Softwood lye No. 401

For light-coloured, Scandinavian style wooden floors: lye pigmented slightly white designed for new, sanded, solid coniferous wood inside. Following the application, treat with AURO Wood soap No. 403 or AURO Wood soap, white No. 404. Provides an open-pored, entirely moisture vapour permeable finish with a very light-coloured and natural look. Recommended for use on little frequented rooms, e.g. bedrooms or guestrooms as the product is only little dirt-repellent. Apply with a brush, wide paint brush or foam roller.

  • Maintains the light wood colouring
  • Slightly pigmented
  • Ready to use


Wash wood rich in active substances with alcohol-based thinner, sand and clean after drying. Apply the lye liberally and evenly in direction of the fibres. Subsequently treat surface with AURO Wood soap no. 403 or 404.


The product is not suited for use on hardwood. The product is slightly alkaline, therefore it is recommended to wear gloves and goggles durng the application.

Technical data sheet


Safety data sheets


Full declaration

water, calcium hydroxide, potassium lye, mineral fillers, cellulose

Information about our raw materials

Amsham, Germany
Wooden house
Garden Kingdom of Dessau-Wörlitz
Floor at Oranienbaum Manor House
Trading units
Coverage per sq.m
2 20

Our recommendations

Matching products for Softwood lye No. 401.

  • Economical concentrate
  • For soap treatment
  • For cleaning and care

  • Economical concentrate
  • For soap treatment
  • For cleaning and care

Living with AURO
The application of AURO products is a child’s play. We are happy to give advice.