The knots were treated before painting with knotting liquid
Inside many coats
Lots coats on outside
Water stains on inside on rainy days drys out in good weather
My Summerhouse has many many knots.
I have painted the outside over the past 4 years about 12 times with RONSEAL FECELIFEPLUS
The inside the knots are bad and I have treated each with Knotting liquid
I have emulsioned the inside with 5 coats paint
When it rains dampness still comes through the...