Best Delta Dachfolie 2025

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Last Updated - 09/06/2025

Best Choice

01

Aquagart

Aquagart High Quality Diffusion-Open Underlay Sheet, 50 m Formwork Sheet, Black, 130 g/m², 1.5 m Wide, SD Value: 0.02 m, Roof Film, Waterproof & Breathable, Roofing Felt Roofing Felt

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9.9

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

The sealing membrane with a fire behaviour of class E offers a three month UV stability and a water vapour permeability of 2000 g/m²/24 h
The roof underlay is made of high-quality material and impresses with its enormous stability, extreme tear resistance and high steam diffusion
The 3-layer roof film is waterproof and breathable thanks to a breathable PE membrane between the two PP fleece layers
The 1.5 m wide black underlay has a surface weight of 130 g/m, a resistance to water passage: class W1 and an SD value of 0.02 m
Our underlay film is applied directly to the rafters or roof formwork, or can also be laid directly on the thermal insulation

77,29 €
02

ALMO

ALMO Diffusion-Open UV Underlay 37.5 m² (1.5 x 25 m), Facade Sheet, 130 g/m², Underlay Sheet, Water-Repellent and UV-Resistant with Integrated Self-Adhesive Seam

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9.7

Exceptional

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Main highlights

️Versatile – The ALMO underlay can also be used as a facade membrane with closed facades.
️Special fused function – The water vapour permeable material allows optimal air circulation inside and prevents mould formation.
️Reliable protection: the ProLine 130 can be laid directly on the thermal insulation or wooden construction and provides safety against driving rain.
️Extremely tear-resistant – The three-layer construction with 2 fleeces on the outside and a special membrane makes the ProLine 130 very tear-resistant.
️Easy to use: with a surface weight of 130 g/m² and double self-adhesive strips (SK), the ProLine 130 is safe and quick to install.
️CLASSSIFICATION – The ALMO ProLine 130 complies with the ZVDH classification UDB-A / USB-A.

74,40 €
03

AMF Life

AMF Life Roof Sheet, Roof Foil, Underlay Panel, Vapour Blocker, 115 g/m², Anthracite, Width 150 cm, Length Selectable

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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

Very easy, quick processing, easy to cut without fraying, protective layer for thermal insulation from wind and moisture.
Multi-layer quality fleece, breathable, UV-stabilised, waterproof, anti-mould, weather-resistant, high vapour diffusion.
Long life: extremely robust and durable, 115 g/m² strong material, tear-resistant, anti-mould thanks to diffusion-open material
- -

45,99 €
04

Hausa

HAUSA Classic HU100 Underlay Sheet 100 g/m² Flexible Three-Layer Highly Diffusion Open Underlay Sheet 1.5 m x 50 m (75 m²) Tear-Resistant Weather-Resistant without Self-Adhesive Strips Waterproof

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9.3

Excellent

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Main highlights

Technical data: water vapour permeability, SD value: < 0.02 m (+0.03; -0.01); weight: approx. 100 g/m² (+/- 10%), colour: grey, fire material class: E; resistance to water passage: class W1, UV resistance: 3 months; tensile strength in longitudinal direction: 150 (+30; -30) [N/50 mm], tensile strength in transverse direction: 85 (+20; -20) [N/50 mm]; elongation in longlonglonglongdirection direction 80 (+30; -30) [%]; elongation in transverse direction: 150 (+50; -50) [%]; resistance to tearing: 100 (+30; -30) [N]
Store in premises in a dry place, away from frost and heat. Keep out of weather conditions and direct sunlight. Avoid contact with wood impregnation that has not yet dried out.
Product features: Hausa Classic underlay HU100 is made from two layers of polypropylene fleece and a functional film and is equipped with a special anti-reflective coating that prevents the negative effects of light reflections. The functional membrane contains UV stabilisers that slow down their ageing process.
Our product: Hausa Classic HU100 is a flexible, three-layer, highly diffusion-open underlay, underlay and formwork sheet with high water vapour permeability (SD value <0.02 m) and high durability. Tear-resistant, weather-resistant and completely waterproof.
Contents: 1 x roll 1.5 m x 50 m (75 m²) underlay sheet Hausa Classic HU100 without self-adhesive strips; surface weight: 100 g/m²; on the product there are special prints that allow the formation of overlaps.
APPLICATION: Hausa underlay HU100 can be used on all ventilated and unventilated roofs under a variety of roof coverings such as ceramic/concrete/clay and sheet tiles etc. It can be laid directly on the thermal insulation or on the wooden construction (formwork) (without ventilation gap). Thanks to the light weight of the product, working on the roof is easy and safe.

