Finding the right trim kit for an electric fireplace insert is essential to cover gaps, improve aesthetics, and ensure a flush, professional look. This guide highlights five versatile trim kits that fit a range of standard electric inserts and common opening sizes. Each option is evaluated for who it’s best for, its fit, and practical limitations. Suitable buyers include: homeowners upgrading a guest room or living area, renters seeking a non-permanent look, and DIY enthusiasts aiming for a clean, modern finish.
| Product | Best For | Key Fit Notes |
|---|---|---|
| Benrocks Trim Kit (41.9″ W x 29.5″ H) | Large openings; Benrocks inserts | Designed for Benrocks fireplace openings; limited to own brand |
| Dreamflame Trim Kit for 36″ Inserts | Budget-friendly framing; standard 36″ inserts | Outer 44.55″W x 32.1″H; inner 32.95″W x 26.3″H |
| Velaychimney Trim Kit (44.5″ W x 32.1″ H) | Wall-gap coverage; sleek black finish | Not guaranteed for non-designated brands |
| Modern Ember Uptown 28″ Trim Kit | Modern look; fits 28″ inserts | 3″ border; brand-specific |
| Kentsky Metal Trim Kit (30.5″ W x 24.9″ H) | Durable metal; compact opening | Designed for 30.5″ x 24.9″ openings |
Benrocks Trim Kit for 41.9″ Opening

Best for large openings that match the 41.9″W x 29.5″H trim profile. This kit is explicitly designed for Benrocks fireplaces with model combinations B09QXDVGZ6 and B09R7T9HVK, ensuring a close-to-wall finish when using Benrocks inserts. It is a solid choice for homeowners who own Benrocks units and want a seamless border. Caution: Not guaranteed to fit non-Benrocks models or openings that deviate from the specified dimensions.
Dreamflame Electric Fireplace Trim Kit for 36″ Inserts

Best for budget-conscious buyers seeking a simple, three-panel metal trim to cover gaps around a 36″ insert. Outer dimensions measure 44.55″W x 32.1″H, with inner 32.95″W x 26.3″H. The kit installs by assembling the three panels and attaching them with screws. This option is ideal when stone or tile work is not desired or feasible. Caution: Verify that your insert’s outer frame aligns with the kit’s inner dimensions to avoid visible gaps.
Velaychimney Trim Kit for 35.6″ Inserts

Best for filling wide gaps around 44.5″W x 32.1″H openings when using a 35.6″ insert. The three-piece kit provides a clean, minimalist finish and is designed specifically for Velaychimney models. Caution: Compatibility with brands other than Velaychimney cannot be guaranteed if the behind-the-wall dimensions differ from the kit’s sizes.
Valuxhome 40″ Wide Trim Kit

Best for Valuxhome 40″ wide inserts; outer frame reaches 48.9″W x 32.11″H, with a maximum permissible wall hole of 39.44″W x 29.53″H. This kit is well-suited for Valuxhome users seeking a ready-made finish that complements modern interiors. Caution: This trim kit is brand-specific; non-Valuxhome frames may not align perfectly.
Kentsky Trim Kit for 30.5″ x 24.9″ Openings

Best for compact openings; this metal trim kit covers a 39.4″W x 29.5″H overall footprint, with the underlying insert sized around 30.5″W x 24.9″H. Its powder-coated finish offers durability and a modern look. Caution: Ensure your insert and wall opening dimensions align with the kit’s 39.4″ length to avoid overhang or gaps.
Rodalflame Trim Kit for 30″ x 25″ Openings

Best for 30″ W x 25″ H openings; overall trim kit size is 39.4″W x 29.5″H. The kit is designed to cover the gap between the wall hole and the electric fireplace, offering a black metal aesthetic that blends with many inserts. Caution: Installation relies on precise alignment; deviations in opening size may require trimming or alternative kits.
Buying Guide
What should you consider before buying a fireplace trim kit?
- Brand compatibility: Some kits are designed for specific brands. Choose a kit that is marketed for your insert or opening size to minimize fitting issues.
- Opening and trim dimensions: Compare inner and outer measurements to ensure a flush appearance and to avoid obstructing vents or controls.
- Material and finish: Metal trim kits with powder coating offer durability and a modern look; consider color (black is common) and texture to match your space.
- Installation simplicity: Some kits come as three panels with screws; others may require more complex assembly. Assess your DIY comfort level.
- Aesthetic goals: Decide whether you want a minimal border or a bold, framed look that matches your room’s style.
Frequently Asked Questions
- Do trim kits fit all electric fireplaces?
- Answer: No. Trim kits are generally designed for specific opening sizes and brands. Check compatibility with your insert model and opening measurements.
- Can I install a trim kit myself?
- Answer: Yes, most trim kits include simple hardware and instructions for DIY installation, though some may require basic tools and careful alignment.
- Will a trim kit cover all gaps around the insert?
- Answer: Trim kits aim to cover gaps between the wall opening and the insert. Exact coverage depends on the kit’s dimensions and your wall opening.
- Is a larger trim better for hiding gaps?
- Answer: A larger trim can hide more gaps, but it must be weight-appropriate and proportionate to the surrounding décor to avoid an oversized appearance.
- Are metal trim kits good for heat resistance?
- Answer: Yes, metal trim kits are designed to withstand typical warmth around electric fireplaces; ensure proper clearance as specified by the manufacturer.
For buyers seeking a practical mix of fit and finish, the Dreamflame, Velaychimney, Modern Ember, Kentsky, and Rodalflame options offer a range of sizes and styles. Each product paragraph above outlines who it’s best for and any potential limitations, helping you choose the trim kit that aligns with your insert, opening, and aesthetic goals.