould.
Straight and smooth edge and surface design – colour: mint green
Set of 5 panels - thickness 2.0 cm - width 56 cm - length 117 cm - 3.27 m²
Resistant to moisture, mould and rot
Product safety: this product is only suitable for people over 14 years. Not a toy, but decoration, thermal insulation and model building items.
Material: Styrodur 2800 C, foam weight, strength 30 kg/m³, B1 flame retardant, Euro class E, DIN EN 13501-1, Styrodur 2800 C from BASF, Styrodur = reg. Brand: BASF
Machining - easy to cut with universal hand saw or utility knife
Lightweight and robust insulation boards: the Styrodur 10 mm thick panels provide excellent thermal insulation.
High compressive strength - room foam weight 30 kg/m3 - B1 fire behaviour DIN EN 13501-1: E - building material class DIN 4102-1
Easy to use: the panels are easy to cut and lay. Styrodur panels are an excellent solution for insulation purposes in construction and renovation. This extruded polystyrene foam board is characterised by its high thermal insulation capacity and is perfect for insulating walls, ceilings and floors. With a raw density of approx. 30 kg/m³, the plates are easy to handle and can be easily cut. The Styrodur panels are moisture-resistant, ageing resistant and dimensionally stable. With their excellent insulation properties, they contribute to effective energy saving and ensure a pleasant indoor climate.

64,60 €
03

Styrodur

Styrodur 2800 C, Polystyrene Hard Foam Board, Waffle Structure, Thickness 20 mm (1250 x 600, 1)

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Simple and practical processing with suitable saws or filament cutting machines
No harmful dust during mechanical processing
Low weight
Can be laid in all weather conditions

24,15 €
Value for Money

04

Styrodur

Styrodur 2800 C, Polystyrene Hard Foam Board, Waffle Structure, Thickness 20 mm (1250 x 600, 10)

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

No harmful dust during mechanical processing
Lightweight
Easy and practical processing with suitable saws or filament cutting machines
Can be laid in any weather

59,90 €
05

Klemer Spezialbaustoffe

Polystyrene Insulation Panels EPS DEO 035 dm - 100 kPa

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Very versatile.
Universal insulation, from pressure-resistant to particularly pressure-resistant.
Format: 1000 x 500 mm, various thicknesses.
Edge formation blunt, step fold or tongue and groove.

43,93 €
06

TAIANJI

TAIANJI Pack of 5 Foam Board, Hard Foam, Craft Board, Model Hard Foam, DIY Styrofoam Panels, Handmade Hard Foam Board for Landscape Modelling (20 mm)

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application: hard foam board XPS have a closed cell structure that provides excellent heat and sound insulation and can also be used for DIY work, decoration, packaging, model making, etc
High-quality materials: polystyrene panels are made of high-quality hard foam. These rectangular craft foam sheets are non-toxic and odourless, have a smooth surface and are free from impurities, which makes them very suitable for making delicate and difficult DIY crafts. Whether you are doing modelling projects, designing micro landscapes or creating artwork, this foam is the ideal choice
Extremely creative: hard foam boards are ideal for creative DIY projects. You can do unique crafts with it and turn your creativity into the reality required by the project. Whether you are doing modelling projects, designing micro landscapes or creating artwork, this foam is an ideal choice
Easy to cut and work with: High-density hard foam board is easy to cut and retain its shape, and by bending and grinding, they can be repaired. Very suitable for decorative design with acrylic paint, glitter, rope, flowers and plants
Blue Styrodur craft: hard foam board 20 mm, the size is 30 x 20 x 2 cm. Polystyrene sheets are made of high-density non-porous foam, which is stronger than the usual thickness and can be used for DIY creations

17,99 €
07

Handelskönig

Neopor® NEO WLG 032 20 mm Styrofoam External Wall Insulation Boards, 1000 x 500 mm, Pack of 20 Boards (10 m²)

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Top quality: Environmentally friendly due to high eco-efficiency, easier handling due to weight advantage, dust-free and quick installation.
Technical data: Dimensions: 1000 mm x 500 mm. Thermal conduction group: 032.
Features: Low absorption of moisture, diffusion-open, stable and dimensionally stable, water-repellent, ageing and rot-resistant, weather-independent design.
Areas of application: High-quality facade insulation, Neopor insulation board EPS WDV NEO with excellent insulation capacity for modern, environmentally efficient work in facade insulation (WLG 032).