59,95 €
Value for Money

05

Smabix

SMABIX® Aluminium Roof Film, 5 x 1 m, Self-Adhesive with Strong Bitumen Adhesive, Easy to Use, Alternative to Roofing Felt & EPDM Film, Ideal for Garden Sheds, Garage Roofs and Sheds

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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

Use: this self-adhesive roof film is perfect for garages, garden sheds, carports and sheds. It adheres to wood, metal, concrete and bitumen - ideal for various roof coverings.
Size and dimensions: the roof film measures 5 x 1 m, ideal for smaller areas. For a 15 m² garden shed you need 3 wheels. The film has a thickness of 1.2 mm and a weight of 6 kg per roll, making it durable and easy to handle.
Quality and reliability. Trust our experience and positive feedback from satisfied customers to ensure your roof is well protected.
Installation: Make sure that the outside temperature is at least 12 degrees during installation to ensure optimal adhesion of the self-adhesive bitumen sheet.
Ideal quality: as an alternative to roofing felt and EPDM film, this aluminium roof film offers easier handling. Compared to EPDM roofing film, it does not require special tools or glue and it is more cost-effective
High-quality material: made of robust aluminium with strong bitumen adhesive, the roof sheet is tear-resistant, durable and UV-resistant. It provides a waterproof roof cover and protects efficiently against the elements.
Easy to install: the roof film is self-adhesive and allows quick and easy installation without the use of special tools. Simply peel off the protective film, apply and smooth out. No welding or drilling required - ideal for everyone.

39,90 € 49,90 €(20% Off off)
06

Ultiness

ULTINESS - Roof Film Aluminium Self-Adhesive Film, Alternative to Roofing Felt, KSK Roofing Sheet for Sheds, Carports and More, Silver Grey, 5 x 1 m

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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

Technical design – approx. 5 x 1 m, thickness: 1.1 mm, weight/roofing sheet: approx. 6 kg, extremely flexible, no welding required, crack-bridging and tear-resistant, high durability for long-term protection, gives your roof a new, attractive appearance
Quick and easy to use – Our tensioning track roof uses thermoplastic bitumen adhesive. This makes it easy to install without having to drill holes. With its siliconised, removable film, it can be easily attached to your roof - without the use of special tools
Made in Germany – quality from Germany
High-quality materials and hand-made materials – our self-adhesive roof film ensures reliable durability of your roof. Unlike conventional roofing felt rolls, this is a cold waterproof sheet with an aluminium top layer and a self-adhesive base. Rely on quality and durability.
Extend the love of your roof – our self-adhesive film effectively protects your roof. It seals it and prevents moisture from entering. The aluminium foil is extremely resistant to temperature extremes, wind and rain, and can therefore withstand harsh weather.
Effective thermal coating – Our self-adhesive bitumen sheet offers a larger alternative to conventional roofing tape. Thanks to the aluminium coating, it reflects sunlight and reduces heat absorption to avoid overheating your roof. Especially in summer, it ensures a pleasant coolness.

