Introduction

Wallpaper has made a massive comeback in home decor; it is one of the most transformative things you can do to a room. A single accent wall covered in a bold botanical print or an entire room wrapped in soft, muted tones can completely change the vibe. Though the installation process is sometimes tough for first time installers to wrap their head around. If you are looking for an approachable option, william morris peel and stick wallpaper is a great way to bring classic pattern into your space without the commitment of traditional paste.

Hanging wallpaper is absolutely something you can tackle yourself with the right guidance and a bit of patience. It is not as intimidating as it seems, especially once you understand the basics. This guide will walk you through every step of the process, from picking the right wallpaper for your skill level to smoothing out those final seams like a pro.

I have been through the learning curve myself, when I purchased william morris strawberry thief wallpaper and I want to save you from the trial-and-error frustration. Whether you are working with traditional unpasted paper, convenient pre-pasted rolls, or modern peel-and-stick options, I will cover the basics of what you need to know to get beautiful results.

Understanding Your Wallpaper Options

Before you buy anything, you need to understand what type of wallpaper you are working with. Not all wallpaper is created equal, and the type you choose will determine your installation process.

Pre-Pasted Wallpaper

Pre-pasted wallpaper comes with adhesive already applied to the back. All you need to do is activate the paste by soaking the paper in water. This is one of the most beginner-friendly options because it eliminates the messy step of applying glue yourself. The water activates the adhesive, and you hang the paper directly onto the wall.

The activation time is quick, usually around 30 seconds to a minute in a water trough. You want the paper to be fully wet but not soaking. Over-soaking can cause the paper to expand too much and tear when you try to maneuver it.

Unpasted Wallpaper

Unpasted wallpaper requires you to apply adhesive separately. You lay the wallpaper on a flat surface, typically a pasting table, and brush or roll the paste onto the back before hanging it. This gives you more control over the adhesive application and open time.

I personally prefer unpasted paper for larger projects because you can work at your own pace without worrying about the paper drying out while waiting to apply it. It does add an extra step, but many experienced wallpaper hangers swear by it for the control it offers.

Peel-and-Stick Wallpaper

Peel-and-stick wallpaper has become incredibly popular in recent years, especially for renters and temporary installations. The adhesive is on the back, and you simply peel off a protective liner to expose it. There is no water or paste involved.

This type is the easiest to remove and reposition, which makes it great for beginners who are nervous about making permanent mistakes. However, it can be trickier to get to stay on certain wall textures, and the adhesive tends to be less forgiving if you are applying it over a surface that is not perfectly smooth.

Paste-the-Wall Paper

Paste-the-wall wallpaper is designed to have paste applied directly to the wall rather than to the back of the paper. This is a game-changer for messy installations because you are not dealing with wet paper. You apply paste to the wall, then position the dry wallpaper on top.

This type is ideal if you are working with a heavy or delicate paper that might stretch or tear when wet. It also speeds up the process because you do not have to pre-soak anything. I recommend this option for anyone who has tried traditional methods and wants something cleaner.

Gathering Your Supplies

Walking into a wallpaper project without the right supplies is like trying to cook a complicated meal without the proper utensils. You can make it work, but it will be harder than it needs to be.

Here is what you need to have on hand:

Essential Tools

• A sharp utility knife or wallpaper blade with extra blades. You will go through these quickly.

• A metal ruler or straightedge for clean cuts.

• A wide putty knife or taping knife (6-inch works well) for smoothing.

• A wallpaper brush or plastic smoother for pressing out bubbles.

• A seam roller for pressing seams flat.

• A wallpaper smoothing tool with a tapered edge.

• A pencil for marking.

• A level to keep your first strip straight.

• A measuring tape.

Application Supplies

• Wallpaper paste appropriate for your paper type. Read the manufacturer's recommendations.

• A paste brush or roller if you are using unpasted paper.

• A wallpaper pasting tray or trough for pre-pasted papers.

• A clean sponge for wiping excess paste.

• A bucket of clean water.

• Drop sheets to protect your floor.

Preparation Supplies

• Wallpaper primer to prepare your walls.

• Spackle or joint compound for repairs.

• Fine-grit sandpaper for smoothing repaired areas.

• TSP cleaner or a degreaser for cleaning walls.

Invest in quality tools. A good smoothing brush and sharp blades make a huge difference in the final result. Dull blades will tear your paper and leave ragged edges, which is heartbreaking after all that work.

