The best horse trailer window bars depend on the opening size, the animal’s size, and whether you need a protective barrier or a window holder. For barn-style openings, EASY-UP Schneiders offers 3-by-3-foot and 4-by-4-foot sets; Zonon is another 3-by-3-foot option. Grisham provides adjustable-width security bars for smaller windows, while the trailer door holder is for keeping a window or door open, not blocking an opening.
| Product | Best For | Key Detail |
|---|---|---|
| EASY-UP Schneiders 38-inch bars | 3-by-3-foot openings | Six bars with adjustable spacing |
| EASY-UP Schneiders 50-inch bars | 4-by-4-foot openings | Six heavy-duty steel bars |
| Zonon 38-inch bars | 3-by-3-foot openings | Pre-drilled mounting holes |
| Grisham fixed window bars | Smaller, wider windows | Adjustable width; non-egress |
| Trailer door holder kit | Holding a window or door open | Rubber-and-plastic bumper holder |
EASY-UP Schneiders 38-Inch Grill Bars
This six-bar set is designed for a 3-by-3-foot window. Its 3/4-inch steel tubing and 1.2mm gauge construction make it a heavy-duty option for a barn or stall opening. Bar spacing can be adjusted, with listed spacing options up to 3.5 inches for horses and down to 1.5 inches for foals and small animals.
Best for: Buyers fitting a 3-by-3-foot opening who need to adjust spacing for different animal sizes. It was selected for its stated opening size and spacing flexibility. Check before choosing: Confirm the opening and mounting arrangement match the product; the listed features do not specify mounting hardware.
EASY-UP Schneiders 50-Inch Grill Bars
Designed for a 4-by-4-foot window, this set includes six steel grill bars. The product description specifies 3/4-inch steel tubing with a 1.2mm gauge and adjustable spacing. The barrier is intended to preserve airflow and visibility while adding a physical boundary.
Best for: A buyer with a larger, 4-by-4-foot barn or stall opening who wants a six-bar steel set. It was selected because its stated dimensions address a larger opening than the 38-inch version. Check before choosing: The listed features do not provide exact spacing measurements or installation instructions, so verify fit and spacing needs before purchase.
Zonon 38-Inch Heavy-Duty Stall Bars
Zonon’s six bars are made from 3/4-inch steel tubing with a 1.2mm gauge wall thickness and are listed for a 3-by-3-foot window. The product description gives spacing options from 1.5 to 3.5 inches and notes pre-drilled holes at both ends for mounting to wood stall doors, window frames, or barn structures.
Best for: Buyers who want a 3-by-3-foot set with stated mounting holes and spacing ranges for mature horses, foals, or smaller livestock. It was selected as a comparable alternative to the EASY-UP 38-inch set. Check before choosing: The stated mounting surfaces are wood; confirm that your intended frame and fasteners are suitable.
Grisham Adjustable-Width Window Bars
These fixed window bars have three bars and an adjustable width listed from 22 3/4 to 38 1/2 inches. Their stated height range is 14 3/4 to 15 3/4 inches. The product description mentions tubular steel, rust resistance, inside or outside mounting, and tamper-proof one-way screws.
Best for: Buyers seeking a compact security guard for a smaller window, rather than a full-size stall opening. It was selected as a size-variable window-bar alternative. Important limitation: The product is explicitly described as non-egress, so it should not be used in a bedroom or sleeping area without another emergency exit. Its listed dimensions may not suit a horse trailer window.
Trailer Door Holder And Window Bumper
This kit is not a window-bar guard. It is a rubber-and-plastic holder described for securing trailer doors and helping keep horse trailer windows open. The listing says it can reduce impact when opening and help prevent movement in the wind. Its rubber is described as soft for removal from the socket and fade-resistant in sunlight.
Best for: Buyers who need a holder or bumper to keep a window or door in position, not a barrier to stop an animal from reaching through an opening. It was selected because the listing specifically mentions horse trailer windows. Limitation: It does not replace protective bars or a window guard.
Buying Guide: How To Choose Horse Trailer Window Bars
What size opening do you need to cover?
Measure the opening before comparing products. The EASY-UP 38-inch and Zonon sets are listed for 3-by-3-foot windows, while the EASY-UP 50-inch set is listed for a 4-by-4-foot window. Grisham’s listed dimensions are much smaller, so compare its full height and width range against your opening rather than relying on the product name alone.
How should bar spacing match the animal?
Spacing affects whether a horse, foal, or smaller animal can put its head or limbs between bars. EASY-UP’s 38-inch set and Zonon both list adjustable spacing, with product details giving options between 1.5 and 3.5 inches. Check the specific installation spacing and consider the animals that will use the trailer or stall. The 50-inch EASY-UP listing states adjustable spacing but does not provide a numerical range.
Are these products actually protective bars?
Choose steel grill bars when you need a physical barrier across an opening. A door holder or bumper serves a different purpose: it can help hold a window or door open, but it does not prevent an animal from reaching through. Do not treat the trailer door holder as a substitute for bars.
What should you check before installation?
Confirm the frame material, opening dimensions, attachment points, and whether the selected product includes or requires separate fasteners. Zonon lists pre-drilled holes for wood surfaces. The other product details do not give the same mounting information, so check the listing and installation requirements before buying. Secure installation and appropriate spacing are important for a useful barrier.
Frequently Asked Questions
Are horse stall bars suitable for every horse trailer window?
No. Fit depends on the window’s dimensions, frame, mounting surface, and the bar set’s design. Measure the opening and confirm installation requirements first.
Which listed bars are designed for a 3-by-3-foot window?
The EASY-UP Schneiders 38-inch set and Zonon 38-inch set are both listed for 3-by-3-foot windows.
Can a trailer door holder replace window bars?
No. The holder is intended to keep a window or door in position and act as a bumper. It is not described as a protective barrier.
Why does adjustable spacing matter?
Adjustable spacing lets the installer adapt the gaps to the animal’s size. The listed products describe tighter spacing for foals or small livestock and wider spacing for mature horses.