SEVES 4-in Thick Series Silicone System Glass Block Installation Kit (20-Block Kit for 8-in x 8-in x 4-in or smaller Glass Block) 4-in x 48-in Non-directional Glass Block Spacer

ProVantage (mortar-free) 4-in Thick Series Glass Block Installation Accessory Kit just made installing your glass block project fast and fun with a simple DIY-friendly installation solution. The ProVantage glass block installation kit comes with everything you need to build up to a 20 (8-in x-8-in x 4-in or smaller) block wall or window. Glass block, grout and hardware are sold separately. Save time and money with this do-it-yourself simple solution installation kit.