Wallpaper Size & Materials Guide

Wallpaper Size & Materials Guide

Choose the right material, measure your wall, and work out how many rolls you need.

Materials

Every design is available in three materials. They look and install differently, so choose based on your wall and your situation. Swatches are shown at 2× zoom.

Close-up swatch of Vinyl Peel and Stick wallpaper showing a smooth matte finish

Vinyl Peel & Stick

  • Smooth matte vinyl
  • Best for smooth walls
  • High-tack removable adhesive — the strongest grip of the three
  • The Roman EZ Hang Wallpaper Helper is highly recommended
Class A fire rated
Close-up swatch of Premium Fabric Peel and Stick wallpaper showing a fine micro-weave texture

Fabric Peel & Stick

  • Slight semi-gloss finish over a very fine micro-weave
  • Works on all walls
  • Durable and easy to clean
  • The easiest of the three to install
  • The renter-friendly choice — removes without damaging paint
Class A fire ratedLEED certified
Close-up swatch of Unpasted Traditional wallpaper showing a canvas sand texture

Unpasted Traditional

  • Type II 20oz textured non-adhesive wallpaper, non-woven backing
  • Best for slightly textured walls
  • Hung with heavy-weight wallpaper paste — paste is not included
  • Widely used in commercial settings
  • How easily it comes off later depends on the paste your installer uses
Class A fire ratedProp 65 compliant
Before you order, check two things.

1. Your paint. Peel and stick wallpaper — fabric or vinyl — is not compatible with Sherwin Williams ProMar 400 Zero VOC paints, or any paint marketed as Stain-Resistant, Anti-Stain, or Anti-microbial, unless you first prime the wall with Roman Pro-935 R-35 Primer.

2. How recently you painted. If the wall has been painted recently, wait 30 days before installing. Fresh paint needs to fully cure and finish outgassing — installing sooner risks adhesion problems.

Around 99% of peel-and-stick failures come down to wall texture or paint incompatibility, and because everything is made to order we can't accept returns for wall incompatibility. If you're unsure, send us a photo first.

Sizes

Samples — 8 × 11 inches, or 24 × 24 inches. Worth ordering before a full room: colours read differently under different lighting, and for large-scale designs the 24 × 24 inch sample shows the pattern at true scale.

Rolls — all 24 inches wide, in four lengths: 24 × 60, 24 × 96, 24 × 108 and 24 × 122 inches.

How many rolls do I need?
  1. Measure your wall height — the papered area only. Do not include base trim, crown moulding, or anything below a chair rail.
  2. Pick a roll 2 to 4 inches longer than that height. The excess is trimmed after installation.
  3. Divide your wall width by 24 inches and round up. That's how many rolls you need.

Every product page also has a roll calculator that does this for you.

Example 1 — standard wall

Wall: 132 inches wide × 93 inches high, excluding base trim.

dashed outline = 6 rolls of 24 × 96 in 132 in wide24 intrim12 in trimmed from the width, 3 in trimmed over the base trim 93 in high — excludes base trim

132 ÷ 24 = 5.5, rounded up to 6 rolls. A 93 inch wall needs 95–97 inches of length, so the 24 × 96 inch roll is right. The extra hangs over the base trim and is trimmed off, along with 12 inches from the right edge.

Example 2 — wall above a chair rail

Wall: 108 inches wide × 55 inches high above the chair rail. You only paper the area above the rail — the wainscotting and base trim below it are not measured.

dashed outline = 5 rolls of 24 × 60 in 108 in wide24 intrim12 in trimmed from the width, 5 in trimmed over the chair rail 55 in high — above chair rail

108 ÷ 24 = 4.5, rounded up to 5 rolls. A 55 inch wall needs 57–59 inches of length, so the 24 × 60 inch roll is right. The extra hangs over the chair rail and is trimmed off, along with 12 inches from the right edge.

Common questions
I just painted — how long should I wait before installing?
Wait 30 days. Fresh paint needs to fully cure and finish outgassing before wallpaper goes on. Installing sooner is one of the most common causes of adhesion failure.
Which material should I choose if I'm renting?
Fabric Peel & Stick. It removes without damaging paint, so you can put the wall back as you found it.
Which material works on a textured wall?
Fabric Peel & Stick works on all walls. Unpasted Traditional suits slightly textured walls. Vinyl Peel & Stick is best kept to smooth walls. The more texture a wall has, the less surface area the adhesive can grip — heavily textured or bumpy walls may need skim-coating first.
Which paints are not compatible?
Sherwin Williams ProMar 400 Zero VOC, and any paint marketed as Stain-Resistant, Anti-Stain or Anti-microbial. You can still use these walls if you first prime with Roman Pro-935 R-35 Primer.
Which material has the strongest adhesive?
Vinyl Peel & Stick has the highest tack of the three.
Do I measure the full floor-to-ceiling height?
No. Measure only the area you're papering. Exclude base trim, crown moulding, and anything below a chair rail.
What roll length should I order?
Measure the papered height of your wall, then choose a roll 2 to 4 inches longer. Trim the excess after installation.
Are these fire rated?
Yes. All three materials are Class A fire rated. Fabric Peel & Stick is also LEED certified, and Unpasted Traditional is Prop 65 compliant.
Can I use wallpaper in a bathroom or kitchen?
Yes. All three materials handle bathroom and kitchen humidity, and all are water resistant — they can be wiped down with water and a damp cloth. Test any chemical cleaner in an inconspicuous spot first.
Is wallpaper paste included with unpasted wallpaper?
No. Unpasted Traditional needs heavy-weight wallpaper paste, supplied separately.
Should I order an extra roll?
Yes. Every roll is printed to order and material lots vary very slightly over time, so a later top-up order may not match exactly. Order everything at once, plus one spare roll per project.
Not sure which material or how many rolls? Send a photo of your wall through chat or email [email protected] — we'll tell you before you order. See also our FAQs.