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Make your building airtight & weatherproof

We help architects, builders and installers to build energy-efficient buildings.

Check out the latest technical guide carefully curated by SIGA experts

Weatherproofing and Airtightness for Mass Timber

Looking for a detailed guide to ensuring an air- and weathertight mass timber building?

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Popular products

Wetguard® 200 SA

Diffusion open and robust full-surface self-adhesive membrane for reliable moisture protection of timber floors during the construction phase.

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Fentrim® grommet white

Robust, extremely adhesive grommet for permanent sealing of round penetrations for indoor application.

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Fentrim® 2

Plaster-compatible, pre-folded adhesive tape for outdoor connection with windows and doors, resistant to driving rain.

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Find your solution for an airtight and weatherproof building envelope

Products in residential buildings

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Products in commercial buildings

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Products in residential buildings

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Products in commercial buildings

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Video: Build a safe thermal envelope
 

Thermal Insulation: The Ultimate Guide to A Safe Thermal Envelope

Are you an architect or a builder who's finding answers to your building problems concerning "Thermal Insulation"?

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SIGA Event Video 2022

The film about the employee event 2022. Find out what makes working at SIGA so special.

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Meet us

Bau, Munich1/13/2025, 7:00 am - 1/17/2025, 6:00 pm
Munich, Germany

Booth: A3 333

bau-muenchen.com

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BouwBeurs, Utrecht2/3/2025, 7:00 am - 2/7/2025, 6:00 pm
Utrecht, Nehterlands

Booth 11.B056

www.bouwbeurs.nl

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Recent SIGA blog posts

Clean solution for penetrations, cables and ducts

On every construction site, cables, wiring and pipes pass through the airtight and windtight building envelope. Only when these penetrations are perfectly airtight is a leak-free building envelope guaranteed. That’s exactly why SIGA now has the new Fentrim® grommets.

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Window Renovation in Focus - Tips from the Expert

Today, we would like to give you an insight into the topic of window renovation. To do this, we talked to Hendrik Schimmele, a window expert working in technical sales at SIGA. He shared valuable information and tips with us regarding the renovation of old windows.

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By boat to the construction site: The challenge of rebuilding a hut in the middle of the ocean

Learn more about the exciting project in the Bassin d'Arcachon: The reconstruction of a Cabane Tchanquée in the middle of the sea. SIGA supported this project with a specialized waterproofing solution to protect the hut from extreme weather conditions.

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Project References

Landsbankinn, Iceland

The new headquarters of the largest Icelandic bank is inspired by nature.

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Springfield Meadows, Great Britain

Greencore Constructions plans buildings for a sustainable lifestyle. 25 zero-emission buildings are being built in Southmoor.

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Sluishuis in Amsterdam, The Netherlands

A new landmark for Amsterdam: iconic in design and pioneering in sustainability.

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Airtightness Guide RIBA Stages 0-7

This Guide helps British architects like you to guide the airtightness decision making process during the design and installation process.

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Jobs

Become part of the SIGA team. Be inspired by our corporate culture.

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