The lumber used in trusses is exclusively strength-graded and calibrated planing material. The main cooperation partners for timber are Stora Enso Eesti AS, Puidukoda Oü, Rait AS, Combimill OÜ, and Virumaa Metsatööstus AS. The tiles are from Ristek Oy, Mitek Industries AB and Arras Construction Furniture OÜ.