Premium Thermally-Broken Threshold Door Sill – Outward Opening | Non-Slip | Fits 18–23mm Gaps – Weatherproof Seal

Transform your entryway with this high-performance threshold door sill designed for outward opening doors. Built to seal, protect, and insulate, it’s the perfect upgrade for homes, offices, and commercial spaces where performance meets style.

✅ Seal Gaps Like a Pro – Closes gaps 18–23mm to keep out draughts, dust, water, and pests.
✅ Thermally Broken for Energy Savings – Reduces heat loss & prevents thermal bridging.
✅ Versatile Material Compatibility – Works with wood, PVCu, fibreglass, aluminium, steel & carbon fibre.
✅ Safe & Slip-Resistant – Non-slip surface for secure footing, even in wet weather.
✅ Drainage-Ready – Pre-drilled drainage holes to prevent water buildup.
✅ Easy Installation – Fits directly onto level thresholds; can replace standard uPVC subsills.
✅ Perfect for Carpeted Floors – Smooth transition without snagging or tripping hazards.

💡 Ideal For: Homeowners upgrading their doorways, commercial fit-outs, or replacing worn subsills in high-traffic entrances.

⚡ Why Choose This Threshold?
Because it’s engineered for performance, looks sleek, and ensures long-term durability while keeping your home warmer, safer, and more energy efficient.