Strybuc Industries will introduce Irion America's XP-Delta caulking gun at GlassBuild America. It tool has a switchable trigger thrust ratio with an adjustable ratio of 25:1 and 12:1 and a dripless technology function, both of which are activated by switches. Other features include a rubber-coated handle and trigger and a rotary carriage and ladder hook. It can accept 10.5 oz/310 ml cartridges. Booth #2505