Ultimate PS Wall Panel FAQ: Answers to the 12 Questions You Want to Ask

Worried about buying the wrong product? Afraid of botched installation? Unsure about long-term reliability? We’ve put together the 12 most frequently asked questions about PS wall panels. Each answer is straight to the point. Read this and you’ll know more than 80% of salespeople.

Environment & Safety

Q1: Do PS wall panels contain formaldehyde? Can I use them in a home with young children?

A: High-quality PS panels are manufactured without adding formaldehyde – the polystyrene base material itself contains no formaldehyde. Test reports usually say “not detected”. They are completely safe for homes with children or pregnant women. But beware: cheap PS panels may use recycled materials or poor-quality glues. Always buy products with environmental certificates.

Q2: Are PS wall panels fire-resistant? Will they catch fire easily?

A: PS panels rated B1 (difficult to ignite) will char under a lighter flame, but the fire self-extinguishes within seconds after the flame is removed. B1 is the standard fire-compliance grade for interior decoration. Ordinary PVC panels are B2 or B3 – they keep burning and emit black smoke. Always ask: B1 or B2?

Q3: Do PS wall panels have a plastic smell?

A: When first unpacked, there might be a slight odor from the packaging or the lamination film. Airing out for a day or two removes it. If a sharp smell persists, the panel may be made from low-quality recycled material. Good PS panels have almost no odor even when you put your nose close.

Installation

Q4: Can I install PS panels directly over old walls? Do I need to remove old wallpaper?

A: Yes. Old latex paint, old wallpaper (just peel off the surface – you don’t need to scrape all the glue), and old ceramic tiles can all be used as a base. The only requirements: the wall must be dry, grease-free, and free of loose material. If the old wallpaper is extensively bubbled, fix that first. Overall, you save about 80% of the wall preparation work compared to traditional renovation.

Q5: Is DIY installation difficult? Can a complete beginner do it?

A: Yes. The adhesive method is even simpler than applying a screen protector – apply glue, align, press flat. The only critical step is to level the first panel correctly using a spirit level. After that, just follow along. An average adult can learn from a one-hour tutorial. If you’re still nervous, buy a few extra panels and practice on a small wall (balcony or closet).

Q6: Which is better – adhesive or nail-on installation?

A: Adhesive is quiet, requires few tools, and works well on tile or smooth walls, but you need to wait 24 hours for the glue to cure. Nail-on gives instant hold, is more secure, and allows removal, but requires a nail gun. For most homes, adhesive is enough. If your wall is wood-framed or light steel stud, nail-on is better. Not sure? Use adhesive plus a few nails for extra security.

Durability & Maintenance

Q7: Are PS panels scratch-resistant? What if I have cats or dogs?

A: The surface has a high-hardness coating (pencil hardness HB-F). A key scratch leaves almost no white mark. Cat scratches usually only mark the surface and can be wiped away with a damp cloth. PS panels are far more durable than wallpaper, latex paint, or cork. Worst case: if a cat scratches the exact same spot every day for years, there may be some wear – but replacing one panel is easy.

Q8: Can I use PS panels in a bathroom? Will they get moldy?

A: Dry zones (next to the vanity, behind the toilet) are perfectly fine. For wet zones (the shower area), either use dedicated shower panels or seal every seam with waterproof caulk. PS panels themselves do not mold, but if seams are not sealed, moisture can seep behind. Quick rule: avoid direct spray areas; everywhere else is fine.

Q9: Will PS panels turn yellow over time? Can I use them on a balcony?

A: Indoors, you will see almost no yellowing after 5 years (ΔE < 2). On an enclosed balcony without direct sun, light-colored panels are fine. For open balconies with prolonged direct sun, avoid dark colors (they may fade slightly). Light colors hold up well. Good PS panels have a UV-resistant layer and last at least three times longer than ordinary PVC in sunlight.

Q10: Can I hang a TV or pictures on a PS panel wall? How much weight can it hold?

A: Yes. For nail-on installation, drill through the panel into the original wall and use expansion anchors – the load is carried entirely by the original wall. For adhesive-only installation, locate studs behind the wall or use heavy-duty picture hangers. For lightweight pictures (under 5kg), you can also use adhesive hooks directly on the panel surface.

Purchasing & Cost

Q11: How much do PS wall panels cost per square meter? Why are some so cheap?

A: Market prices range from ¥40/m² to ¥150/m². The ¥40 ones are usually PVC sticker panels (not real PS) – they scratch easily and turn yellow within three years. Reliable PS panels with coating and test reports cost ¥80-120/m². Above ¥150 may be imported or special embossed designs. Remember: cheap often means short life, poor eco-friendliness, and no after-sales support.

Q12: How can I tell if a seller is trustworthy?

A: Ask for four things: a B1 fire report, water absorption data, a CE certificate, and a formaldehyde test report with actual numerical results. A seller who can immediately produce these with good numbers is reliable. Anyone who hesitates or only gives brochures – move on.

Quick Reference: 12 Questions at a Glance

Final words

If you have more questions, feel free to leave a comment or contact us directly. We don’t sell the cheapest panels – we sell panels that let you stop worrying.