Torvbråten school is a public school in Asker, Norway, that has reached many sustainability goals. The school was the second in Norway to have Nordic Swan Ecolabel and has a 60 % reduction in carbon footprint compared to the reference benchmark. The building is made of cross laminated timber (CLT) and extensive wood use in general. From a wood protection viewpoint, will this sustainability sustain? We take a second look at the building and assess in term of potential scenario in carbon footprint. Production of CLT is however only about 10 % of the material carbon footprint, while insulation has the largest contribution of about 35 %. Material efficiency in production and design is highly utilised through pre-manufacturing of the building, but the outdoor areas are more challenging in finding sustainable solutions. Wood has been used in many areas of the building and some places might need more protection. Also, potentials for improving the sustainability through protection are evaluated. Can reused materials be applied in similar buildings and can the materials be reused?

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