Airtight Building

The term Passive House refers to a rigorous and voluntary standard for energy efficiency in a building to reduce its ecological footprint. Adapting...

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25 products found

Airtight self-adhesive vapour permeable membrane

Airtight Tape

Airtight, flexible high insulating polyurethane foam


Sprayable and brushable hybrid coating

Hybriseal 306 Coating

Professional ETA004:2000 certified B1 adhesive foam for external insulation facade systems

PU Thermo Adhesive B1

High quality professional and universally paintable hybrid, elastic sealant for joints

All-In-One Seal

Adhesion promotor for butyl and bituminious membranes

B&B Primer Universal

Professional flexible air tight polyurethane foam

Bostik P755

Airtight self-adhesive membrane


Airtight self-adhesive fleece membrane

Butylband Fleece

Cleaner for non porous surfaces


Impregnated multifunction thermal and air tight joint-sealing tape

Compress Band 2D

Impregnated multifunction vapour variable, thermal and Airtight joint-sealing tape

Compress Band 3D

Impregnated polyurethane foam joint sealing tape

Compress Band BG1

Flexible high insulating polyurethane foam

Flex-Foam B2

Membrane adhesive

Foliefix® SPUR

Low modulus hybrid sealant

Hybriseal® Façade

PE Glazing Tape

PE Glazing Tape

Adhesion promoter for sealants to porous substrates

Primer B1

Airtight Building

The term Passive House refers to a rigorous and voluntary standard for energy efficiency in a building to reduce its ecological footprint. Adapting the Passive House Standards results in buildings that require little or no energy for cooling and heating the interior of that building. The term Passive House was developed in Germany, and the first Passive Houses were built in Darmstadt, Germany in 1990. A similar standard, MINERGIE-P, is used in Switzerland. Den Braven is also member of the Swiss MINERGIE-P platform and our products also fulfil the requirements of this standard.

Passive House Standards
Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design. Although it is mostly applied to new buildings, it has also been used for refurbishments. The Passivhaus Standard requires that the building fulfils the following requirements:
1. The building must not leak more air than 0,6 times the house volume per hour (n50 ≤ 0.6 / hour) at 50 Pa (N/m²) as tested by a blower door;
2. Total primary energy (source energy for electricity, etc.) consumption (primary energy for heating, hot water and electricity) must not be more than 120 kWh/m² per year;
3. The building must be designed to have an annual heating and cooling demand as calculated with the Passivhaus Planning Package of no more than 15 kWh/m² per year in heating and 15 kWh/m² per year cooling energy OR to be designed with a peak heat load of 10W/m²;
4. Passive solar design;
5. Correct use of landscape;
6. Super insulation;
7. Advanced window technology;
8. Ventilation;
9. Space heating;
10. Lighting and electrical appliances.

Den Braven ‘s Value Proposition for Air Tightness
If we highlight the first aspect of the Passive House Standard, Den Braven is able to explain everything about this topic. Den Braven is able to offer a full portfolio of products to reduce the air loss in your building. These products are tested and certified according to the air loss requirements of the Passive House Standards. Once these products are applied correctly they will contribute to increase the insulation value, reduce noise and keep the rain out. The Den Braven products in this portfolio have the ability to contribute a 90% saving on energy costs to heat or cool the interior of the building.
All of these products are meant to contribute to durable building, saving energy consumption, saving money and protecting the environment.

Den Braven is able to not only present the concept but fully demonstrate the products at our Centre of Excellence. Part of the presentation is the building itself. The Centre of Excellence fulfills all requirements of the Passive House Standard and even generates its own energy needs. The Centre of Excellence requires so little energy that the excess energy it produces is transferred to the Den Braven Headquarters parking lot, where charging stations for hybrid and electric cars have been installed.