Composite Shims 8 in. 12 Pack

Upgrade your installation projects with our 8-inch composite shims—precision-scored, water* and rot-proof wedges engineered for effortless adjustment and lasting performance. Made from 100% recycled materials, these shims combine eco-friendly construction with superior load-bearing strength. Snap to size along evenly spaced 1/8-inch score lines for a clean break every time, then secure under doors, windows, cabinets or countertops—indoors or out—without fear of splitting, shattering, moisture damage or decay.

Built to resist splitting even when nailed or screwed, these durable shims hold up under heavy loads and harsh conditions. Whether you’re leveling frames, aligning trim or shimming masonry, count on consistent, reliable results—every shim, every project, every time.

Key Features

• Eco-friendly: Made entirely from recycled composite materials
• Precision scoring: 1/8-inch lines for easy measuring and clean snaps
• Water & rot proof: Ideal for high-moisture environments
• High load-bearing strength: Stronger than standard wood shims, won’t shatter like plastic
• Versatile use: Perfect for doors, windows, cabinets, countertops and exterior applications
• Made in the USA

⚠️ WARNING: This product can expose you to Wood dust known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.