ProVantage 3 in. Thick Vertical Half-Spacer (10-Pack)

ProVantage Mortar-Free Glass Block Installation System just made installing your 3 in. Thick Series glass block project fast and fun with a simple DYI-friendly installation solution which uses silicone and grout instead of mortar. The 8 in. Vinyl Half Spacers are specially shaped to be positioned vertically between the wall or jamb and the adjoining glass block. Each ProVantage component is sold separately. (To simplify your project, ProVantage is also available in Kits). Save time and money with this do-it-yourself simple solution installation system. Compatible with SEVES brand 3 in. W glass block only; not compatible with 4 in. block.ProVantage system overview: components sold separately, 3 in. thick series system consists of 48 in. horizontal spacers, 8 in. vertical spacers and either anchors and vertical half spacers or 3 in. W seves brand perimeter channels, spacers are positioned between each block and held in place with REDI2BOND silicone, vertical half spacers are used between the wall and adjoini...