Yes they can. If there has been a few days since the concrete has been cast, the location of the shrinkage cracks has likely been determined. You may have cracking occur between the new installed joints. You often find cracks form near sawcut joints. I've seen it often with sidewalks and...
Thanks... if originally cedar, there are natural extractives that give it moisture, rot and insect resistance. Some cedars are better than others. Do you know if there are any tests undertaken to see if there's an improvement in the material?
I was aware of that... Mass timber can develop protection. I understand the char layer also makes the next exposure to fire easier even though it offers protection. The treatment is generally used for dimensioned lumber and cladding not mass timber.
Recently, I’ve come across a finish treatment called ‘Shou Sugi Ban’. It was developed in Japan and consists of finishing exterior wood surfaces with a light ‘char’. This apparently provides a durable surface.
The improvements include making the surface more water resistand by closing open...