Haus Erdas - Società Cooperativa Sociale ONLUS

Via Sardegna 15, 09170, Oristano (OR)

Tel: 3338243430 | VAT NUMBER: 01201760954


Created by Christian Pircher



Nowadays wood is one of the most requested construction materials. It creates a warm and welcoming atmosphere and meets one of the most important needs of our time: the desire of a better quality of life and a more natural living way.

Lamellar wood


Lamellar wood is composed by at least 3 lamellas glued parallel to the fibers. Thanks to the resistance classification and to the uniform arrangement of lamellas, a higher capacity than solid wood is obtained. The high capacity, non-deformability and versatility of the products but also the superior quality of the finishings ensure different application opportunities in the construction sector.



Cork is widely used even in the Green Building and Green Architecture sector; in fact for its physico-chemical properties is a great material used for thermal, acoustic, anti-vibration and anti-condensation insulation, whereas for its naturalness and transpiration it’s an environmentally friendly, eco-sustainable and fair trade-based material. In many contexts, as: tourist residential complexes, social centers, schools, restaurants, gyms and arenas, designers choose construction materials for thermal and acoustic insulation taking strictly into account the performances associated to the eco-sustainability.

Gypsum fiber boards

Gypsum fiber boards are composed by just 2 natural components: gypsum and cellulose fibers obtained from recycled paper which is selected and comminuted. The productive process consists of a mixture of these 2 components in water (without any other binder); the gypsum mixed in the water reacts (calcination) and envelops the cellulose fibers, penetrating them; subjecting this uniform base mixture to compression, gypsum fiber boards are obtained in desired thicknesses. After cutting in various formats and after the drying, sheets are polished and treated with a waterproofing primer on both sides. Thanks to the fiber presence, gypsum fiber sheets have a high stability, great mechanical resistance and great fire resistance characteristics.




OSB (Oriented Strand Board) is a material that is made in the form of wood panels and consists of glued flakes that are subsequently pressed in various layers.

It’s usually used in worksites because it has a high mechanical resistance and is particularly suitable for support functions, floorings, coatings, roof coverings. Different kinds of panels are available depending on the load kind to be supported and on environmental conditions in which they will be installed.

Cellulose fiber



Cellulose fiber is a completely ecological material, consisting of wadding of short cellulose fibers treated with appropriate dosages of micronized additives that make it self-extinguishing and rarely attackable from insects rodents. By utilizing this product and blowing-in system, the optimal house insulation is obtained, with a notable economical saving on the energy cost.

Vapor barrier



Vapor barrier sheeting is suitable for walls, roofs and ceilings. It protects insulating materials from vapor that could form on the insides and prevents humidity formations inside the insulating material.

Solid construction wood KVH



Solid construction wood KVH represents a material developed in a specific way for the high requirements of modern wood construction and with productive traits precisely defined. KVH is a product made in solid wood dried in technical manner, classified by resistance and finger-jointed in red spruce. KVH is subject to other external checks to the general requirements of the construction work supervising KVH. Company controls of additional quality and monitoring are made on the basis of existing agreements in matter of solid construction wood KVH.


Insulating panel in wood fiber


Insulating panel in wood fiber has a versatile application for roofs, walls and floorings. The capacity of insulating and accumulating heat and the practical format of sheets represent ideal requirements for the application in multiple constructions. It offers a great  cold and heat protection and extraordinary acoustic insulation thanks to the porous structure of the sheets. It’s a material open to the diffusion at high absorption capacity for safe constructions and tested for a great fire resistance and acoustic insulation.

Plasterboard panels


Gypsum coated sheets, produced in various sizes, versions, thicknesses and dimensions, for walls constructions, counter-walls and ceilings, usable in all construction typologies for internal finishings. Sheets consist of a gypsum core, obtained from natural rocks, coated on both sides by special cardboard sheets, obtained by recycled paper.

A meticulous and refined quality control system follows every phase of the productive cycle to guarantee absolute performance quality of every sheet that arrives on the worksite.

Stone wool


Stone wool is a natural material, highly insulating, used frequently in constructions. It’s a product of volcanic origin, discovered on Hawaii islands at the beginning of the century. Used to thermally and acoustically isolate buildings and individual rooms, in reality it is a consequence of molten lava’s resolidificating process, that is thrown during volcanic eruptions. Moreover, the same structure, also favors the absorption of acoustic waves, allowing the attenuation of noise propagation. Stone wool does not absorb neither water nor humidity and is chemically neutral. Meaning that on the inside there are no traces of any aggressive or corrosive product and doesn’t even allow the growth and developing of microorganisms, like fungi and bacteria.

Hemp panels


Hemp fiber panel is an excellent insulation for buildings and it favors summer cooling. Its breathable properties avoid the possibility of interstitial condensation, guaranteeing healthy living environments, free from bacteria, mold and microbes. It is durable over time and 100% recyclable. It’s ecological and bionatural (ANAB certified and LEED accredited), a great thermal and acoustic insulation. Hemp panel is thermally linked without glues and insensitive to humidity. It is also a breathable material and does not require vapor barriers.

External plaster


The external walls of buildings will be finished with natural certified plaster, environmentally friendly. Mineral structured plaster is made of white lime, white cement and white marble sand in various grain sizes. Plaster is consolidated by a reinforced net.