Two rows of caulk should be used beteewn courses. If closed cell foam tape or backer rod is used route a groove for it in the bottom of the upper log so as not to form a water trap. When completed a bead of caulk should also be maintained along all joints.
Two rows of caulk should be used beteewn courses. If closed cell foam tape or backer rod is used route a groove for it in the bottom of the upper log so as not to form a water trap. When completed a bead of caulk should also be maintained along all joints.