Preparing Your Walls

This step is not glamorous, but it is arguably the most important part of the entire process. The condition of your walls will make or break your wallpaper installation.

Clean Your Walls Thoroughly

Start by washing your walls with a mild detergent solution. I use TSP (trisodium phosphate) mixed with water for stubborn grease or grime, especially in kitchens. Rinse with clean water and let the walls dry completely.

Any dust, grease, or residue left on the walls will prevent the adhesive from bonding properly. You might get beautiful results at first, but sections can start peeling within weeks if the wall surface is not clean.

Make Necessary Repairs

Fill any holes, cracks, or dents with spackle. Once dry, sand them smooth until the surface is even. Larger holes might need mesh tape or multiple applications of spackle.

If you are hanging wallpaper over textured walls, you have two choices. You can sand down the texture (labor-intensive but worth it for a smooth result), or you can apply a skim coat of joint compound to create a smooth surface. Skim coating is common practice in professional wallpaper installation.

Apply Primer

Primer creates a uniform surface that helps the adhesive bond consistently. It also makes removal easier down the line, which is a nice bonus.

I recommend a dedicated wallpaper primer over a standard wall primer. Products like Roman PRO-999 Rx-35 or Zinsser Gardz are popular choices. Apply with a roller, let dry according to the product instructions, and you are ready to go.

Planning Your Layout

Rushing into the hanging process without a plan is a recipe for frustration. Spend some time mapping out your approach before you start.

Measure Your Walls

Measure the height of your wall from floor to ceiling. Add 4 inches to this measurement to allow for trimming at the top and bottom. This extra length gives you breathing room for adjustments.

For the width, measure across the wall and divide by the width of your wallpaper roll. Most wallpaper is either 20.5 inches or 27 inches wide. This calculation tells you how many full strips you need. 

If you have windows or doors, measure those areas separately. You will be cutting around them anyway, so you want to know roughly where they fall in your layout.

Find Your Starting Point

Where you start hanging the first strip determines everything else. The goal is to have seams in less visible areas and avoid tiny slivers in obvious places.

In most rooms, you should start at a corner and work your way around. Pick a corner that is not the first thing you see when you walk into the room. A corner behind a door or near a large piece of furniture is ideal.

Alternatively, some installers prefer to start at the focal point of the room. If you are doing an accent wall with dramatic wallpaper, start in the center of that wall and work outward. This keeps the pattern perfectly centered where it matters most.

Understand Pattern Matching

If your wallpaper has a pattern, you need to match it at the seams. The pattern repeat is the vertical distance between where a design element repeats. You will find this listed on the wallpaper label.

Large pattern repeats mean more waste because you might need to throw away several inches between strips to get the pattern to line up. Smaller repeats are more economical and easier to match.

Calculate how much wallpaper you actually need by factoring in the pattern repeat. Do not skimp on quantity. It is better to have extra than to run short halfway through a wall.

Cutting Your Wallpaper Panels

Now comes the actual preparation work. You need to cut your wallpaper into panels before hanging them, unless you are using paste-the-wall or peel-and-stick, which can sometimes be hung directly from the roll.

Set Up a Cutting Station

Lay out a long table or set up a clean floor area with a drop cloth. You need a flat, smooth surface that is longer than your wallpaper panels. A folding table works perfectly.

Cut Your First Panel

Unroll the wallpaper and lay it face-down on your cutting surface. Measure from the top, adding your extra 4 inches. Mark with a pencil and use your straightedge to guide a straight cut.

Account for Pattern Matching

For subsequent panels, you need to match the pattern before cutting. Hold the new roll next to the first panel, aligning the pattern at the top edge. Once you have a match, add your 4-inch margin and cut.

This process takes time, but it is worth it. Nothing looks worse than a beautiful wallpaper with mismatched patterns at every seam.

Label Your Panels

As you cut each panel, label the top back with a pencil. Write a number or letter and indicate the order they should be hung. This prevents confusion once you start pasting.

Applying and Hanging Your Wallpaper

This is where the magic happens. Take your time with the first panel because it sets the standard for everything that follows.

Prepare Your Paste

If you are using unpasted wallpaper, mix your wallpaper paste according to the package directions. I know it is tempting to eyeball the consistency, but follow the instructions. The right thickness matters for proper adhesion.

Let the mixed paste sit for the recommended time before using it. This allows the chemistry to work properly.

Activate or Apply Paste

For pre-pasted paper, fill your pasting tray with lukewarm water. Roll the paper into the tray with the adhesive side facing the water. Let it soak for the time specified on the label, typically 30 seconds to a minute.

