Originally Posted by bighit I used to lag duct work in building to kill the noise (not as loud as an airgun shooting through it mind you) we used glass wool that had a ali foil on the outside . like this http://www.rock-wool-insulation.com/...s-blanket.html Thats a great tip, I'll follow that up, will be dead easy to wrap it in that then some roof felt over the top, thank you ld grin:
http://www.airgunbbs.com/showthread....-range-project http://www.airgunbbs.com/showthread....ckdown-project
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