How to hang wallpaper (2026)
Quick Answer
To hang wallpaper neatly, start with a clean, sound, well-prepared wall, then plan your starting line, cut the drops with a little extra for trimming, apply paste as required for your wallpaper type, and hang each length plumb before smoothing out air and trimming neatly. The key to a good result is preparation and alignment: wallpaper will highlight bumps, dust, poor adhesion and crooked starting points.
Overview
Hanging wallpaper is mostly a preparation and accuracy job rather than a fast sticking job. If the wall is dusty, flaky, greasy or uneven, the paper is much more likely to bubble, lift at the seams or show every defect through the finish. If your first drop is not perfectly vertical, every drop after it will tend to drift, making patterns harder to match and corners look untidy. Before you begin, identify the wallpaper type and follow the manufacturer’s instructions for that exact product, because paste-the-wall, paste-the-paper, non-woven, vinyl and peel-and-stick wallpapers are handled differently. Also check the pattern repeat and hanging direction on the label so you can cut the lengths correctly and avoid waste. In most rooms, you get the neatest result by starting from a plumb line rather than trusting a corner or door frame to be straight. Work methodically, one drop at a time, smoothing from the centre outward and trimming while the paper is still workable. Take extra care around sockets, switches, windows and corners, where tears and misalignment most often happen. Done carefully, wallpaper can give a durable finish that hides minor wall imperfections better than paint, but only if the surface is properly prepared.
Who this is for
Homeowners, renters with permission, and DIY beginners who can work carefully and patiently on interior walls in sound condition.
What you’ll need
- Wallpaper suitable for the room
- Correct adhesive for that wallpaper, if required
- Manufacturer instructions and label information
- Dust sheets
- Step ladder
- Tape measure
- Pencil
- Spirit level or plumb line
- Sharp trimming knife or snap-off blade knife
- Wallpaper smoothing tool or paperhanger’s brush
- Seam roller if recommended for your wallpaper type
- Paste brush or roller if using adhesive
- Pasting table if the wallpaper needs pasting on the back
- Bucket or tray for paste
- Clean sponge or damp cloth for wiping excess paste as directed
- Filling knife or broad scraper for trimming support
- Wall filler for small defects
- Sandpaper
- Primer, size, or wall preparation product if recommended by the wallpaper manufacturer
- Screwdriver for loosening faceplates around sockets and switches after isolating power
Before you start
Check what type of wallpaper you have and read the label fully before opening all rolls. Confirm the wall is dry, clean, sound and smooth, and remove old loose wallpaper, flaking paint, dust, grease and mould before you begin. If the wall is fresh plaster, newly filled, very porous, glossy or stained, check the wallpaper and adhesive manufacturer’s guidance on priming or sealing first. Make sure all rolls are the same batch if appearance consistency matters. Plan where the first drop will go and where any small offcuts or awkward joins will be least noticeable. If working near sockets or switches, isolate the electricity at the consumer unit before loosening faceplates.
Step-by-step
- 1
Prepare the wall properly
Clear the area, protect the floor, and remove nails, hooks and faceplates where needed. Strip any loose old wallpaper, scrape away flaky paint, fill small holes and cracks, then sand smooth. Wash off dust and grease and let the wall dry. Apply any primer, sealer or wall preparation product recommended for your wall surface and wallpaper type.
Why: Wallpaper sticks reliably only to a clean, stable surface. Dirt, chalky paint, moisture and rough patches can cause poor adhesion, visible ridges, bubbling and seam failure.
- 2
Plan the layout and mark a vertical guide
Decide where to start based on the room shape, pattern visibility and least noticeable final join. Use a spirit level or plumb line to draw a light vertical guideline for the first drop. Do not assume a corner, ceiling line or door frame is straight.
Why: The first length sets the line for the whole wall. If it starts off-vertical, the pattern and seams will drift, and the error becomes more obvious with each drop.
- 3
Measure and cut the first drops
Measure the wall height and cut a length with a little extra at top and bottom for trimming. If the wallpaper has a pattern, check the repeat and match before cutting additional drops. Keep the drops in order if the pattern requires it.
Why: Extra material allows clean trimming at the ceiling and skirting without ending up short. Pattern planning avoids mismatched joins and unnecessary waste.
