Limewashes with Linseed Oil and Its Effect on Water and Salt Transport

Paints are the protective and aesthetic skin of buildings, so (re) painting is one most recurrent maintenance actions. Limewashes have been used since antiquity currently high interest for both conservation new construction, majorly thanks to their eco-friendly antiseptic features, ability improve performance materials in relation water transport. Linseed oil a traditional water-repellent additive that can enhance water-shedding properties limewashes. However, it has risk altering drying kinetics substrate if an improper dosage used. In this work, limewashes with addition varying dosages linseed applied on two types natural stone study effect paints respect salt The absorption by capillarity was reduced stones coated pure limewash oil, while rate slightly accelerated. salt-laden varied. damage developed during also diverged stones, damaging coats surface less porous mainly promoting efflorescence one.