Projects in the area of noise barriers
| YEAR | PROJECT | TIPE / DESCRIPTION | FORN. | MONT. | QTD. | UNID. |
| 2010 | Ciudad Real | Mixed (Steel and Acrylic) | X | X | 600 | m² |
| 2010 | Pais Basco | Mixed (Steel and Acrylic) | X | 4.704 | m² | |
| 2010 | León | Steel | X | X | 120 | m² |
| 2010 | R.S.A. Abrantes | Steel | X | X | 500 | m² |
| 2010 | MonteAdriano – Subconcessão do Douro Interior – Lote 4 e 5 – Obras de Estradas | Acrylic | X | X | 500 | m² |
| 2010 | Infratúnel – Auto-estrada do Marão – A4/IP4 – Amarante / Vila Real | Mixed (Steel and Acrylic) | X | 1.743 | m² | |
| 2009 | Teruel | Mixed (Steel and Acrylic) | X | 1.944 | m² | |
| 2009 | Ourense - Carballino | Steel (TGV Madrid - Coruña) | X | X | 6.000 | m² |
| 2009 | Famalicão - A3 | Mixed (Steel and Acrylic) | X | 15.500 | m² | |
| 2009 | Variante de Tabua | Mixed (Steel and Acrylic) | X | X | 100 | m² |
| 2009 | Valongo - A4 | Mixed (Steel and Acrylic) | X | 9.900 | m² | |
| 2008 | IC19 | Mixed (Steel and Acrylic) | X | 7.000 | m² | |
| 2008 | Alicante - Via Central | Steel | X | X | 500 | m² |
| 2008 | Cadiz | Steel | X | X | 7.700 | m² |
| 2008 | A66 - Salamanca | Steel | X | X | 3.200 | m² |
| 2008 | Zumaia | Steel | X | X | 1.800 | m² |
| 2008 | Valladolid | Wood | X | X | 2.700 | m² |
| 2008 | Valladolid | Steel | X | X | 2.200 | m² |
| 2008 | Sevilha - Ronquilho | Mixed (Steel and Acrylic) | X | X | 2.000 | m² |
| 2008 | Zaragoza | Mixed (Steel and Acrylic) | X | X | 700 | m² |
| 2008 | Arco de Baulhe | Mixed (Steel and Acrylic) | X | 3.000 | m² | |
| 2008 | Burgos | Mixed (Steel and Acrylic) | X | X | 750 | m² |
| 2008 | Valladolid | Steel | X | X | 10.050 | m² |
| 2008 | A17 - Amieira | Steel | X | X | 250 | m² |
| 2008 | A17 - Quiaios/Tocha 2ª Fase | Steel | X | X | 1.000 | m² |
| 2008 | A28 - Ligação a Caminha | Mixed (Steel and Acrylic) | X | X | 3.700 | m² |
| 2008 | Valladolid | Wood | X | X | 700 | m² |
| 2008 | PI da Bafureira - Cascais | Steel | X | X | 200 | m² |
| 2008 | EN207/IP9 - Longra/Felgueiras | Acrylic | X | X | ----- | ----- |
| 2008 | EN222 | Mixed (Wood and Concrete) | X | X | 600 | m² |
| 2008 | Aveiro | Acrylic | X | X | ----- | ----- |
| 2007/2008 | A17 - A14 - Quiaios/Tocha | Steel | X | X | 10.600 | m² |
| 2007 | Carretera Candás / Luanco - Asturias | Acrylic | X | X | 300 | m² |
| 2007 | Urbanizacion Castro Urdiales | Steel | X | X | 1.500 | m² |
| 2007 | Sevilha - Duplicacion de la A-392 entre la A-92 y la variante de Mairena y Viso de Alcor | Steel | X | X | 2.700 | m² |
| 2007 | Toledo - Ávila | Steel | X | X | 800 | m² |
| 2007 | UTE Ronda - Zamora | Mixed (Acrylic and Concrete) | X | X | 1.800 | m² |
| 2007 | Alicante - Campello | Steel | X | X | 500 | m² |