Gently fold the top third of the paper back on itself, adhesive to adhesive, without creasing. This is called booking. Let it sit for a few minutes while you prepare the next step. The paper will continue to relax and expand during this time.

For unpasted paper, lay the panel face-down on your table. Apply paste evenly from the center outward to the edges. Book the paper the same way and let it rest for the recommended open time.

For paste-the-wall paper, apply paste directly to the wall with a roller or brush. Work in an area slightly wider than one panel width.

Hang the First Panel

Start at your chosen starting point. Use a level to draw a light vertical pencil line. This line is your guide and ensures your first panel is perfectly straight. Even a tiny bit off at the top will compound into a noticeable angle at the bottom.

Position the top of your booked paper at the ceiling line. Unfold the top section first and press it gently against the wall. Leave that 2-inch overlap at the ceiling for now.

Smooth the Paper

Working from the center outward, use your wallpaper brush or smoother to push out air bubbles and excess paste. Apply firm, even pressure without stretching the paper.

Work your way down, unfolding and smoothing section by section. If you see wrinkles, gently lift that section and re-smooth it. Never pull hard on wet wallpaper because it will stretch and cause issues when it dries.

Trim Excess

Once the panel is in place, use your straightedge and sharp utility knife to trim the excess at the ceiling and floor. A fresh blade is essential here. Hold the straightedge firmly and make one confident cut.

Wipe away any paste that is squeezed out with a damp sponge. Do not let the paste dry on the surface because it can damage the finish.

Hang Subsequent Panels

Butt the next panel against the first one, aligning the pattern. Do not overlap; the edges should meet precisely.

Check your seams as you go. A seam roller can help press them flat, but be gentle. Too much pressure can squeeze out adhesive or damage the paper surface.

Work your way around the room, maintaining alignment and pattern matching. If a seam is not quite perfect, do not panic. Slight adjustments are normal, and you can often nudge the paper a bit while the adhesive is still wet.

Working Around Corners, Windows, and Doors

Corners and obstacles are where beginners get nervous. Here is how to handle them.

Inside Corners

Never try to wrap an inside corner with a single strip that spans the entire wall. The corners of most rooms are not perfectly straight.

Hang your strip so that it wraps around the corner by about 1 inch onto the adjacent wall. Measure from the last hung strip to the corner at several points along the height of the wall. Use the narrowest measurement to cut your next strip, accounting for the 1-inch overlap.

This method ensures you will never have a gap or misalignment at the corner.

Outside Corners

For outside corners, wrap the paper around the corner and over onto the adjacent wall by at least 3 inches. If the corner is not perfectly straight, you might need more.

Score the paper gently along the corner bead if you need it to bend more easily, but be careful not to cut through. A wooden dowel or plastic smoother pressed into the corner can help create a sharp edge.

Windows and Doors

When you reach a window or door, hang the panel so it overlaps the opening. Make diagonal cuts from the edge of the opening to the corners, then press the paper into the opening area.

Trim the excess carefully around the frame, leaving a small overlap that will be covered by the window or door trim. This is why having extra length matters.

Remove switch plates and outlet covers before hanging and cut the paper to fit around those openings. It looks much cleaner than trying to trim around the plates after installation.

Finishing and Drying

Once all your panels are up, there are a few final steps.

Final Trimming

Check all edges and seams. Make any necessary touch-up trims with a sharp blade. Pay attention to where the wallpaper meets the ceiling and floor.

Clean Up Paste

Wipe the entire surface with a barely damp sponge to remove any paste residue. Go gently to avoid lifting seams. Dry paste is much harder to remove and can leave a shiny film.

Let It Dry

This is crucial. Allow your wallpaper to dry completely before putting any furniture back against it or reinstalling switch plates. Typically 24 to 48 hours, depending on humidity and air circulation.

Do not rush this step. Forced heat or fans can cause uneven drying, which might lead to gaps at seams.

Common Mistakes and How to Avoid Them

After going through this process several times myself and watching others tackle it, I have seen the same mistakes repeat themselves.

Rushing the prep work. I cannot stress this enough. Skipping the cleaning, repairs, or primer will haunt you. The few hours you save now will cost you days of frustration later when sections start failing.

Using dull blades. Change your utility knife blades frequently. A dull blade tears instead of cuts, and torn edges are visible from across the room.

Not mixing paste correctly. Follow the directions. Too thin and the paper will not stick. Too thick and it will be hard to apply evenly and may not bond properly.

