On interior surfaces, to stabilize slightly sandy, chalky or highly absorbent surfaces. As an adhesion agent for LIVOS wall paint coatings. Can also be used as a primer for wallpapering on gypsum boards, see also LAVO Natural Wall Paper Paste No. 535.
Water vapor permeability. Transparent. GRAVA Wall Primer Sealer No. 408 was rated as (strong)very good(/strong) in the magazine "Ökotest: Guide for Construction, Habitation, Renovation" edition 5 / 2003.
With a wide brush or ceiling brush at temperatures above 10 °C (50 °F). Wash equipment from time to time as soon as grains and streaks begin to appear.
Determine the exact amount needed by doing a test application. 1 liter (1.06 quart) is sufficient for approximately 34 m² (183 ft²), i.e. 29 ml/m². Consumption could be considerably less, depending on the condition and absorbency of the surface.
Further information and processing instructions can be found in our technical data sheet.