Looking for a reliable chimney hole cover plate that fits 4″ to 8″ flue openings? This guide highlights five practical options that offer adjustable sizing, concealment, and decorative versatility. The right cover helps hide exposed vents, improves interior aesthetics, and protects unused chimneys from drafts. Best suited for homeowners seeking an inexpensive, DIY-friendly solution, these picks balance function and style. The table below summarizes each chosen product for quick comparison.
| Product | Size Range | Best For | Notes |
|---|---|---|---|
| 6719900 Chimney Flue Cover ( BM0026 / BM0353 ) | 4″–8″ | Adjustable wall vents | Decorative, DIY-friendly finish |
| Metal White Fireplace Flue Hole Cover (BM0353) | 4″–8″ | Classic white finish | Almond/white tones, manual adjustment |
| Metal Black Fireplace Flue Hole Cover (BM0353) | 4″–8″ | Black modern look | Adjustable, sturdy metal |
| Metal White Almond Color (3F-72) Flue Hole Cover | 4″–10″ | Wider range, almond tone | Decorative, adjustable |
| Replacement Furnace Flue Hole Cover (BM0026/BM0353) | 4″–8″ | Versatile replacement | Durable, black finish |
6719900 Chimney Flue Cover Replacement

The 6719900 model is an adjustable flue stopper designed for Imperial 4″ to 8″ stove pipe openings. It fits mid-range wall openings of 5″, 6″, 7″, and 8″. This product is best for homeowners wanting a simple, decorative cover that can be painted or customized to match interior decor. It can conceal unused vents and blend into a wood-stove or chimney area while preventing drafts. A potential limitation is that the finish may require painting if you want a perfect color match to existing decor.
Key benefits
- Adjusts to fit 5″–8″ openings for flexibility across models
- Conceals woodstove chimneys and vents for a cleaner look
- DIY-friendly; paint or graffiti to customize
Who should consider it
Best for a DIY homeowner who wants a decorative, spray-paint-ready cover that hides older vents and doesn’t require professional installation.
Important note
The item is intended for indoor use and decorative concealment; ensure fitment with your specific flue wall opening before purchasing.
Metal White Fireplace Flue Hole Cover 6719900 BM0353

This version emphasizes a white almond aesthetic with an embossed finish and a robust steel core. It fits 4″–8″ holes and uses manual adjustment to accommodate irregular shapes. Best for buyers wanting a lighter-toned, neutral fixture that complements white or almond interior palettes. A limitation is that manual adjustment may be needed for non-standard hole shapes, which could require extra time during installation.
Why pick this
- Durable steel construction resists wear
- Almond/white tones suit lighter decors
- 4″–8″ compatibility supports common flue sizes
Best use case
Choose this if your space favors a neutral, subtle look and you want a dependable, adjustable cover that blends with light-colored walls.
Metal Black Chimney Flue Hole Cover

This product presents a black finish with adjustable features suitable for 4″–8″ hole sizes. It is described as a versatile replacement for BM0026 and BM0353, focusing on durability and a modern aesthetic. Best for a contemporary room where a dark, minimal look is desired. A potential drawback is that the black finish may show dust more readily than lighter colors, requiring regular cleaning to maintain appearance.
Why it stands out
- Bold, modern black finish
- Adjusts to common 4″–8″ hole sizes
- Suitable as a straightforward replacement part
Ideal buyer profile
Choose this if you want a striking, low-maintenance cover that pairs well with dark décor or metal accents.
Metal White Almond Color Flue Hole Cover 3F-72

This model covers holes from 4″ to 10″ with an almond-toned finish. It features embossed styling and a steel core for strength. Best for homeowners with larger or irregular flue holes seeking a decorative, cohesive look. The greater 4″–10″ range adds flexibility, but ensure your opening is square or near-square for best fit.
Key advantages
- Fits 4″–10″ holes for broader compatibility
- Almond color adds warm, refined appearance
- Embossed detailing enhances aesthetics
Usage note
Opt for this if you have a wider or nonstandard opening and want a stylish almond finish that complements traditional interiors.
Replacement Furnace Flue Hole Cover 6719900

This replacement part supports 6″ to 8″ furnace tube openings with an adjustable design. It emphasizes durability in a black finish, offering a straightforward replacement for BM0026 and BM0353. Best for users upgrading an older cover or consolidating parts across multiple units. A consideration is that its fit depends on matching the exact hole size and wall thickness of your setup.
Why this works
- Versatile for 6″, 7″, and 8″ openings
- Durable black construction
- Compatible with widely used BM0026/BM0353 models
Who benefits
Choose this for a reliable, long-lasting replacement in existing installations where BM0026/BM0353 compatibility is desired.
Buying Guide: Key Considerations
- Size compatibility: Most covers fit 4″–8″ holes; some extend to 9″ or 10″. Confirm your opening dimensions before purchase.
- Finish and style: Options include white almond, black, or decorative almond. Select a finish that complements your room’s color palette.
- Installation effort: Manual adjustment is common. Expect to align anchors and secure with simple hardware.
- Concealment purpose: If you want to hide an old vent, choose a larger, well-finished plate with a decorative look.
- Durability: Steel construction provides strength; consider corrosion resistance if moisture is a factor.
- DIY suitability: Many of these covers are designed for straightforward, at-home installation without professional tools.
Practical buying questions
- What hole size do I have, and does the cover accommodate it? Check the listed range (e.g., 4″–8″).
- Will the finish match my interior design? Consider white almond, black, or almond tones.
- Is this a decorative cover or a functional vent blocker? Most provide both concealment and utility.
- Do I need to replace multiple parts at once for consistency? Some models are listed as replacements for BM0026/BM0353.
FAQ
- Q: Can I paint these covers? A: Many are paintable for a custom look, but verify the material compatibility first.
- Q: Are these covers designed to seal drafts? A: They primarily conceal vents and reduce drafts; effectiveness depends on fit.
- Q: Do all covers fit 4″–8″ holes? A: Most do; a few extend to 9″–10″ in some models.
- Q: Is professional installation required? A: Generally not; these are designed for DIY installation with basic tools.
- Q: Are they suitable for outdoor use? A: Most are intended for indoor use; check product specifics for exterior suitability.