SMS Wallplate 3D Medium This wallplate to use with SMS Flatscreen WM 3D when you need to strengthen the wall. Here are the products article no:s Technical info Documents Article no Applications Finish : White Other : For installation of SMS WM 3D on gypsumboards. Product sheetManualTechnical drawing FS041009 SMS Wall Plate 3D Medium White Applications All that is left is to get the popcorn.