- 4
Apply paste the right way for your wallpaper
Follow the wallpaper and adhesive instructions exactly. For paste-the-paper products, spread paste evenly over the back, paying attention to the edges, then allow any required soaking or booking time stated by the manufacturer. For paste-the-wall products, apply adhesive evenly to the wall over the area for one drop at a time. For self-adhesive products, follow the backing removal method on the label and avoid touching the adhesive excessively.
Why: Different wallpapers behave differently when wet or handled. Using the wrong method can cause stretching, poor adhesion, seam gaps or damage to the face of the paper.
- 5
Hang the first drop and smooth it out
Position the first drop against your plumb line, allowing the extra length to overlap at the top and bottom. Lightly set it in place, then smooth from the centre outward with a smoothing tool or paperhanger’s brush to remove air pockets and help the paper bed down. Wipe off excess paste promptly if the manufacturer says it is safe to do so.
Why: Gentle, even smoothing removes trapped air without dragging or stretching the paper. Cleaning paste before it dries helps prevent marks and edge staining.
- 6
Trim neatly at edges and around obstacles
Use a filling knife or broad scraper as a guide and trim the excess at the ceiling, skirting and around frames with a sharp blade. Change blades often. Around sockets and switches, make a small relief cut only after the paper is in place, then trim carefully once the faceplate area is exposed. Refit faceplates neatly when finished and dry enough as directed.
Why: Sharp trimming gives crisp edges and reduces tearing. Working the paper into place before cutting helps avoid visible gaps and oversized openings.
- 7
Hang the remaining drops and match the pattern
Offer up each new drop so the pattern aligns before smoothing fully into place. Butt seams together unless the manufacturer says otherwise; do not overlap standard wallpapers unless specifically instructed. Smooth each drop, clean off any paste residue, and check seams, edges and pattern match as you go.
Why: Wallpaper is easier to correct while still workable. Careful seam alignment and immediate checks prevent a wall full of small errors that are hard to fix later.
- 8
Finish corners and inspect the wall
Treat internal and external corners carefully rather than forcing a full-width drop around them if it will not sit flat; follow the wallpaper manufacturer’s method for corners. Once the wall is complete, inspect for bubbles, lifting edges, paste marks and misaligned seams, and correct any issues while the adhesive is still workable according to the product guidance.
Why: Corners are rarely perfectly straight, and forcing wallpaper through them often leads to creasing or pattern drift. A final inspection catches faults before they set.
Why this works
Wallpaper hangs well when the substrate is sound, the first drop is truly vertical, the adhesive method matches the wallcovering, and each length is smoothed without stretching. Good preparation controls adhesion; good layout controls appearance.
Common mistakes to avoid
- Starting from a corner without checking plumb
- Hanging over dusty, flaky, damp or greasy walls
- Using the wrong paste or the wrong application method for the wallpaper type
- Cutting all drops before checking pattern repeat and hanging direction
- Stretching the paper while smoothing, which can lead to seam gaps later
- Using a dull blade and tearing the edges during trimming
- Leaving paste residue on the wallpaper face where the manufacturer warns against it
- Forgetting to isolate electricity before working around sockets and switches
Troubleshooting
Bubbles appear under the wallpaper
Gently smooth from the centre outward while the adhesive is still workable. Check whether the bubble is trapped air or a dry patch with poor adhesive contact. If caused by debris or a wall defect, you may need to lift the section carefully and correct the surface.
Seams are opening
Check whether the edges had enough adhesive and whether the paper was overstretched during hanging. Carefully ease the edge back if possible and apply the adhesive method recommended for edge repair by the wallpaper manufacturer.
Pattern does not line up
Stop and check that the drop is the right way up and in the correct sequence. If the paper has shifted only slightly and is still movable, reposition it before pressing firmly.
Edges are lifting in corners
This often happens if the wall was dusty, the corner was forced, or the substrate is unstable. Follow the manufacturer’s corner method and make sure the surface is sealed and sound before rehanging that section.
Paste marks show on the face
Follow the wallpaper maker’s cleaning instructions immediately. Some wallcoverings can be gently wiped; others mark easily, so test cleaning guidance on an offcut first if allowed by the manufacturer.