Over-working the seams. Excessive rolling or brushing at seams can squeeze out adhesive and damage the paper. Gentle pressure is all you need.

Ignoring expansion and contraction. Wet wallpaper expands and contracts as it dries. If you notice a seam lifting slightly, press it back gently while the paper is still adjusting.

Starting in the wrong place. Think about the visibility of your room entrance and focal points before choosing a starting point. Your first seam should be the least obvious.

Maintaining Your Wallpaper

Once your wallpaper is installed and looking beautiful, you want to keep it that way.

Regular dusting with a soft brush attachment on your vacuum keeps dirt from building up in the texture. For marks or smudges, a magic eraser works surprisingly well on most vinyl and coated papers. Always test a small, hidden area first.

Avoid harsh chemical cleaners unless the wallpaper manufacturer specifically recommends them. Water and a gentle touch are usually all you need.

If a seam does start to lift, you can typically fix it by carefully peeling back the section, applying a tiny bit of wallpaper adhesive or seam adhesive, and pressing it back into place.

When to Call a Professional

There is no shame in knowing your limits. If your walls have extensive damage, unusual surfaces, or you are working with an extremely expensive or delicate material, consider hiring a professional installer.

Professional wallpaper hangers have the experience to handle tricky situations like uneven walls, complicated pattern matching, and delicate materials. They also have the right tools to get perfect results efficiently.

If you decide to hire someone, ask for references and look at their portfolio. Many wallcovering installers are members of the Wallcovering Installers Association and have completed certification training.

Final Thoughts

Hanging wallpaper is absolutely achievable for a motivated beginner. The key is preparation, patience, and attention to detail. Do not be afraid to take your time, especially with those first few panels. The learning curve is real, but once you get the hang of it, you will be hooked.

There is something deeply satisfying about transforming a room with your own hands. Watching a blank wall come alive with color and pattern is one of the most rewarding DIY projects you can tackle.

If you are feeling inspired, start with a smaller project like a powder room or a single accent wall. Build your confidence and skills before taking on an entire living room or master bedroom. And remember, even professional installers started somewhere. They just had the advantage of learning from someone else first.

Frequently Asked Questions

What Is the Best Type of Wallpaper for Beginners?

Peel-and-stick wallpaper is the most forgiving option for beginners. It allows you to reposition strips if they are not aligned correctly, and there is no paste or water involved. Pre-pasted wallpaper is the next easiest option because it only requires water activation. Both are excellent starting points before moving to unpasted or paste-the-wall papers.

How Do I Know How Much Wallpaper to Buy?

Measure the height and width of each wall you plan to cover. Add the height to itself for a trim allowance, then multiply width by height for square footage. Divide by the square footage on your wallpaper roll to get the number of rolls needed. Always add an extra 10 to 15 percent for pattern matching and cutting mistakes. It is much better to have leftover wallpaper than to run short.

Can I Hang Wallpaper Over Existing Wallpaper?

It is generally not recommended. Existing wallpaper can create an uneven surface, and the new adhesive may not bond properly with the old material. Additionally, if the old wallpaper starts to peel or bubble, it will affect the new layer. Strip the old wallpaper, prepare the wall properly, and then apply the new paper for the best results.

How Long Does Wallpaper Take to Dry?

Most wallpaper needs 24 to 48 hours to dry completely. Drying time depends on the type of adhesive used, room temperature, and humidity levels. Keep the room well-ventilated but avoid direct heat sources like hair dryers, which can cause uneven drying. Do not hang furniture against freshly papered walls or reinstall switch plates until the wallpaper is fully dry.

Why Are My Seams Showing After Installation?

Seams can show for several reasons. The wallpaper may not have been hung with edges perfectly butted together. Over-working the seams during smoothing can push adhesive away from the edges. Some papers, especially darker colors, are more prone to visible seams. Always book the paper properly before hanging and use gentle, consistent pressure when smoothing. If seams keep lifting, a small amount of seam adhesive applied with a needle can fix the issue.

Can Wallpaper Be Hung in Bathrooms and Kitchens?

Yes, but you should choose appropriate materials. Vinyl-coated or solid vinyl wallpapers are best for high-moisture areas because they can withstand humidity and occasional splashes. Avoid non-woven or paper-based wallpapers in areas with direct water exposure. Make sure your bathroom has proper ventilation to prevent excessive moisture buildup, and consider using a mildew-resistant primer underneath the wallpaper in these spaces.