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Case Study: Stopping Marker & Pencil Bleed-Through with SPO Shellac Stain & Odour Blocker
Highlight
- Ink & Graphite Sealing: Effectively traps pen/pencil marks.
- DIY-Friendly: Quick, straightforward application for home projects.
- Universal Primer: Works on timber, plaster, Plywood and more—ideal for feature wall panelling.
- Fast-Drying: Dries in ~30 minutes, allowing for quicker project turnaround and immediate overcoating.
Introduction
When a DIY enthusiast draws guidelines or uses permanent marker on wall panelling, removing those marks can be harder than expected. In this case study, a UK homeowner discovered that even sanding and regular primers weren’t enough to stop marker and pencil from “ghosting” through. The solution? SPO Shellac Stain & Odour Blocker.
Background & Challenge
Client Background
A DIYer decided to install decorative panelling in their living room and marked the walls with permanent marker and pencil to plan the design. The lines persisted even after attempts to wash or sand them away.
Challenge
- Persistent Markings: Ink and pencil residue bled through standard primers.
- Aesthetic Importance: The wall panelling was a focal point, so any bleed-through would ruin the final look.
- Time Constraints: The homeowner wanted to finish quickly, without repeated coats.
Initial Conditions
The pen lines remained visible after a coat of regular primer. The homeowner worried that applying the topcoat would only partially obscure them, leaving faint marks.
The Solution & Implementation
How the Product Was Used
- Surface Prep: The DIYer lightly sanded the panel areas, removing loose debris.
- Shellac Primer Application: SPO Shellac Stain & Odour Blocker was applied directly over the marker and pencil lines with a brush, then extended slightly around each mark.
- Fast Drying: In about 30 minutes, it was dry to the touch.
- Topcoat Finish: A standard interior paint was then applied, resulting in a flawless, mark-free surface.
Our technical team suggested shellac for its superior bonding to marker inks and recommended a slight overlap to ensure full coverage.
Results & Customer Feedback
Outcomes
- No “Ghosting”: Pencil and permanent marker lines were 100% sealed.
- Smooth, Attractive Panelling: The final painted panels showed no trace of previous markings.
- Quick Project Completion: Rapid dry times reduced waiting, letting the homeowner finish over a weekend.
Testimonial
“Initially I thought paint would cover it however, this turned to thinking permanent marker would never go away, but SPO Shellac blocked it completely. The panelling turned out beautifully!”
— James K., DIYer in Birmingham
Further Reading
- Read our main blog on SPO Shellac Stain & Odour Blocker for more details
- View the product here: SPO Shellac Stain & Odour Blocker
Conclusion
For marker and pencil stains that resist conventional solutions, SPO Shellac Stain & Odour Blocker ensures a pristine surface every time. From decorative panelling to feature walls, it’s the UK homeowner’s go-to solution for unstoppable ink or graphite marks.
Contact Us
Our technical team includes qualified paint inspectors with extensive manufacturing and supply knowledge. We're here to support you—whether you need advice, help with this product, or guidance on other paint projects.
- Live Chat: On our website (bottom-right corner)
- Phone: 01482 222421
- Email: info@specialistpaintsonline.co.uk
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Business Hours:
- Mon–Thu: 8:30 AM–5:00 PM
- Fri: 8:30 AM–3:45 PM