| 2007 | Cádiz - Jerez de la Frontera | Steel | X | X | 500 | m² |
| 2007 | Alicante - S. Vicente de Raspeig | Mixed (Steel and Acrylic) | X | X | 21.500 | m² |
| 2007 | A17 - Marinha Grande/Mira - Lote 3 | Mixed (Steel and Acrylic) | X | X | 925 | m² |
| 2007 | Cidade Real - Argamasilla | Steel | X | X | 3.700 | m² |
| 2007 | A25 - Barra/Gafanha da Nazaré | Mixed (Steel and Acrylic) | X | X | 7.367 | m² |
| 2007 | Ferrol | Mixed (Steel and Acrylic) | X | X | 2.200 | m² |
| 2006 | UTE JAEN - Manchareal | Steel | X | X | 1.200 | m² |
| 2006 | Tramo Amodovar del Rio - Antequera / Santa Ana de La Linea de Alta Velocidad - Córdoba - Málaga | Steel | X | X | 1.600 | m² |
| 2006 | Bengoetxe UTE - Galdakao | Steel | X | X | 4.000 | m² |
| 2006 | UTE Benalmadena - Málaga | Steel | X | X | 900 | m² |
| 2006 | Autovia Aljucen - L-P-Badajoz | Steel | X | X | 1.075 | m² |
| 2005 | Autovia del Cantabrico - Villalegre / Vegarrozadas - Astúrias | Mixed (Steel and Acrylic) | X | X | 2.652 | m² |
| 2005 | Linha Férrea do Norte | Reconstruction and Repair of Drainage System Stormwater | ||||
| 2005 | Ave Teruel - Santa Eulália - Teruel | Mixed (Steel and Acrylic) | X | X | 2.050 | m² |
| 2005 | Variante de Oliveira do Bairro/Anadia | Drainage Network and Services Affected | ||||
| 2005 | Autovia Via Parque - Alicante | Mixed (Steel and Acrylic) | X | X | 2.345 | m² |
| 2005 | Ave Villagarcia de Arousa - Vigo | Mixed (Steel and Acrylic) | X | X | 5.200 | m² |
| 2005 | Alargamento da EN114 - Santarém | Network of Water Supply, Stormwater Drainage, Building Tours and Laying Kerb | ----- | ----- | ||
| 2005 | Autovia 2º Cinturon - Vigo | Mixed (Steel and Acrylic) | X | X | 990 | m² |
| 2005 | Remodelação da A25 | Drainage Network and Services Affected | ||||
| 2005 | Riachos/Torres Novas | Water Supply Network | ----- | ----- | ||
| 2005 | Autovia del Cantabrico - Vegarrozadas / Soto del Barco - Astúrias | Mixed (Steel and Acrylic) | X | X | 320 | m² |
| 2005 | Arronches - Campo Maior | Water Supply Network | 32 | km | ||
| 2005 | UTE Linea 7 Metro - Madrid | Steel | X | X | 170 | m² |
| 2005 | Variante de Bregua - Culleredo - Coruña | Steel | X | X | 1.185 | m² |
| 2005 | SCUT Norte Litoral | Mixed (Steel and Acrylic) | X | 10.000 | m² | |
| 2005 | Autovia Ormaiztegui - Zumarraga - Bilbao | Mixed (Steel and Acrylic) | X | X | 2.080 | m² |
| 2004 | Zona Envolvente à Exponor - Matosinhos/Porto | Steel | X | X | 3.300 | m² |
| 2004 | Envolvente do Hospital de Torres Novas | Water Supply Networks and Services Stormwater Drainage | ||||
| 2004 | Variante à EN326 entre Mansores e Arouca | Services Stormwater Drainage | ||||
| 2004 | Variante à EN326 entre Mansores e Arouca | Mixed (Steel and Acrylic) | X | X |