Junction sole plate to block footing, further thoughts

[saveasteading]

Judging by BH suggestions (for which thanks) when I asked, there doesn't seem to be a recognised solution.

I want a seal that will stay sealed permanently, whereas most mastics become hard and brittle in fairly short time.

Also there are inevitable variations in gap in placing a timber against blockwork.

Draughts and spiders are to stay outside. I think I have decided to go for this product.  

 

 

It goes on thickly enough to fill gaps, then will squidge when the sole plate is fixed, and stays permanently flexible.

I think a bead to each side, plus perhaps another in the middle or a squiggly line.

I was surprised and pleased to see this is a Sika product. I asked the rep if it was appropriate or if there was another product more commonly used, but he didn't know.

I suspect people mostly use expanding foam  but I don't like it.

Sika mentioned  EB25 as an option....it seems to do everything, but is perhaps not the best at any of these purposes.

 

145 is costing £36 for 12 too....so not a big risk to try it.

 

Comments welcome of course. Footings being dug, timber starts in 3 weeks!