Compare your options
Paste-the-wall wallpaper
Best for: Quicker installation and easier handling for many DIY users
Pros: No need to paste the back of each drop; often easier to position; can be less messy
Cons: Still needs careful wall preparation; not all wallpapers use this system
Paste-the-paper wallpaper
Best for: Traditional papers and products specifically designed for this method
Pros: Common system with wide product choice
Cons: Messier; paper can expand and needs the exact handling stated by the manufacturer
Peel-and-stick wallpaper
Best for: Temporary or lower-commitment projects where the product is suitable
Pros: No wet paste; can be convenient for some users
Cons: Can be less forgiving on uneven walls; alignment and repositioning vary by product; may not suit humid rooms or all paint finishes
| Option | Best for | Pros | Cons |
|---|---|---|---|
| Paste-the-wall wallpaper | Quicker installation and easier handling for many DIY users | No need to paste the back of each drop; often easier to position; can be less messy | Still needs careful wall preparation; not all wallpapers use this system |
| Paste-the-paper wallpaper | Traditional papers and products specifically designed for this method | Common system with wide product choice | Messier; paper can expand and needs the exact handling stated by the manufacturer |
| Peel-and-stick wallpaper | Temporary or lower-commitment projects where the product is suitable | No wet paste; can be convenient for some users | Can be less forgiving on uneven walls; alignment and repositioning vary by product; may not suit humid rooms or all paint finishes |
Alternatives
- Use lining paper first if the wall has minor imperfections and the finish wallpaper needs a smoother base
- Choose paint instead of wallpaper if the wall is very uneven, frequently damp, or likely to need regular patch repairs
- Hire a professional paperhanger for large patterned feature walls, stairwells, high ceilings or expensive wallcoverings
Pro tips
- Use offcuts to practise trimming and to test cleaning method if the manufacturer allows it
- Keep hands, tools and the work area clean to avoid marking the wallpaper face
- Change knife blades often; a fresh blade makes a big difference to edge quality
- Work in good light so you can spot bubbles, paste residue and pattern mismatch early
- Check each seam as you go rather than waiting until the whole wall is done
- Leave a little extra at the top and bottom of every drop; it is easier to trim than to disguise a short length
Safety notes
- Isolate power before removing or loosening socket and switch faceplates, and only work within your competence
- Use a stable step ladder and avoid overreaching
- Follow the adhesive and wallpaper manufacturer’s safety guidance, including ventilation advice where given
- Use sharp knives carefully and cut away from your body where possible
- Be cautious if stripping old coatings in older homes, as specialist hazards may require professional assessment
What this guide does not cover: This guide covers general interior wallpaper hanging only. It does not give product-specific soaking times, adhesive choices, pattern-repeat figures, drying times or specialist methods for every wallcovering type; use the exact wallpaper and adhesive manufacturer instructions for those details.
Cost considerations
Costs vary widely by wallpaper type, adhesive system, wall preparation needs and waste from pattern matching. Feature walls and simple patterns usually use less material and time than whole rooms or large repeats. Good preparation materials can add to the job, but skimping on prep often leads to poor adhesion and rework.
Prefer to hire a professional?
If this job is beyond a confident DIY — or the work needs to be done by a licensed professional — you can find a verified qualified local tradesperson through Trade Directory (tradedirectory.co.nz), New Zealand's directory of real, verified trade businesses. Compare local tradespeople, read their details and request quotes before you commit.
Find a qualified local tradesperson on Trade DirectoryFrequently asked questions
Do I start wallpapering from a corner?+
Usually no. Start from a true vertical line. Corners are often not plumb, and starting there can throw the whole wall off.
Can I wallpaper over painted walls?+
Often yes, if the paint is sound, clean and properly prepared. Glossy, flaky, chalky or dirty paint needs suitable preparation first, and some surfaces may need priming or sizing as advised by the wallpaper manufacturer.
Should wallpaper seams overlap?+
Standard wallpapers are usually butted edge to edge, not overlapped, unless the manufacturer specifically states otherwise.
How do I deal with sockets and switches?+
Turn off the power first, loosen the faceplate, hang the paper over the opening, make careful relief cuts, trim neatly, then refit the faceplate once appropriate.
Do I need lining paper first?+
Not always, but it can help if the wall has minor imperfections, colour variation or a surface that needs evening out before the finish wallpaper goes on.
Sources & references
Guidance on this page is traced to documented sources. Last checked 24 September 2026.
- BSI Group · official
General authority for standards-related good practice; included as a recognised standards body rather than for a specific how-to measurement.
The core method changes little, but product-specific adhesive and handling instructions vary by wallpaper manufacturer and should always be checked.