Moisture-variable vapor barriers

Moisture-variable vapor barriers

Humidity-variable vapor control layers for maximum safety

Humidity-variable vapor control layers ensure particularly reliable airtightness and protect the structure from moisture damage. Unlike traditional vapor control layers, they adapt their diffusion resistance to environmental conditions, responding flexibly to temperature and humidity.

In winter, humidity-variable vapor control layers act as strong vapor barriers, preventing moisture from entering the insulation. In summer, they become more vapor-open, allowing building components to dry out. This drying potential significantly increases the overall safety of the construction.

These systems are ideal for use in roofs, walls, and demanding renovation projects. Especially in unclear or critical construction setups, humidity-variable vapor control layers offer a high level of protection and flexibility.

DASATOP Vapor Barrier 150 m²
Sub-and-top vapor barrier and airtight membrane for all constructions with diffusion-open underlayment or underlayment membranes.
365,00 EUR
2,43 EUR per
incl. 19% tax excl. Shipping costs
INTELLO X  75 m² - All-round hydrosafe® high-performance vapour control membrane
UV-resistant membrane for internal/external insulation build-ups (incl. blown-in). Suitable for diffusion-open or -tight roofs.
250,50 EUR
incl. 19% tax excl. Shipping costs
INTELLO X Vapor Barrier 150 m²

UV-resistant membrane for internal/external insulation build-ups (incl. blown-in). Suitable for diffusion-open or -tight roofs.

513,00 EUR
incl. 19% tax excl. Shipping costs
INTELLO X conect 75 m² - Hydrosafe® high-performance vapour control membrane with self-adhesive strips
Humidity-variable airtight/vapour control membrane for pitched, flat and green roofs. Works with fibrous insulation incl. blown-in; external retrofits between two layers require mineral/stone wool only.
273,60 EUR
3,65 EUR per
incl. 19% tax excl. Shipping costs
INTELLO X PLUS Vapor Barrier 75 m²
For use on the inside of cavity insulation as well as in external insulation on a solid substrate in combination with all fibrous insulation materials - including blown-in insulation materials.
273,00 EUR
3,64 EUR per
incl. 19% tax excl. Shipping costs
INTELLO conneX Connection Strip 21 cm Airtight Hydrosafe
Connection strip for sealing joints (e.g. floor-to-concrete slab connections, wood-based panels), for connections at the purlin, and for repairing leaks in roofs, walls, ceilings and floors.
42,00 EUR
0,84 EUR per
incl. 19% tax excl. Shipping costs
INTELLO conneX Connection Strip 37.5 cm
Connection strip for sealing joints (e.g. floor-to-concrete slab connections, wood-based panels), for connections at the purlin, and for repairing leaks in roofs, walls, ceilings and floors.
77,00 EUR
1,54 EUR per
incl. 19% tax excl. Shipping costs
INTELLO conneX Connection Strip 50 cm
Connection strip for sealing joints (e.g. floor-to-concrete slab connections, wood-based panels), for connections at the purlin, and for repairing leaks in roofs, walls, ceilings and floors.
99,00 EUR
1,98 EUR per
incl. 19% tax excl. Shipping costs
17 to 24 (from a total of 31)

Using humidity-variable vapor control layers correctly

For effective airtightness, not only the right vapor control layer is important, but also proper installation. All joints, overlaps, and penetrations must be executed in a permanently airtight manner to reliably prevent moisture ingress.

Special attention should be paid to transitions to adjacent building components as well as cable and pipe penetrations. Coordinated tapes, sealants, and grommets ensure a secure and long-lasting seal.

As a specialist supplier, we offer humidity-variable vapor control layers along with matching accessories for professional installation. This ensures your construction remains protected and energy-efficient in the long term.