8-Inch Aluminum Plank Flashing For Fiber Cement Siding, Butt Joint Water Barrier That Drains Behind Joints, Wind-Driven Rain Proof, Caulk-Free, Easy Install, Exterior Moisture Protection

8-Inch Aluminum Plank Flashing for Fiber Cement Siding
✔️ Pre-cut aluminum flashing drains water behind joints; single unit

This 8-inch aluminum plank flashing is designed to help prevent water penetration behind butt joints in fiber cement siding. It drains water over the top edge of the last full course and is pre-cut for quick installation. The coating is formulated to resist interaction with fiber cement and to minimize reflective flashback compared with standard metal flashing.

✅ Length: 8 in (203 mm)
✅ Thickness: 0.019 in (0.48 mm)
✅ Color: Beige
✅ Material: Aluminum sheet coated on both sides with exterior paint system
✅ Function: Drains water away from butt joints, reducing moisture behind siding

💡 What is a plank flashing and how does it help fiber cement siding in wind-driven rain?

Here's a handy explanation for homeowners and pros:

- Drains water away from butt joints to prevent moisture behind fiber cement siding
- Creates a tight edge seal without caulk to resist wind-driven water
- Aluminum with durable exterior coating resists weather and flashing flashback
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