Substrates treated with linseed oil and stains containing linseed oil must be cleaned down to the bare woodwork, as linseed oil can cause blister formation when treated with stains or paints.īefore or immediately after installation treat with a brush coat of Visir Pigmented Primer. Remove loose paint and loose wood fibres by wire brushing before applying a suitable disinfectant. Previously Treated Surfaces: Clean with a suitable detergent. Vacuum impregnated windows must be degreased and all sharp edges rounded before the primer is applied.
New Woodwork: Substrates that have been untreated for more than 4 weeks must be cleaned and loose wood fibres must be removed by sanding or wire brushing.
Substrates must be sound, clean and dry before starting treatment.
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