Best Selitherm 25mm 2026

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Last Updated - 27.03.2026

Best Choice

01

TESO

DIHA KOMBI-FLEX PE Roller Shutter Box Insulation with Insulation Thicknesses 25 mm (Locking Lid 240 x 1000 mm), Flexible Insulation Mats

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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

Optimal adaptation: the insulation can adapt wonderfully to a wide range of structural conditions.
No chance for moisture: the insulation is closed cell and therefore water-repellent.
NO MORE HEAT BRIDGES - The tongue and groove joint of the roller shutter insulation is seamless, making it ideal for covering critical areas.
Easy repairs: For front inspection openings, access is possible at any time for any repairs to roller shutters or webbing.
Easy and quick installation: the installation of the insulation is very easy thanks to the flexible insulation mats. Insulation mat 500 x 1000 mm / sealing lid 240 x 1000 mm

35,90 €
02

BOUFEIDA

Edge Insulation Strips, 50 mm x 5 mm x 20 m Edge Insulation Strips, Self-Adhesive, Edge Insulation Strips for Compensating Compound, Edge Strips, Edge Insulation, Underfloor Heating Screed

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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

【Thickness and Width】: edge insulation strip self-adhesive 20 meters, 5 mm thick, width is 50 mm and provides sufficient protection and thermal insulation, allows a wide range of applications.
【High quality】: These edge strips are made of polyester foam, which guarantees a long service life and resistance to mechanical damage and moisture.
Versatile: The screed edge strip is for sealing between underfloor heating panels and walls and are used in all standard wet and dry screeds or in concrete construction of building parts.
Vantage: Strong viscosity, lightweight and stable; prevents the desired effects of thermal expansion and swelling thanks to its elasticity; insulates thermally and acoustically adjacent components; not subject to the ageing process.
Self-adhesive: The edge insulation strip screed is self-adhesive, which makes installation much easier and quicker. It does not require additional adhesives or tools to stick to the surface.

22,98 €
Value for Money

03

Schellenberg

Schellenberg 66267 Roller Shutter Box Insulation, Energy-Saving Insulation for Roller Shutters, WLG 033 Primatermo 3 mm, 2 x 150 x 37.5 cm Each

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20% Off
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

Self-adhesive insulation for uninsulated roller shutter boxes
Reduces heat loss and temperature fluctuations (WLG 033)
Prevents draughts and dust from entering
Effective noise and sound reduction
2 insulation rolls, each 150 x 37.5 cm

15,50 € 19,42 €(20% Off off)
04

Schellenberg

Schellenberg 66267 Roller Shutter Box Insulation, Energy-Saving Insulation for Roller Shutters, WLG 033 Primatermo 3 mm, 2 x 150 x 37.5 cm Each

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20% Off
9.2

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

Self-adhesive insulation for uninsulated roller shutter boxes
Reduces heat loss and temperature fluctuations (WLG 033)
Prevents draughts and dust from entering
Effective noise and sound reduction
2 insulation rolls, each 150 x 37.5 cm

15,50 € 19,42 €(20% Off off)
05

Insul-Tube

Insul-Roll XT Insulation Mat Self-Adhesive Rubber Insulation Mat 19 mm Insulation Thickness 1m² - 8m² Brand Quality Self-Adhesive Insulation Board 19 mm - 1 m²

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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.

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Main highlights

Features: Low thermal conductivity; prevents the formation of condensation; significantly improves the ecological and economic efficiency of refrigeration and air conditioning systems; and very suitable as vehicle insulation in motorhomes, caravans and camper vans, and for roller blind insulation.
Fire behaviour: no flammable material; flame retardant; certified according to BLs3d0 (EN 13501-1).
Brand quality: High-quality closed cell foam on a rubber base with a 19 mm insulation thickness with self-adhesive and grid-reinforced adhesive surface.
Box contents: Can be cut to between 1 m² and 20 m² or acquired as a full box (depending on the selection); a flexible insulation mat that can be easily and quickly cut as required; self-adhesive insulation mat (rolled goods).
Areas of use: For refrigeration and air conditioning systems, vehicle insulation, with a temperature range of between -30 °C and +95 °C (EN 14707).

19,48 €