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White HPL sheets

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Everything you need to know about white HPL

HPL sheet (High Pressure Laminate) is popular with DIYers and professionals alike and is used for many different exterior applications. For example, HPL or Trespa® is an excellent replacement for gable ends and wind springs. The sheets consist of a wood fibre core that is compressed under high pressure. This process gives the core the same properties as hardwood. The outer layers of an HPL sheet are finished with a coat of phenolic resin that is virtually unbreakable. This makes HPL very resistant to moisture, UV radiation and changes in temperature.

Applications of white HPL

HPL sheets are specially developed for outdoor applications. Consider, for example, plastic cladding for buildings, billboards and plastic fascia boards. HPL is also an inspiring material to use indoors. For example, you can use the sheets as a shower wall or splashback in the kitchen.

Types of HPL white

Our range includes white HPL sheets from the Trespa® brand as well as our own brand HPL laminate. The thicknesses that we offer in our range of own-brand HPL sheets vary from 3 mm to 20 mm. The white sheets have the colour code RAL 9016. This colour is a good basis for panels that you are intending to paint or spray.

Tip: Discover our white Trespa® sheets as well.

Working with white HPL sheets

Machining HPL is very similar to machining hardwood. Use hard steel tools such as a metal saw and drill for this task. You can paint, drill, saw, glue and mill HPL. Always bear in mind that this material expands or shrinks faster than other plastic materials.

Properties of white HPL

  • Chemical resistant
  • Heat resistant
  • Shockproof
  • UV resistant
  • Moisture resistant
  • Lifespan 30 years


Property Test method Property or attribute Unit Values
Thickness EN 438-2.5 Thickness mm 2,0 ≤ t <   3,0   ± 0,20
3,0 ≤ t <   5,0   ± 0,30
5,0 ≤ t <   8,0   ± 0,40
8,0 ≤ t < 12,0   ± 0,50
12,0 ≤ t < 16,0   ± 0,60
16,0 ≤ t < 20,0   ± 0,70
20,0 ≤ t < 25,0   ± 0,80
25,0 ≤ t < nader overeen te komen
Flatness EN 438-2.9 Maximum deviation mm/m 1 side decor:
2,0 ≤ t < 5,0   ± 0,50
2 side decor:
2,0 ≤ t <   6,0   ≤ 8,0
6,0 ≤ t < 10,0   ≤ 5,0
10,0 ≤ t              ≤ 3,0
Length and width EN 438-2.6 Length and width mm + 10 / 0
Straighness of edges EN 438-2.7 Maximum deviation mm/m 1,5
Squareness EN 438-2.8 Maximum deviation mm/m 1,5
Resistance to surface wear EN 438-2.10 Wear resistance Revs IP ≥ 150
Resistance to immersion in boiling water EN 438-2.12 Mass increase % CGS: 2 ≤ t < 5 ≤ 5        CGF: ≤ 7
CGS: 5 ≤ t       ≤ 2        CGF: ≤ 3
Thickness increase % CGS: 2 ≤ t < 5 ≤ 6        CGF: ≤ 9
CGS: 5 ≤ t       ≤ 2        CGF: ≤ 6
Surface appearance gloss finish Rating ≥ 3
Surface appearance other finishes ≥ 4
Edge ≥ 3
Resistance to dry heat (160 °C) EN 438-2.16 Surface appearance gloss finish Rating ≥ 3
Surface appearance other finishes Rating ≥ 4
Resistance to wet heat (100 °C) EN 438-2.18 Surface appearance gloss finish Rating ≥ 3
Surface appearance other finishes Rating ≥ 4
Stability at elevated temperatures EN 438-2.17 Cumulative dimensional change % 2 ≤ t < 5   ≤ 0,40   ≤ 0,80
% 2 ≤ t   ≤ 0,30   ≤ 0,60
Resistance to impact by large diameter fall EN 438-2.21 Drop height mm 2 ≤ t  < 6   ≥ 1.400
2 ≤ t          ≥ 1.800
Indentation diameter mm 10 mm
Resistance to crazing (thick laminates) EN 438-2.24 Appearance Rating ≥ 4
Resistance to scratching EN 438-2.25 Surface appearance smooth finishes Rating ≥ 2
Surface appearance textured finishes Rating ≥ 3
Resistance to staining EN 438-2.26 Appearance groups 1-2 Rating 5
Appearance group 3 Rating ≥ 4
Lightfastness EN 438-2.27 Contrast Grey scale rating ≥ 4
Resistance to water vapour EN 438-2.14 Surface appearance gloss finish Rating ≥ 3
Surface appearance other finishes Rating ≥ 4
Electrical resistance EN 61340-4-1 RV (23° C / 50% RH) Ohm 1×109 – 1×1011
Thermal conductivity EN 12664: 2001 W/m . °K 0,25
Coefficient of linear thermal expansion ASTM D 696 °C -1 L = 1,6 x 10-5 ca.
L = 3,5 x 10-5 ca.
Flexural strength EN ISO 178 Stress ≥ 80
Flexural modulus EN ISO 178 Stress ≥ 9.000
Density ISO 1183 Density ≥ 1,35


