Insulated internal wall panels

This panel is perfect for interior remodeling siding. Having the screw on view, it gives the panel an industrial look.


Type of PanelInterior Siding Sandwich Panel
UsageSiding for residencial and industrial áreas, and others
Useful Width1000 mm
Foam typePolyurethane (PUR) / Poly-isocyanurate (PIR)
Foam Thickness30 / 40 / 50 mm
Manufacturing periodEvery Week
DeliveryAccording to stock
Interior sheet color


The Insulated Internal Wall Panel is commonly used on walls, interior divisions, industrial warehouses, commercial centers, and residential communities. This interior siding sandwich panel is utilized in the building of units, mobile offices, work sheds, tool sheds, regular rooms, office divisions, living rooms, warehouse divisions, etc. Is the most sought panel, for its jointing system, which makes it easy to assemble and reduces installation costs. Furthermore, it´s the siding panel most recommended in the market due to its low cost and easy installation.

Our insulated internal siding panels for interior use are manufactured with two sheets galvanize metal, and pre-lacquered on white paint. Its coated paint has long-lasting durability and is very easy to clean. Its outline gives it great resistance against strong wind and could be manufactured with a smooth surface for interior use. The foam between the two metal sheets is made of polyurethane material, which is injected at a 40kg/m³ density. It is raised on rails or U form metal rivets bolted to firmly place them in the desired position. Its interior or exterior outline could be manufactured on different designs. The standard coated paint color is white, for a different choice, consult it for availability and delivery time frame.

The preferred siding sandwich panel, for encasement or unit construction.
The most utilized siding sandwich panel, for its lower cost.
It can also be used on interior divisions, like office encasements, remodeling of walls, etc.
Consult our available colors: White Pyrenees RAL 1006, Red Tile RAL 7001, Navarra Green RAL 3000, Lake Blue RAL 4000, Metalic Silver RAL 9006, Bidasoa Cream RAL 2002.
Its carve and the joint system give it a well-sealed fit, against dampness and water leakage.
Simple and quick installation process.
The finishes are built on the same color as the panel, and perfectly fit

Technical Data

Principal characteristics on insulated internal wall panels

Metal Sheet Thickness30 / 40 / 50 ( 2 mm)
Average Foam density 40 kg/m³ (2 kg/m³)
Useful width1000mm (2 mm)
Cut-angle0mm (0.006*w nominal width)
Straightness0mm (1 mm/m max 5 mm)
Shrinkage or Longitudinal bending0mm (2 mm/m max 10 mm)
Min length1000mm ( 5 mm)
Max length16 000 mm (19 mm) according to delivery
Fire resistence PUR-UNE 13501-1B-S3-D0 (30 mm) / C-S3-D0 (>30 mm)
Fire resistence PIR-UNE 13501-1B-S2-D0

*This values are for informitive guidence only. For a more specific information, contact one or our sales executives.

The technical data values on the Insulated Internal Wall Panles, are average results, these values can suffer minor changes depending on the thickness of the panel and its metal sheets. However, the values have been confirmed and surpass those standard values that are in today´s market.

Thermal insulation and weight

Panel SandwichThermal TransmissionWeight
Average thickness(coeficient on K over W/m²k)(Kg/m²)
30 mm0.6810.60 Kg/m²
40 mm0.5311.00 Kg/m²
50 mm0.4411.40 Kg/m²

*This values are for informitive guidence only.  For a more specific information, contact one or our sales representive.

On the Interior Siding Sandwich Panel, insulation thickness has three 3 different thickness types, made out of polyurethane, due to its great capacity of thermal insulation. The average insulation types are equal or superior to those shown in the above table and are tested on sheet metal thickness 0,5/0,5.

Panel´s weight resistance according to distance

Distance (m)Pression (Kg)Vacuum (Kg)

*This values are for informitive guidence only. For a more specific information, contact one or our sales representive.

The specific values, were tested on Siding Sandwich Panels of 30 mm thickness with 2 or more supporting points, on the 0,4/0,4 metal sheet, the values are the minimum requested, having point loads that support more than shown. For more information or generic resistance tables according to panel configuration, contact one of our commercial executives.


The Internal Siding Sandwich Panel is built with two sheet metals, its outline is pre-lacquered in galvanized metal, which encloses a rigid insulated foam, made out of polyurethane material, injected in a 40kg/m³ in diameter. The composition of these indoor box panels offers excellent performance in all types of environments, leakage and moisture resistance, is simple to maintain, and is easy to clean. Due to these advantages, utilizing this type of panels on your construction sites could guarantee long live durability on your Project for a very low Price.

In Panel Sandwich Group, we manufacture different thicknesses that will adapt to all types of projects; to check the disponibility of our Siding Panels, contact one of our sales executives. Our Siding Sandwich Panel, view screw, and type Box are available in thicknesses of 30, 40, and 50 mm, but with the possibility of manufacturing higher thicknesses between 60 and 80 mm, which guarantees the appropriate protection for all types of developments and reforms.

The installation of the Siding Sandwich Panel, and view screws, is incredibly simple since it has a matching system that ensures the correct unión between panels and reduces leaks. Usually are raised on rails or U-shaped rivets, with self-drilling screws for greater strength, and then bolted between them.

This Insulated internal wall panel, is the most low-budget panel found within the siding panels category, its soft outline can support outside forces, such as strong winds, when it´s installed on exterior sites, for example, industrial warehouses, and shopping malls. However, its main function is to separate internal units, for the sectorization of offices, industrial warehouses, storehouses, etc. It could also be manufactured on a smooth surface when used in interior reforms, utilizing better space for installation and providing a more elegant look.

The Siding Panel manufactured by Panel Sandwich Group has a performance against fire categorized as C S3 D0 / B S2 D0 due to its insulated core made of polyurethane. This performance is certified by official tests established by the current Spanish regulations and whose results equal or improve the values required in the European framework.

Sandwich Panel Installation process

Accessories and endings


Protects the external area of the facade at the 90º meeting point between two sandwich panels for a spectacular finish. Available in white and various sizes.


It is anchored at the 90° joint between two panels. This will prevent leaks, unwanted movements and a good aesthetic finish from the inside.


Metal omegas are the perfect solution to act as a support or secondary structure for panels or simple sheet metal. Among the many advantages are weight resistance and reduced assembly costs.


The U-shaped finial serves as a rail or guide for insulated wall panels. Screwed on the floor or under the roof, it provides a support point on which the sandwich panel is fixed to offer maximum protection. It is manufactured in the same color as the wall panel, generally Pyrenean white.


Screw specially optimized for installing Panel Sandwich Group wood panels. Ask us about the specific fasteners depending on the project time and we will recommend the best option.


We provide the screws for self-drilling metal structure to fix the Insulated Wall Sandwich Panel. Any work or reform should pay attention to the small details, so we will guarantee a result and total effectiveness.

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