Choosing a mat for famous charcoal artists' prints
What color mat for a One Hundred Famous Views of Edo print by Hiroshige, and why
Use an off-white, 100% cotton-rag mat in 235–310 gsm, with a warm undertone to harmonize with the print’s indigo and charcoal—never bright white or black, which disrupts the balance of these famous charcoal artists’ woodblock compositions.
The mat’s role in preserving Hiroshige’s tonal range
The mat serves two functions: optical transition and physical protection. For One Hundred Famous Views of Edo (1856–58), the indigo-dominated palette and delicate charcoal outlines require a mat that neither competes nor flattens the print’s depth. Off-white with a cream or ivory cast—such as a 4-ply, 310 gsm cotton-rag—creates a neutral buffer.
Bright white mats introduce a modern starkness incongruous with ukiyo-e, while black mats (a common misstep) compress the print’s midtones, as noted in the American Institute for Conservation — Caring for Your Treasures guidelines on contrast interference. The mat’s bevel cut should expose the rag’s textured edge, not a crisp white core.
Standard mat dimensions and proportions for a framed Hiroshige print
For an ōban-sized print (36×25 cm / 14×10 in), the mat’s window should measure 30×20 cm (12×8 in), leaving a 3 cm (1.2 in) border on all sides. Larger formats (e.g., 50×70 cm / 20×28 in) scale proportionally: a 40×55 cm (16×22 in) window with a 5 cm (2 in) border. The Fine Art Trade Guild defines this as the “optimal sightline” for woodblock prints.
Bottom-weighting the mat (e.g., 4 cm at the base, 3 cm elsewhere) is unnecessary here; Hiroshige’s compositions adhere to the mitate-e (perspectival) tradition, where symmetry anchors the scene. Over-matting (borders exceeding 7.5 cm / 3 in) risks dwarfing the print’s intricate details, such as the rain streaks in Sudden Shower at Ōhashi Bridge.
Glazing and UV protection: non-negotiable specifications
The glazing must block 99% of UV radiation to prevent fading of the aizuri-e (indigo-dyed) papers. Acrylic options like Optium Museum Acrylic® (2.5 mm thickness) or low-iron glass (3 mm) with a UV-filtering interlayer are standard. The latter adds ~20% to framing costs ($400–$600 for a 50×70 cm print) but eliminates the static risk of acrylic.
Spacer depth matters: a 3.2 mm gap between print and glazing prevents moisture transfer, per the Metropolitan Museum of Art framing protocols for Japanese prints. Anti-reflective coatings (etched or film-based) reduce glare but may soften fine lines—test with a sample if displaying under direct light.
Acid-free materials and the framing stack
Every layer touching the print—mat, mount board, hinges—must be pH-neutral and lignin-free. Alpha-cellulose or cotton-rag boards (e.g., 100% rag Museum Board, 235 gsm) are mandatory. Japanese tissue hinges, adhered with wheat starch paste, allow removal without fiber damage. Avoid pressure-sensitive tapes or synthetic adhesives, which the National Gallery of Art links to long-term embrittlement.
The backing board should exceed the mat’s thickness by 1.5–2 mm to accommodate expansion. Sealing the frame’s dust cover with archival tape (not hot glue) completes the enclosure. Expect material costs for a conservation-grade stack to range from $120–$250, excluding labor.
Why framing feels complicated—and how to simplify it
The variables (mat color, glazing, spacers) interact, but the hierarchy is fixed: protection first, aesthetics second. Start with the mat’s material (cotton-rag) and UV glazing as non-negotiables. Then narrow the mat color to off-whites with a warm cast (e.g., Bainbridge Artcare Ivory or Nielsen Bainbridge 8200K).
For reference, the color bands in Wadsworth Portfolio prints (often compared to Hiroshige’s gradations) use similar neutral buffers. Avoid the trap of matching the mat to wall color—it’s the print’s indigo and charcoal that dictate the choice. A framers’ sample book (request “warm whites”) will show how undertones shift under different light temperatures.
Common questions
Does mat thickness affect the print’s perceived depth?
A 4-ply mat (3.2 mm) creates sufficient separation between print and glazing, enhancing dimensionality without overwhelming the ukiyo-e scale. Thinner mats (2-ply) risk a “floating” effect; thicker (8-ply) introduce unnecessary bulk for standard ōban sizes.
Can I use a colored mat for a Hiroshige print?
Only if the color is pulled directly from the print’s secondary palette (e.g., pale ochre for Plum Park in Kameido>). Even then, limit saturation to 10–15% and restrict colored mats to bottom layers in double-mat designs. The top mat must remain neutral.
How does framing a Hiroshige print differ from framing famous conceptual art pieces?
Conceptual works often employ exposed edges or non-archival materials as intentional statements. Hiroshige’s prints demand reversible, protective framing—no adhesive mounting, no “floating” without hinges. The goal is invisibility of process, not emphasis on it, akin to framing a Jean Dubuffet lithograph versus a Hiroshi Nagai screenprint.



Sources & further reading
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