All Tiger cabin logs are meant to interlock that has a chamfered finish to make sure a comfortable suit. The exceptional 4-way chamfered notch method is specially made to prevent damp or wind penetration. So I'm hoping you have the gist by now. But Otherwise, I will reveal once again. https://cornersummerhouse81123.bloggactif.com/30868124/the-5-second-trick-for-corner-summer-house