Test method Norm Classification CGF Classification CGS
Small flame and radiation px UNI 8457, UNI 9174, UNI 9177 Class 1 Class 1
Spread of flame BS 476-7 Class 1 Class 2
Fire rating DIN 4102-1 B1 B2
Epiradiatore NF P 92-501 M1 /
Fire behaviour of materials and components EN 45545-2: 2013 2 ≤ t < 25 mm    HL1 - HL2 - HL3 5 ≤ t ≤ 25 mm    HL1 – HL2
Reaction to fire EN 13501-1 2 ≤ t < 6 mm    B-s2,d0    t ≥ 6 mm B-s1,d0 t ≥ 4 mm D-s2,d0    t ≥ 6 mm C-s2,d0    t ≥ 12 mm B-s1,d0

Indoor / outdoor use

  • Inside
  • Outside

Usage options

  • Chemically resistant
  • Heat resistant
  • Moisture-proof
  • UV resistant
  • Vandal-proof

Maintenance of white high pressure laminate

The great thing about white Trespa® and HPL sheet is that this material requires almost no maintenance. With the right maintenance set, cleaning white HPL is an absolute breeze. Thoroughly clean your exterior cladding at least once a year. This way it keeps looking beautiful and the material will certainly last for 30 years. View our tips for cleaning white Trespa® and HPL.

Top tip:

We recommend Kenotek Brilliant Wash as the best detergent for cleaning HPL exterior cladding. This mild, self-drying shampoo removes all dirt deposits and leaves a protective wax layer on the plastic.


HPL, or High Pressure Laminate, sheets are the first choice for handymen and professionals when it comes to exterior panelling. Trespa® and HPL sheets are commonly used to replace old, wooden fascias, roof edges and wall cladding panels. This material is also suitable for interior purposes in bathrooms and kitchens. The required sheet thickness depends strongly on the purpose of the sheet; therefore, we stock a wide range of thicknesses from 3 to 20 millimetres. The white HPL sheets have RAL number 9016 – traffic white. This is a solid base colour for many applications, but it is also possible to paint, or spray paint the sheets. HPL is also available in a variety of colours. Each HPL sheet can be cut to your required size and will be ready for delivery within 48 hours.

The properties of white smooth HPL sheets

HPL sheets have a tough core that consist of wood fibres forced together under high pressure. This results in a strong core that has the same qualities as hardwood. The core is covered by a rock-hard phenolic acid top layer. These layers are nearly unbreakable. In our range you will find our private label HPL sheets and HPL sheets from renowned brand Trespa®.

Originally, HPL sheets were designed for outdoor applications. Due to its characteristics HPL plastic is often used for exterior cladding on buildings, billboards and fascia boards. Despite HPL’s popularity for outdoor use, it is also suitable for interior applications like shower screens and kitchen splashbacks. The phenolic resin top layer has an extremely high molecular density which makes it impenetrable for dirt and moisture. This results in a material that is moisture, UV and temperature resistant. But it also causes the sheets to become relatively heavy and to work on the sheet requires proper, strong tools. The sheets are not easy to get through with a normal saw blade, therefore, we recommend you use a saw that is suitable for metal or hardwood. For drilling holes in the sheet, you can use a metal drill bit or the special HPL drill that is available in our online shop. If you are planning on fastening a heavy HPL sheet, we recommend you use Bostik adhesives and primers or the special HPL screws.

Order white HPL sheets

Ordering HPL sheets in the colour white? We are happy to help you and will cut the sheets to size for you. Bear in mind that the thickness can deviate approximately 10%. You will receive the order within 48 hours and we will send you updates about the status of your order via e-mail.


Do you have any questions about our products or the ordering process?

We are happy to help you. Please contact our customer service: