16 Inch Expansion Strips - 36 Pack | Protects Glass Block Windows & Walls from Expansion & Contraction | for Mortar Installations | Contractor & DIY Friendly

Glass Block Expansion Strips are an essential accessory for installing glass block windows and walls. Designed for professional contractors and DIY enthusiasts alike, these 16-Inch strips help protect glass block installations from damage caused by expansion and contraction due to temperature changes. Each strip measures 3 inches wide and 16 inches long, making them ideal for placement along jambs and edges during mortar installations. By accommodating natural movement in glass block structures, these expansion strips help maintain stability and prevent cracking or shifting over time. Affordable, durable, and easy to install, they are a must-have for both residential and commercial glass block projects.

• Protects Against Expansion & Contraction: Helps prevent damage from temperature changes in glass block walls and windows.
• 36 STRIPS INCLUDED – Each pack contains 36 expansion strips, giving contractors and DIY installers plenty of material for multiple glass block window or wall installations.
• Standard 3" x 16" Size: Ideal for placement along jambs and edges of glass block panels.
• Easy to Install: Simplifies professional or DIY glass block installations.
• Versatile Use: Suitable for residential and commercial glass block projects.