View Our All-In-One Hardscape Kits Now – Get Everything You Need in One Bundle
View Our All-In-One Hardscape Kits Now – Get Everything You Need in One Bundle 
All‑Weather Xtreme Gravel & Stone Protection Kit – Gravel Lock, 3‑in‑1 Sealer & Mixer
From $205.80
30-Day Refund Guarantee (Return Policy)
20+ Years of Experience
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Xtreme Gravel Lock (VDW 520) – two-part epoxy specifically for bonding clean aggregate; works with 1/16″–1″ stone, traffic-ready & highly water-permeable.
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Xtreme Stone Protect Plus 3‑in‑1 (VDW 950) – recommended pre-treatment sealer to protect porous and sensitive stone surfaces before setting or jointing.
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XO55 Double Paddle Mixer – robust mixer ideal for batching Gravel Lock compound; consistent, efficient blending for epoxy-based materials.
Take your gravel stabilization, paving, or decorative stone projects to the next level with this Xtreme Gravel Stabilizer & Protection Kit. Engineered for longevity, aesthetics, and weather resilience, it offers a complete system—binder, sealer, and mixing tool—for cohesive, contractor-grade results.
1. Xtreme Gravel Lock (VDW 520)
A versatile two-component epoxy binder designed for aggregates sized 1/16″ to 1″. Achieve stable, permeable surfaces ideal for walkways, patios, or tree pits:
- Water-permeable to prevent puddling or runoff issues.
- Supports light vehicular traffic with a minimum bedding depth of 1.5″.
- Withstands UV, frost, and pressure washing for long-lasting appearance.
- Fast-setting with approx. 30 min working time at 68°F; avoid frozen ground.
2. Xtreme Stone Protect Plus 3‑in‑1 (VDW 950)
A vital safeguard for stone and aggregate:
- Recommended pre-treatment for porous or sensitive paving materials.
- Helps fill micro-pores, enhance bond, and prevent staining prior to binder application.
3. XO55 Double Paddle Mixer
This heavy-duty mixer delivers consistent blending, essential for epoxy systems like Gravel Lock. Use it for small and medium batches, ensuring thorough, lump-free mixes that cure properly.
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