69,99 €
07

Alfa

Alfa 1 x Flexible High Performance Adhesive Tape 50 mm x 25 m Professional Quality Vapour Barrier Vapour Barrier Roof Films Smooth Film Tape System Tape

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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

Strong adhesive power – the Alfa Flex film tape is characterised by its strong, durable and reliable adhesive strength on a wide range of materials
Sticks to many materials – the adhesive strength, elasticity and resistance ensure that the flex can connect airtight with a wide range of materials
Guaranteed long-lasting sealing: thanks to its strong adhesive strength and elasticity, the tape clings airtight to a wide range of surfaces and allows a durable and airtight seal
Fast, reliable, inexpensive, craftsman quality
Durability: the high product quality, strong adhesive strength and resistance ensure durability, so we offer a 10 year functional guarantee
10-year functional guarantee – we trust our product, so we offer all customers a 10 year functional guarantee

12,90 €
08

Alfa

Alfa 6x Pro Special Adhesive Tape 50 mm x 25 m Professional Quality Vapour Barrier Vapour Barrier Roof Film Aggressive Adhesive Airtight Film Tape System Tape

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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.

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Main highlights

High ageing resistance
Free from home toxins (solvents, chlorine, formaldehyde)
Easy to tear by hand
Complies with the requirements of ZVDH and EnEV!
Aggressive adhesive special tape

64,99 €
09

Ultiness

Ultiness® Roof Film, Aluminium Self-Adhesive Film, Alternative to Roofing Felt, KSK Roofing Sheet for Sheds, Carports and More, 5 x 1 m (Brick Red)

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8.7

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

Technical design – approx. 5 x 1 m, thickness: 1.1 mm, weight/roofing sheet: approx. 6 kg, extremely flexible, no welding required, crack-bridging and tear-resistant, high durability for long-term protection, gives your roof a new, attractive appearance
Quick and easy to use – Our tensioning track roof uses thermoplastic bitumen adhesive. This makes it easy to install without having to drill holes. With its siliconised, removable film, it can be easily attached to your roof - without the use of special tools
Made in Germany – quality from Germany
High-quality materials and hand-made materials – our self-adhesive roof film ensures reliable durability of your roof. Unlike conventional roofing felt rolls, this is a cold waterproof sheet with an aluminium top layer and a self-adhesive base. Rely on quality and durability.
Extend the love of your roof – our self-adhesive film effectively protects your roof. It seals it and prevents moisture from entering. The aluminium foil is extremely resistant to temperature extremes, wind and rain, and can therefore withstand harsh weather.
Effective thermal coating – Our self-adhesive bitumen sheet offers a larger alternative to conventional roofing tape. Thanks to the aluminium coating, it reflects sunlight and reduces heat absorption to avoid overheating your roof. Especially in summer, it ensures a pleasant coolness.

69,99 €
10

Generic

Roof Underlay Sheet, Roof Film, Underlay Sheet, Vapour Barrier, Underlay Sheet 1.5 m x 10 m, 25 m, 50 m Underlay Sheet Veltec 100 g/m² Roll 75 m² Roof (37.5 m² (25 m x 1.5 m))

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8.6

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

SIZE: One roll corresponds to an area of 75 m² and has the specific dimensions 1.5 m x 50 m. Calculate how many rolls you need to get started with our product as soon as possible.
APPLICATION: It has been developed for use on pitched roofs as a waterproofing layer and can also be used as a wind protection layer for walls in houses with wooden frame construction. The above features indicate roofing sheets as a protective layer laid directly on the rafters or as a full formwork under the roofing.
Our product: Veltec 100 is a new three-layer roofing sheet, which is manufactured using a modern lamination process on the latest machines. This makes it possible to offer a product with high mechanical strength, high vapour permeability and waterproofing.
Main features: Veltec membranes can be laid in direct contact with the thermal insulation installed in the roof. For this reason, we recommend the use of membranes when building usable attics. Water vapour permeability: Class W1
Detailed information: our underlay sheet offers a surface weight of 100 g/m² ± 20%. Application temperature: -30 ÷ 80°C. Tensile strength: in longitudinal direction 350 N/50 mm, in transverse direction 100 N/50 mm. Water vapour permeability (Sd) 0.015 m. Additional fire behaviour class F.

35,00 €