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Best Casement Window Security Bars for Safer Homes in the U.S.

If you’re securing casement windows, the goal is to choose bars that deter falls and intruders without compromising emergency exits. This guide highlights five top options, explaining who each is best for and why it fits typical American homes or apartments. These fixed, non-egress bars are designed for interior use and come with adjustable widths to fit different window openings.

Product Best For Why It Stands Out
Prime-Line S 4766 Carbon Steel Fixed 4-Bar Window Grill Families with young children Bronze finish, 0.048″ carbon steel, adjustable width; non-egress design for safety.
Delmoar Fixed Window Safety Guard 19”x 38” (2 Pack) Renters or households needing multiple openings Two-pack flexibility, narrow 3.8″ bar spacing, interior installation.
Segal S 4767 Carbon Steel Fixed 4-Bar Window Grill Homes providing general safety Black finish, compact center spacing, adjustable to larger openings.
Grisham AWG Fixed Window Security Bars (Housagies) Columns of bedrooms or living spaces requiring sturdy protection Heavy-duty tubular steel, rust resistant, tamper-resistant screws.
Delmoar Fixed Window Safety Guard 14”x 38” Vertical windows with wider openings Narrow bar spacing, easy interior installation, non-egress design.

Prime-Line S 4766 Carbon Steel Fixed 4-Bar Window Grill

Prime-Line S 4766 Window Grill image

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Best for homes with young children who need a robust interior guard. The grill uses 0.048 inch plain carbon steel square tubing and includes three-eighths inch center bar spacing for added security. It is a non-egress design, meaning it cannot be opened from inside, which is ideal for bedrooms or living spaces where accidental openings must be prevented. Adjustable width before mounting ranges from 23-1/2″ to 38″ to fit standard casement openings. The kit includes tamper-proof installation screws for added security.

Who this is for: buyers seeking a strong, fixed guard that prioritizes child safety and interior security. Limitations: not suitable where emergency egress access is required; a hinged or removable version would be needed in those scenarios.

Delmoar Fixed Window Safety Guard 19”x 38” (2 Pack)

Delmoar 19x38 window safety guard image

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Best for households needing multiple openings secured without drilling. This two-pack offers vertical window installation with a height of 19″ and width range 21″-38″. The guard features a narrow 3.8″ bar spacing to minimize fall risk. It is designed for interior use only and is not intended for horizontal sliding windows or hinged casement windows. Tamper-resistant screws are included to deter removal.

Who this is for: renters or homeowners who want cost-effective coverage for several vertical windows. Caution: not compatible with all window geometries, so verify that your casement design aligns with a vertical installation plan.

Segal S 4767 Carbon Steel Fixed 4-Bar Window Grill

Segal S 4767 window grill image

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Best for general home safety from a trusted fixed guard. This model uses 0.048 inch thick carbon steel with 3-7/8 inch center bar spacing and is a non-egress design. It features a fully adjustable telescoping width from 32-1/2″ to 54″ and includes tamper-proof installation screws. The interior-use-only design makes it a solid upgrade for most residential casement windows.

Who this is for: households needing a larger adjustable guard to fit bigger casement openings. Caution: ensure your window width fits within the 32-1/2″ to 54″ mounting range before purchasing.

Grisham AWG Fixed Window Security Bars (Housagies)

Grisham AWG fixed window security bars image

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Best for robust, rust-resistant protection on exposed openings. This model features non-egress design with inside or outside mounting options and tamper-proof one-way installation screws. The bars are made from heavy-duty tubular steel and are designed to resist corrosion, which is beneficial in areas with higher humidity or outdoor exposure near windows. Width range is adjustable to fit 22-3/4″ to 38-1/2″ openings, and heights range from 14-3/4″ to 15-3/4″.

Who this is for: homeowners seeking a sturdy, rust-resistant bar with flexible mounting. Caution: suitability depends on whether a bedroom or living area needs a compliant emergency exit path; if emergency access is needed, consider a hinged or removable option.

Delmoar Fixed Window Safety Guard 14”x 38”

Delmoar 14x38 window safety guard image

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Best for vertical windows with smaller height and wider width needs. This Delmoar guard offers a 3.8″ bar spacing and is intended for interior installation. It caters to openings of 14″ height and 21″-38″ width with non-egress design. Scrutinize the installation area to confirm compatibility with your casement style. Tamper-resistant screws are included for added security.

Who this is for: users seeking a slimmer, taller guard for vertical casement windows. Caution: not suitable for horizontal sliding or hinged casement configurations that require quick exit in emergencies.

Buying Guide: Casement Window Security Bars

Key considerations help you choose the right fixed, non-egress window guards for casement openings.

  • Window type and orientation: Fixed guards are best where emergency egress is not required from that window. If an exit is needed, consider hinged guards or removable options.
  • Width and height adjustability: Look for telescoping rails or adjustable widths to fit a range of casement sizes. Ensure the range covers your opening measurements.
  • Bar spacing and strength: Narrow spacing reduces fall risk but can impact visibility. Steel construction improves durability, especially in high-traffic areas.
  • Installation method: Interior mounting with tamper-proof screws enhances security. Confirm that screws and anchors are included and suitable for your wall or window frame material.
  • Finish and corrosion resistance: Black or bronze finishes offer a cleaner look and better wear resistance in humid climates. Rust-resistant materials extend life in coastal or rainy regions.
  • Safety implications: Fixed guards may limit access in an emergency. Ensure at least one approved escape route remains available in sleeping areas.

FAQ

  • Q: Are these guards legal in all states? A: They are generally allowed, but local building codes may vary. Check local regulations before installation.
  • Q: Can I install these myself? A: Yes, most are designed for interior mounting with tamper-proof screws, but follow the included instructions or consult a professional if unsure.
  • Q: Do these bars require maintenance? A: Routine inspection for loose screws and corrosion is recommended. Clean metal surfaces to prevent rust buildup.
  • Q: Will these bars block emergency exits? A: Non-egress designs are intended to prevent opening from inside. If you need emergency access, choose hinged or removable models.
  • Q: What measurement is needed before buying? A: Measure window width and height to confirm the guard’s adjustable range covers the opening.
  • Q: Do guards affect window operation or sealing? A: Some guards sit over the interior casing; verify that your casement hardware aligns with the guard’s mounting method.