I bought this to remove a concrete block from a basement wall to install an exit window. I used a Dewalt diamond grinder, a Dewalt HEPA vacuum and this cover. It did a fantastic job! Although I still used plastic for the curtain and a fan, the homeowner was very happy with the extra protection I got with this mount. As long as the shroud was pressed against the block, I could barely see the dust. I would recommend this tool to any contractor looking to get rid of dust on renovation projects. I…