PART OF THE BIGGER PICTURE
PREFABRICATED. PROACTIVE. FAST.
Karanttia: An expert in prefabricated and modular buildings, as well as in civil defence. We are specialised in civil defence shelters built of concrete elements and prefabricated modular bathrooms.
We have exceptionally extensive experience in both civil defence and ready-to-install and prefabricated products. In addition to prefabricated products, Karanttia offers professional building design for more reliable and efficient overall site design. This way, we always guarantee trouble-free solutions.
Together with our customers, we build a safer and better everyday life. Explore our products and services here!
A civil defence shelter made of concrete elements is the quickest way for building a shelter complying with regulations and standards. Karanttia® civil defence shelters are easily modifiable. Their area, height, and shape are fully adaptable to the purpose and the target building. Civil defence shelter installation takes place on a turnkey basis quickly, in only 2-4 workdays.
Karanttia® civil defence shelter: An S1 category element civil defence shelter complying with all technical standards. It is convenient, safe, and cost-effective as a building solution. All of our civil defence shelters are supplied as complete packages including emergency equipment and supplies.
Our modular bathrooms are always delivered completely ready for installation. In addition to the finished structure, the prefabricated module includes bathroom furniture and fittings, as well as interior design. The frame of Karanttia® modular bathrooms is made of concrete. The actual installation at the site takes only 15 minutes.
The Karanttia® modular bathroom is an innovative complete product. The prefabricated, modular solution brings benefits for the work site. The quality is consistent and the cost of the construction project under better control. Our design and production process allows flexibility and customized solutions.
A range of bathroom products is available through us, including Normbau bathroom fittings and aids, as well as the Cavere bathroom collection and Avaava washbasins made of the material Durat. We also use these products in all of our Karanttia® modular bathrooms.
We offer a wide range of bathroom equipment. Our collection includes, for example, clothes hooks, shower handrails, soap dispensers, hair dryer holders, and waste bins. In addition, we offer a comprehensive range of accessible toilet aids.
Our design team can help you with various building projects. A team of construction design specialists is at our customers’ disposal, including an architect, HVAC and electrical designers, and a structural designer. The objective of construction design is to ensure the success of the overall design and integration of prefabricated parts into the larger whole.
Our special expertise also encompasses the design of accessible toilet premises and signage. Furthermore, we produce ready-made and downloadable design images for professional use in the required formats.
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Karanttia Oy Perusturva is a family business founded in 1987 and specialized in civil defence and modular construction products and design services. Karanttia’s flagship product is the concrete element-based civil defence shelter. Another key product is the modular bathroom made of concrete and pre-furnished. Karanttia also imports a range of bathroom products and accessories.
Karanttia’s concrete products are manufactured by the family company Rakennusbetoni- ja elementti Oy in Hollola, which has served as our stable and reliable co-operation partner of from the very beginning.
Karanttia Oy Perusturva also offers design services, design images, and unique international-level expertise in accessibility.
Karanttia Oy Perusturva is part of the Karanttia-Avaava business entity owned by Antti Kairinen, the founder of Karanttia, and his children. They are also responsible for the operation of the business entity. Karanttia and Avaava Oy, a company specialised in accessibility, operate in the same premises and engage in a lot of common development work across corporate boundaries. Besides sharing the premises, the companies share the best practices and operating models.
The starting point and purpose of Karanttia’s operations is serving the developer and providing carefree, prefabricated complete solutions based on the turnkey principle.
Numerous construction professionals have chosen our prefabricated element and modular products for their sites all over Finland. Together with our customers, we develop long-lasting building solutions of excellent quality.
Toukovuori day-care centre, Porvoo
Simonkallio day-care centre, Vantaa
Asunto Oy’s Käpylän Posteljooni, Helsinki
Hartela’s headquarters, Helsinki
Tesoma’s Elinkaarikortteli, Tampere
Pohjola Rakennus Oy
Kinnari School, Järvenpää
Asunto Oy, Vantaan Kukintie 2, Vantaa
Jatke Uusimaa Oy
Kiinteistö Oy, Turun Joukahaisenkatu 9, Turku
Asunto Oy’s Lielahden Helmi, Tampere
Asunto Oy Seinäjoen Tuohi, Seinäjoki
Kumpula Gadolininkatu 1, Helsinki