7 Best Picture Frame Spacers For Depth That Protect Art

Finding the right frame spacer is the difference between a precious family heirloom surviving for decades and a piece of art being ruined by moisture or trapped glass condensation. When art touches glass, humidity changes can cause the paper to stick, peel, or grow mold in even the most climate-controlled living rooms. Choosing the right spacer creates the essential breathing room needed to keep your favorite memories vibrant and pristine.

FrameTek EconoSpace: Best All-Purpose Spacer

For homeowners looking for an efficient way to separate art from glass without a professional price tag, FrameTek EconoSpace is a reliable workhorse. These peel-and-stick spacers are ideal for those who frame art frequently at home and need a consistent, user-friendly solution.

The product features a pressure-sensitive adhesive that bonds securely to the frame rabbet or the edge of the glass. Because it comes in a variety of depths, it handles standard prints and photographs with ease.

While it lacks the heavy-duty structural support of metal options, its affordability makes it perfect for gallery walls or bedrooms where budget management is key. Bottom line: This is the most practical choice for standard, everyday framing tasks.

FrameSpace Spacers: For Deeper Shadow Boxes

When tackling complex items like medals, dried flowers, or heavy textiles, standard spacers rarely provide enough clearance. FrameSpace spacers are designed specifically to bridge the gap between simple prints and deep, dimensional shadow boxes.

These spacers are often sold in longer lengths, which helps when framing larger statement pieces in a living room or entryway. Their rigid composition holds weight well, ensuring that the heavy interior contents do not sag or push against the glazing over time.

Because they are slightly more technical to apply, they suit those comfortable with a bit of measuring and light cutting. Bottom line: Opt for these when the object inside the frame has significant thickness or texture.

Nielsen Bainbridge Spacers: Top Framer’s Choice

If a piece of art has significant sentimental or monetary value, opting for industry-standard materials is a wise investment. Nielsen Bainbridge spacers are widely considered the gold standard for archival protection in home framing.

These are favored because they are chemically inert, meaning they will not off-gas or damage the artwork over time. For high-humidity environments like coastal homes or older houses with fluctuating temperatures, this extra level of chemical safety is invaluable.

The installation process is seamless, resulting in a professional, clean finish that mimics high-end custom framing services. Bottom line: Spend the extra money here if the artwork is irreplaceable.

Lineco Clear Strips: A Simple Archival Solution

Lineco is a trusted name in preservation, and their clear spacer strips are perfect for minimalist frames where you want the spacer to remain virtually invisible. They are excellent for floating art, where the edge of the spacer shouldn’t distract from the composition.

These strips are transparent and acid-free, providing peace of mind for those concerned about long-term preservation of watercolors or ink drawings. They integrate well into small apartments where visual clutter needs to be kept to a minimum.

They are relatively easy to handle but require a steady hand to align perfectly along the glass edge. Bottom line: This is the go-to choice for clean, unobtrusive aesthetics that prioritize archival safety.

Black ABS Plastic Spacers: For Traditional Frames

In households that favor classic, dark-wood frame styles, white or clear spacers can sometimes create an unsightly white line around the perimeter. Black ABS plastic spacers solve this by blending perfectly into darker frame interiors.

These are highly durable and resist warping, making them an excellent choice for frames hanging in areas with sunlight exposure, such as sunrooms or hallways. They offer a firm, structural wall that keeps the glass perfectly aligned with the frame.

Because they are made of solid plastic, they are easy to clean and do not attract dust like some softer adhesive foam products. Bottom line: Use these to maintain a seamless, professional look in dark-colored frames.

Clear Acrylic Spacers: For A Modern, Clean Look

For modern decor styles or metal frames, clear acrylic spacers offer a crisp, high-end appearance. They provide a rigid barrier that feels substantial and looks intentional, especially when paired with glass that covers the entire face of the frame.

These spacers reflect light subtly, adding a hint of depth that makes professional photography or modern art prints pop. They are particularly effective in small spaces where you want to maximize the sense of openness and light.

Keep in mind that acrylic can be slightly more brittle than plastic, so handle with care during installation. Bottom line: These are the best choice for achieving a high-polish, contemporary gallery feel.

Custom-Cut Matboard: The Most Versatile Option

For those who enjoy crafting or have non-standard frame sizes, custom-cut matboard strips remain the most versatile tool in the kit. You can cut them to the exact width and depth required, providing a custom fit that pre-manufactured plastic spacers simply cannot match.

This method allows for color coordination, as matboard comes in an endless array of hues to complement the art. It is also an excellent way to use up remnants from previous projects, making it a very cost-effective and low-waste approach.

However, ensure the matboard is acid-free to prevent yellowing or damage to the art over the years. Bottom line: Choose this for odd-sized frames or when you need specific color matching.

Choosing the Right Spacer Depth for Your Artwork

The depth of your spacer depends entirely on the thickness of the art and the presence of any embellishments. A standard photograph typically requires only 1/8 inch of clearance, while a shadow box project may require an inch or more.

Always measure the distance between the glass and the art to ensure there is at least a small gap. If the art is textured, like an oil painting or a thick embroidery, opt for a deeper spacer to prevent the surface from becoming compressed.

When in doubt, choose a slightly deeper spacer rather than a shallow one to ensure adequate airflow. Bottom line: Proper depth ensures longevity by preventing sticking and moisture buildup.

How to Install Spacers Without Damaging Your Art

Installation should always take place on a clean, flat surface to prevent dust or debris from being trapped inside the frame. Start by thoroughly cleaning the glass with a lint-free cloth and an appropriate glass cleaner before placing the spacer.

When using adhesive spacers, apply them to the glass rather than the frame rabbet for a more precise fit. Use a small square or a ruler to ensure the spacers are perfectly aligned, as even a slight angle will be visible once the frame is closed.

Always wait for the adhesive to fully set before hanging the frame on the wall. Bottom line: Precision in placement prevents the spacer from shifting and potentially nicking the art.

Spacers vs. Mats: When to Use One Over the Other

Spacers are essential for creating depth and preventing contact between glass and art, whereas mats serve primarily as a decorative border. Often, these two can be used in conjunction to create a sophisticated, layered look.

Use a spacer alone if you want the artwork to float and reach the very edge of the frame. Use a mat when you want to draw the eye toward the center of the piece and add a secondary layer of protection.

In humid climates, a mat can sometimes trap moisture against the glass, so adding a thin spacer behind the mat is a common practice for long-term preservation. Bottom line: Use spacers to protect the glass-to-art interface and mats to enhance the visual presentation.

Protecting your artwork is a straightforward process when you utilize the right materials, ensuring your home remains a gallery of your favorite moments for years to come. By prioritizing acid-free options and correct depth, you avoid the common pitfalls of degradation and mold. Whether you are framing a child’s drawing or a vintage photograph, a small investment in high-quality spacers provides the peace of mind that your art is safely displayed.