Air and vapour barriers
Top tips for caulking - which caulking gun is best & tips on how to do a clean caulking job
...caulking from the gun
With the caulking gun facing away from you, pull the metal bar towards you as far back as it will come. Then put the tip of the tube into the opening in the metal at the business end of the gun and put the round metal plate into the base of the tube and pull the trigger until its tight. Gun loaded...