49,90 €
08

RANJIMA

RANJIMA Pack of 6 Foam Sheets Hard Foam, 40 x 30 x 2 cm Hard Foam White Polystyrene Panels Styrodur 20 mm Hard Foam DIY Model Making Material for Landscape Modelling Craft Foam Diorama Base

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide range of applications: the XPS panels 20 mm have a closed-cell structure that provides excellent heat and sound insulation. In addition to their use in DIY work and decoration, they are also suitable for packaging purposes and model making.
White Styrodur 20 mm set: this item contains 6 pieces of hard foam boards, each with a size of 40 x 30 x 2 cm. The polystyrene plates with a thickness of 20 mm are made from a high-density non-porous foam material. Compared to standard thickness, this foam is stronger and therefore ideal for various DIY creations.
Unlimited creativity: the Styrodur plates 20 mm are the dream for creative DIY enthusiasts. With them, you can make unique crafts and turn your creative ideas into reality. Whether you are working on modelling projects, designing micro landscapes, doing crafts, designing frames, building installation displays or exhibitions or making business decorations, this polystyrene board is the perfect choice.
Top quality material: the polystyrene panels 20 mm are made of high-quality hard foam. These rectangular craft foam sheets are characterised by their non-toxic and odourless. The surface is smooth and free from any impurities. This makes them particularly suitable for the production of filigree and sophisticated DIY crafts, be it for modelling projects, the design of micro landscapes or the creation of artwork.
Easy to use: the high-density hard foam panels can be easily cut and retain their shape. In addition, any damage can be easily repaired by bending and grinding. These foam boards are ideal for decorative designs with acrylic paints, glitter, ropes as well as flowers and plants.

29,99 €
09

TAIANJI

TAIANJI 40 x 30 x 2 cm Large Styrofoam Panels, Styrodur Craft Hard Foam Panels, Polystyrene for Miniature Landscape, Template, Painting (Pack of 5)

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Wide application: hard foam board XPS have a closed cell structure that provides excellent heat and sound insulation and can also be used for DIY work, decoration, packaging, model making, etc
Large styrodur crafts – hard foam board 20 mm, the size is 40 x 30 x 2 cm. Polystyrene sheets are made of high-density non-porous foam, which is stronger than the usual thickness and can be used for DIY creations
High-quality materials – polystyrene panels are made of high-quality hard foam. These rectangular craft foam sheets are non-toxic and odourless, have a smooth surface and are free from impurities, which makes them very suitable for making delicate and difficult DIY crafts. Whether you are doing modelling projects, designing micro landscapes or creating artwork, this foam is the ideal choice
Extremely creative – hard foam boards hard foam board are ideal for creative DIY projects. You can do unique crafts with it and turn your creativity into the reality required by the project. Whether you are doing modelling projects, designing micro landscapes or creating artwork, this foam is an ideal choice
Easy to cut and work with – high-density hard foam board is easy to cut and retain its shape, and by bending and grinding they can be repaired. Very suitable for decorative design with acrylic paint, glitter, rope, flowers and plants

29,99 €
10

ZIEMER

Styrodur 1.0 cm x 56 cm x 117 cm 5 Panels Insulation Panels Suitable for Bathroom Renovations Floor Insulation Footstep Sound Insulation Model Building Landscape Model Making and Architectural Model

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Wide application: ideal for indoor and outdoor use, e.g. as insulation for walls, floors or ceilings. The material is resistant to moisture and mould.
Styrodur panels are an excellent solution for insulation purposes in construction and renovation. This extruded polystyrene foam board is characterised by its high thermal insulation capacity and is perfect for insulating walls, ceilings and floors. With a raw density of approx. 30 kg/m³, the plates are easy to handle and can be easily cut. Thanks to their smooth surface, plaster and tiles can be applied directly. The Styrodur panels are moisture-resistant, ageing resistant and dimensionally stable. With their excellent insulation properties, they contribute to effective energy saving and ensure a pleasant indoor climate.
Straight and smooth edge and surface design – colour: mint green
Set of 5 panels - thickness 1.0 cm - width 56 cm - length 117 cm - 3.27 m²
Resistant to moisture, mould and rot
Material: Styrodur 2800 C, foam weight, strength 30 kg/m³, B1 flame retardant, Euro class E, DIN EN 13501-1, Styrodur 2800 C from BASF, Styrodur = reg. Brand: BASF
Machining - easy to cut with universal hand saw or utility knife
Lightweight and robust insulation boards: the Styrodur 10 mm thick panels provide excellent thermal insulation.
High compressive strength - room foam weight 30 kg/m3 - B1 fire behaviour DIN EN 13501-1: E - building material class DIN 4102-1
Easy to use: the panels are easy to cut and lay.

35,90 €