Our Materials
In Green Heritage projects, we use a wide range of different materials. However, there is a core group of particularly important materials that we rely on to build sustainably and effectively.
Below is a detailed description of each of these materials and their role in our constructions, from a sustainable construction perspective. We are very selective with the companies we work with, and many have become our friends after years of collaboration. Some are multinational corporations, while others are family businesses that have been passed down through five or more generations. All of them work with immense passion and dedication. We learn from them every day, and they are an essential part of our commitment to quality and sustainability.
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KVH
KVH (Konstruktionsvollholz) is a solid structural timber known for its stability and reliability. It is kiln-dried and finger-jointed, providing a sustainable solution for wooden structures. KVH is free of chemical treatment, which makes it an eco-friendly choice for load-bearing elements in sustainable buildings.
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Glulam GL24
Glulam GL24 Glued laminated timber, commonly known as Glulam, is a structural material composed of layers of dimensioned timber bonded together with strong adhesives. Glulam GL24 is a sustainable choice for structural elements due to its high strength-to-weight ratio and the efficient use of smaller pieces of wood, reducing waste. It offers flexibility in design and is suitable for curved or long-span structures.
Dowell laminated Timber
Dowel laminated timber represents solid, flat timber construction elements that are used not only in single or multi-family houses but also in extensive large-scale construction projects.Our DLT wall and ceiling elements are made from individual wooden slats, which are joined together without glue, using a hardwood dowel.
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CLT (Cross-Laminated Timber)
Cross-Laminated Timber is a versatile, solid wood panel product made from glued layers of solid-sawn lumber. CLT panels are used for walls, roofs, and floors. Its production uses wood from sustainably managed forests, and its high performance as a structural material makes it ideal for low-carbon construction, significantly reducing embodied energy compared to concrete or steel.
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Black Cork Agglomerate
Cork is harvested from the bark of cork oak trees, a renewable resource. Black cork agglomerate is an excellent insulating material with thermal and acoustic properties. It is produced from waste cork, making it highly sustainable. Cork agglomerate is used in walls and facades to provide efficient insulation while minimizing the environmental impact.
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Hemp Wool (with Jute)
Hemp wool, combined with jute, is a natural and sustainable insulation material. It offers outstanding thermal and acoustic insulation properties while being breathable, allowing moisture to pass through and reducing condensation issues. Hemp is a fast-growing crop that sequesters carbon during its growth, contributing to carbon-neutral construction.
Clay
Clay is a natural building material with a low environmental impact. We use clay in various forms, such as plasters and panels, to improve indoor air quality and provide passive regulation of humidity. Its thermal mass properties also help to maintain consistent indoor temperatures, reducing the need for mechanical heating or cooling.
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Clay Panels
Clay panels are used as interior wall materials to provide a natural and healthy environment. They help regulate indoor humidity and offer thermal mass, which contributes to energy efficiency. The natural properties of clay ensure a toxin-free and breathable living space, ideal for sustainable building.
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Clay Paints
Clay paints are made from natural clay and pigments, providing a breathable, toxin-free finish for interior walls. They help maintain indoor air quality by absorbing humidity and offer a soft, natural appearance that contributes to a relaxing atmosphere.(Naturclay).
Clay Plasters
Clay plasters are used for interior wall finishing and provide a natural, breathable surface that helps regulate indoor air humidity. Clay is a non-toxic material that contributes to healthy indoor air quality, and its thermal mass properties also add to the building's overall energy efficiency.
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Lime Mortar
Lime mortar is used in masonry and plastering applications. It is more flexible and breathable compared to cement-based mortars, allowing for natural moisture regulation and reducing the risk of cracking. Lime is also a low-carbon material, making it a sustainable choice for construction. We use it ETICS in cork panels.
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Fine Lime Plasters
Fine lime plasters provide a smooth, breathable finish for walls. They help to regulate moisture levels within the building, preventing condensation and mold growth. Lime plasters are made from natural materials and are a sustainable alternative to modern synthetic plasters.
Sprayed Cork
Sprayed cork is used as an exterior finish and provides a seamless, durable, and highly insulating coating. It is a renewable material with excellent thermal and acoustic properties, offering an eco-friendly solution for building insulation and exterior protection.
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Ceramics
Ceramic tiles and finishes are used in areas that require durability and moisture resistance. Ceramics are made from natural clay and are highly durable, contributing to the longevity of the building. The production process has a relatively low impact, especially when sourced locally.
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Melamine
Melamine is used for interior finishes, particularly for cabinetry and furniture. While it is not entirely natural, it offers a durable and cost-effective solution for interior fittings, helping to reduce waste through its long lifespan and scratch-resistant properties. We also use melamine for lining walls and ceilings, given the hundreds of available textures and colors, providing versatile design options.
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Thermally Treated Wood
Thermally treated wood is used for exterior cladding and decking. The thermal treatment process enhances the durability and resistance of wood to decay without using chemicals, making it a sustainable alternative for outdoor applications.
Metal Sheets
Metal sheets, such as zinc, are used for roofing and exterior cladding. Zinc is a durable and recyclable material, which makes it a sustainable choice for weatherproofing. It also requires minimal maintenance and has a long lifespan, contributing to the overall sustainability of the building.
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Magnesium Oxide Panels (MGO)
MGO panels are used as a fire-resistant and mold-resistant sheathing material. They are an eco-friendly alternative to gypsum and cement boards, providing durability and resistance to moisture, pests, and fire, which is ideal for sustainable building practices.
Wood Veneers
Wood veneers are thin layers of wood used for decorative finishes on furniture and interior elements. Veneers allow for the use of less wood compared to solid lumber, maximizing the use of valuable timber resources and contributing to sustainable material use.
Lime Paint
Lime paint is an eco-friendly finish made from natural lime. It has excellent breathability and anti-microbial properties, which help to maintain a healthy indoor environment. It also contributes to moisture regulation and provides a beautiful, natural finish to interior and exterior surfaces. (Bawerck Color)
Fermacell
Fermacell® gypsum fibre boards offer a wealth of advantages compared to conventional dry construction systems. They facilitate the work on the construction site and ensure significant time and cost savings without having to make concessions in terms of quality or load-bearing capacity.
Silicate Paints
Silicate paints are mineral-based and are known for their durability and breathability. They form a permanent bond with the underlying surface, which makes them a long-lasting and sustainable choice for building facades. Silicate paints are free from harmful VOCs, ensuring a safe and healthy indoor environment. (Biofa)
Fibre Cement Panels
Fiber cement panels are used for exterior cladding due to their durability and resistance to weathering. They provide a low-maintenance solution that can last for decades, reducing the need for frequent replacement. Fiber cement is also non-toxic and fire-resistant.
Decorative Elements
Decorative elements in our projects reflect our dedication to working closely with artisans from around the world. We incorporate natural materials such as wood, metal, and clay, celebrating traditional decorative arts from various styles and cultures.