Kickstop At4 Brown Overlap Plate
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
Reinforce Timber Meeting Stiles with the Kickstop AT4 Brown Overlap Plate
External pairs of wooden doors present unique security hurdles that standard single doorways rarely encounter. The central vertical seam where two meeting stiles come together creates a natural vulnerability that opportunistic intruders routinely exploit. Without dedicated physical protection, a small gap between the leaves invites crowbars, jemmies, and screwdriver blades. Intruders use this gap to exert immense leverage directly against mortice lock bolts, deadlocks, and internal flush bolts, which frequently results in split timber and sudden forced entry.
The Kickstop AT4 Brown Overlap Plate resolves this physical security risk by fitting securely over the vulnerable meeting gap. Engineered as a robust steel security strip, this exterior reinforcement plate overlaps the secondary passive leaf while anchoring firmly through the active timber stile. By closing the gap completely from the outside, the plate forms an impenetrable barrier that prevents prying tools from sliding between the door leaves. It also shields vulnerable mortice locks, latch bolts, and rebated keeps from direct tool contact and visual inspection.
Manufactured in a hard-wearing powder-coated brown finish, the unit blends seamlessly across traditional hardwood, dark stained timber, and contemporary composite external doors. Sourced directly from Doorfit, this reinforcement plate offers a straightforward, surface-mounted method to upgrade domestic French doors, double patio doorways, side garage entrances, and commercial double doors without requiring expensive joinery alterations or complete door replacements.
Stage-by-Stage Security Execution and Protection
Stage 1: Eliminating the Meeting Gap
Double doors invariably shift over seasonal temperature cycles, which leaves an open vertical space along the central junction. The Kickstop At4 Brown Overlap Plate spans across this seam, physically blanking the aperture so destructive hand tools cannot locate purchase or leverage against the locked stiles.
Stage 2: Deflecting Hand Tool Attacks
Thieves frequently insert flat bars or cold chisels into timber joins to force lock keeps outward. The thick rolled steel face acts as a hard protective deflector that guides prying blades away from internal hardware, protecting the lock case from structural damage and brute force attack.
Stage 3: Bolt-Through Timber Anchoring
Surface woodscrews can loosen under repeated impacts or heavy weather exposure. This overlap plate utilises heavy-duty through-bolts that pass entirely through the timber door leaf, clamping the steel rigidly against the wood grain to distribute mechanical stress evenly across the full height of the assembly.
Stage 4: Weather Resistance and Discreet Finish
External hardware must endure rain, frost, and ultraviolet exposure without degrading. The durable brown powder coating protects the underlying structural steel from corrosion while complementing stained joinery, ensuring that reinforced physical perimeter defence does not sacrifice external visual kerb appeal.
Key Security Benefits and Features
Upgrading an existing timber entryway with the Kickstop AT4 brown overlap plate provides reliable security enhancements that work in partnership with your existing door furniture. Key practical features include the following benefits.
- Target Hardening: Blocks sightlines into the latch bolt, making it impossible for intruders to see lock throw depth or manipulate locking components with wire hooks and plastic bypass tools.
- Universal Application: Compatible with both inward-opening and outward-opening pairs of timber doors when installed on the leading exterior edge.
- Simple Retrofit Fitment: Can be installed on site without removing hung doors from their hinges or morticing out complex recesses in existing joinery.
- Durable Construction: Made from high-grade solid steel designed to withstand significant impacts without buckling, warping, or tearing away from its fixings.
- Aesthetic Appeal: Features a smooth satin brown coated finish that sits neatly against wood tones, dark mahogany, oak, and walnut finishes.
Detailed Specifications
| Specification | Rating or Standard | Practical Details |
|---|---|---|
| Product Model | Kickstop AT4 | Authentic Kickstop reinforcement plate designed specifically for double doors |
| Primary Material | High Tensile Steel | Engineered to prevent forced deformation under heavy crowbar attacks |
| Surface Finish | Powder Coated Brown | Hard-wearing weather-resistant coating suited to outdoor external doors |
| Door Compatibility | Standard Timber Profiles | Suitable for rebated and non-rebated timber meeting stiles |
| Fixing Type | Bolt-Through Fixings | Secure mechanical clamping through the timber leaf for high pull-off resistance |
| Security Application | Anti-Jemmy Barrier | Eliminates meeting gaps to deny entry to lever tools, screwdrivers, and chisels |
Installation Guidance and Best Practices
When installing the Kickstop overlap plate, verify that your secondary door leaf is securely held with robust top and bottom mortice flush bolts. The plate should be aligned with the leading edge of the active opening leaf, ensuring that it moves cleanly with the master door while overlapping the closed passive leaf by at least fifteen millimetres. Mark fixing holes carefully with a centre punch, drill straight pilot holes through the timber, and tighten fixings from the internal face so that no external screw heads can be undone by an intruder.
Need Advice on Double Door Security?
Our experienced ironmongery and security specialists are here to help you select the ideal Kickstop plates, locks, and bolts for your property. Reach out today for expert product advice.
Contact Our TeamSpecification
| Finish | Brown |
|---|---|
| Dimensions | 1980 x 80 x 3mm |

