Protecting entry doors starts with reinforcing weak spots where forced entry often begins. The following metal door reinforcement plates are designed to reinforce standard bore holes, cover damaged jambs, and deter tampering. Below is a curated guide to five reliable options, highlighting what makes each suitable for homes, apartments, and small business entrances.
| Product | Brand | Key Benefit |
|---|---|---|
| Prime-Line U 9551 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors | PRIME-LINE | Durable stainless steel, quick install, single bore coverage |
| U 9551 Stainless Steel Lock and Door Reinforcement Plate fits 1-3/4″ Thick Doors (Ftyokmi) | Ftyokmi | Includes U 9476 latch strike, tamper-proof screws |
| Prime-Line U 9585 Stainless Steel Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors | PRIME-LINE | Stainless steel finish, pre-punched mounting |
| U 9585 Stainless Steel Lock and Door Reinforcement Plate fits 1-3/8″ Thick Doors (Ftyokmi) | Ftyokmi | Includes U 9476 latch strike with tamper-proof screws |
| Dunzy 1 Pack 1-3/8 Inch x 9 Inch Door Reinforcement Plate | Dunzy | Stainless steel construction, sized for 2-1/8″ bore |
Prime-Line U 9551 Reinforcement Plate for 1-3/4″ Doors
The Prime-Line U 9551 is a stainless steel lock and door reinforcement plate designed to reinforce the weak spot around the latch area on 1-3/4″ thick doors. It is intended to repair and reinforce metal, fiberglass, or wood doors where the latch area has been compromised. The plate is pre-punched for mounting, and installation is straightforward with all necessary hardware included. It ships with a natural stainless steel finish to blend with most door aesthetics. This option is ideal for upgrading door security on standard entry doors.
U 9551 Reinforcement Plate (Ftyokmi) for 1-3/4″ Doors
This U 9551 kit from Ftyokmi reinforces and repairs wooden or metal doors, compatible with 1-3/4″ thick doors and typical bore sizes. It includes a robust stainless steel latch strike (U 9476) and a security-oriented screw assortment kit with tamper-proof Torx bits (T25 for the plate, T20 for the strike). The strike is notably long, covering damaged frames and flush mounting to improve overall door robustness. It’s a comprehensive upgrade for households needing enhanced entry security.
Prime-Line U 9585 Reinforcement Plate for 1-3/8 In. Doors
The Prime-Line U 9585 is a stainless steel lock and door reinforcement plate intended for 1-3/8″ thick doors. It arrives with mounting hardware for a quick installation and a stainless steel finish designed to resist corrosion. The plate helps secure weak door areas, offering added protection against forced entry and damaged door frames. It’s suitable for both wood and metal doors, including those with mortise or drive-in latches, and accommodates various locksets.
U 9585 Reinforcement Plate (Ftyokmi) for 1-3/8″ Doors
This Ftyokmi U 9585 kit reinforces 1-3/8″ thick doors and includes a Security Latch Strike (1-¼” x 7-7/8″). It features tamper-proof screw assortments with Torx bits to deter tampering and covers damaged strike areas with its oversized plate design. The included strike plate is long enough to clean up gaps around the strike hole while maintaining a standard lip fit for common jambs. It’s a solid option for door frame integrity and security improvements.
Dunzy 1 Pack Reinforcement Plate for 1-3/8″ Doors
The Dunzy reinforcement plate is designed for 1-3/8″ doors with a 2-1/8″ bore and 2-3/8″ backset. It measures about 3-7/8″ wide by 9″ long and uses stainless steel to ensure weather-resistance and durability. The plate strengthens weak points on the door and helps secure the latch and strike area, contributing to stronger door assemblies in homes with older jambs or vulnerable frames. It’s suited for wood and metal doors alike.
Buying Guide: Key Purchase Considerations
- Door thickness compatibility: Most reinforcement plates target common thicknesses like 1-3/8″ or 1-3/4″. Confirm your door’s thickness and bore size before buying to ensure a proper fit.
- Material and finish: Stainless steel variants resist corrosion and wear. Choose a finish that blends with your door’s color or hardware for a discreet look.
- Strike plate integration: Some kits include a matched strike plate. A longer strike plate can cover damaged jambs and offer enhanced protection against kick-ins.
- Tamper-proof hardware: If security is the priority, look for screws and fasteners that deter removal, such as Torx or anti-theft screw assortments.
- Installation effort: Most kits include mounting hardware and pre-punched holes. Ensure you have the proper tools (screwdrivers, bit sizes) for a clean, secure install.
- Compatibility with door types: Some products note suitability for metal, wood, or fiberglass doors. Verify the door material to avoid improper fit.
- Long-term durability: A larger, oversize plate design can better cover existing damage, reducing the need for frequent repairs in high-traffic entrances.
- Budget and availability: While prices aren’t listed here, these products are typically affordable upgrades that offer improved security without full door replacement.
Additional Considerations
Security needs vary by environment. For rental properties or multi-family homes, choose reinforcement plates with tamper-resistant hardware to deter casual tampering. For high-traffic entry points or exterior doors exposed to weather, prioritize stainless steel plates with corrosion resistance and robust strike options. For drafty or misaligned doors, ensure the plate helps reinforce the latch alignment and can cover worn slots effectively. In some cases, combining a plate with a steel strike plate or additional door jamb reinforcement may provide the strongest defense against forced entry.