Striker Plate Filler for Repairing Door Latch Mortises

$2.59

SKU: 00209-01

Fill old door latch mortises fast—without messy layers of putty.
The Striker Plate Filler drops into unused striker plate recesses to create a clean, square surface for a professional repair that’s ready for spackle, sanding, and paint.

Designed to repair unused door latch mortises, this striker plate filler creates a solid base for a clean, professional‑looking repair. Ideal for door replacements, remodels, and striker plate relocations.

Removing or relocating a striker plate from a door frame leaves a deep recessed area that typically requires multiple layers of putty to fill before painting. The Striker Plate Filler is designed to fill these unused striker plate mortises, helping you restore the door frame quickly while keeping the outer edges clean and square.

Filling unused striker plate cutouts after door replacement
Repairing door frames during remodeling
Fixing misaligned or relocated striker plates
Preparing door frames for paint
DIY and professional carpentry repairs

This striker plate filler saves time by eliminating the need to wait for several layers of putty to dry. Because it fills the recess directly, it helps maintain a square, consistent edge and provides a solid base for a clean, professional‑looking repair once painted.

These striker plate fillers are designed for specific striker plate sizes and are listed by size in inches (Length × Width). To choose the correct size, simply measure the recessed striker plate cavity and select the closest matching size.

Each set includes four different thicknesses to account for different striker plate mortise depths. Test‑fit the thickness that sits closest to flush with the surrounding surface. If needed, fillers can be stacked and glued together to achieve the correct depth before finishing.

The actual size of each filler is slightly smaller than the listed dimensions to ensure proper fit within the recessed area.

Quantity: Each striker plate filler set repairs one striker plate mortise. Order one set for each striker plate that will be removed during your project.

The striker plate fillers are 3D printed in white PETG plastic, which is easily covered with spackle and paint. Each set includes four thicknesses to accommodate different striker plate mortise depths. The material can be trimmed with a knife, or multiple fillers can be stacked and glued together if minor adjustments are needed for a custom fit.

To install, we recommend using a standard wood glue to affix the striker plate filler inside the mortise. While wood glue is not specifically designed for plastic, it works well for this application since minimal strength is required.

Because striker plate mortise depths can vary, select the filler thickness that sits closest to flush with the surrounding surface. If needed, multiple fillers can be stacked and glued together to achieve the correct depth before finishing.

Once installed, fill any remaining gaps with standard drywall spackle, sand smooth with fine‑grit sandpaper, and paint as desired.

The step‑by‑step installation guide below is for the similar Hinge Filler product, but the general installation process is the same.

View the step‑by‑step installation guide →

Please measure your recessed cavity accurately before ordering. If the size you need is not currently available, contact us—we are continually adding new sizes based on customer requests.

Be sure to check out our Hinge Fillers for repairing old hinge mortises as well.

Can this be painted over?
Yes. Once installed, spackled, and sanded, the striker plate filler can be painted to match the surrounding door frame.

Is this better than using wood filler or putty alone?
Yes. The striker plate filler provides a solid base inside the striker plate mortise, eliminating the need to build up multiple layers of putty and helping keep edges clean and square.

How do I choose the correct size?
Measure the recessed striker plate cavity after removing the striker plate. Sizes are listed in inches (Length × Width). Each set includes multiple thicknesses to accommodate different mortise depths.

What adhesive should I use to install it?
A standard wood glue works well for this application. Minimal strength is required, as the filler is secured in place by spackle and paint.

Can it be trimmed or adjusted for a custom fit?
Yes. The material can be trimmed with a utility knife, and multiple fillers can be stacked and glued together if minor adjustments are needed.

How many do I need?
Each striker plate filler set repairs one striker plate mortise. Order one set for each striker plate that will be removed during your project.

What if the size I need isn’t listed?
Contact us. We regularly add new sizes based on customer requests.

Built to solve real, everyday problems—not imagined ones.

Developed, tested, and refined by us—not sourced from mass catalogs.

Made in USA
Consistent quality. Carefully crafted.

New sizes and refinements added based on real customer feedback.

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