OTRA your company specializing in the advice and installation of natural, ecological and sustainable materials
OTRA - HERITAGE and EXCEPTIONAL BUILDINGS
The re-valuation of the built heritage is our spearhead.
Our coherent and respectful approach to old buildings allow us to access the most beautiful heritage preservation projects.
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We support and advise our clients, owners, companies, investors , etc. throughout this process of preservation, energy optimization, from structural work to finishing.
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We are also accompanied by collaborating craftsmen, tailors, sculptors, specialist in traditional moldings, painter, experts in pathologies… to offer a complete service.
OTRA - INSULATION & RENOVATION
MATERIALS EFFICIENT
FOR DEMANDING CUSTOMERS
Insulating materials par excellence:
hemp, grass fiber, rice straw, cork, sheep's wool, wood fiber ...
We have selected for you the most efficient materials in terms of environmental, comfort and sustainability .
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Our composite wall solutions are incredibly efficient, the feeling is unique.
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The a significant lasting melioration comfort thanks to the quality of our materials with their good diffusivity, the water and thermal regulation, optimized phase to be cool in summer and acoustic enhancement, anti-allergen and fire resistance.
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The ecological footprint of our actions is positive for the planet because the materials put in place capture CO2 throughout its process.
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You live, work in a place that manages itself thanks to the ACTIVES walls of OTRA!
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Constructive system adapted to OTRA solutions
the post-beam for construction and extension
We prefer the post-beam, wood, oak, Douglas, steel or low-carbon concrete construction system without clinckers !
This choice allows our customers to have great freedom to develop their property over time, the possibility of having large openings to the outside while maintaining the stability of the building. This technique used since the dawn of time has proven itself from the traditional half-timbered house to the tallest buildings of our time. Our wall filling techniques make them more durable and comfortable.
HEMP - LIME - CLAY - CORK - ANCIENT WOOD - NATURAL FIBERS
The choice of natural materials in a construction, renovation or extension greatly improves the comfort of living of its inhabitants.
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Our selection from the best suppliers on the market ensures quality and irreproachable guarantee for our work.
CONTEMPORARY - TRADITIONAL - WABI-SABI - SCANDINAVIAN - ETHNIC…
Our multiple posing techniques will satisfy the most demanding in terms of designs, atmospheres, and feelings.
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The effects and rendering of materials are authentic with inimitable charm.
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No compromise! All styles are allowed:
slowdesing - slowliving, wabisabi, contemporary, traditional, ethnic, Scandinavian ...
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We make custom samples for our customers.
