Hi Permie Friends! This is my first post! I really appreciate all of the information and ideas you have all given me over the years, now I’m finally asking a question! I am about to purchase about 200 kilos of polymerized linseed oil for sealing our earthen floor (and other projects since it’s a ridiculous amount, but the smallest amount we can get). The company sells 8 different viscosities from Z-2 to Z-9 on the Gardner Holt Scale. How does viscosity affect how the oil is absorbed into the floor and the longevity of the earthen floor? We will be waxing and buffing with electric buffer and a wax blend afterwards.
I plan on using some type of thinner obviously, so maybe it’s a moot point to bring up. If it’s super viscous maybe I add more thinner? If less viscous maybe I need less thinner? Unfortunately the factory does not sell samples, they come in these huge metal “tambos”. But the price is SO MUCH CHEAPER if I buy it in bulk. Maybe someone who is a woodworker or oil paint artist would be able to answer this question since they are more apt to have a working knowledge of polymerized linseed oil?
On a different note, but also related to earthen floors. I have made about 15 different samples for my earthen floor to check proportions/color/hardness etc....some of my samples included finely screened (1/16”) biochar and red “tezontle” volcanic sand which is found everywhere here in Morelos, Mexico. It is not fragile like pumice, but does have a lot of tiny air pockets that give it less compressive strength than normal masonry sand. Charcoal ALSO has a lot of microscopic air pockets which is great for absorbing gross smells but I wonder if these two porous materials combined in a earthen floor mix with my local clay would create a weak floor in the long run? The color is incredible, and that’s what i was going for when I threw those samples together. On the other hand, what if those two porous materials (charcoal and tezontle) coupled with the linseed oil would make a super hard floor since they can absorb MORE oil during the oiling process (obviously I won’t be running out of oil ha!)
I would so appreciate your thoughts, ideas, experiences, prayers Hahahha. We started our strawbale home on January 15th of last year and are so excited and VERY READY to be moving in by mid year! Happy new year folks!