Dry lining, often referred to as "tacking," is the most common method for finishing internal walls in modern UK homes. By using plasterboard sheets instead of t...
Whether you are renovating an Victorian terrace or finishing a new extension, dry lining provides an excellent opportunity to improve your home's thermal efficiency and acoustic insulation. This guide covers everything you need to know about the process, costs, and regulations involved in a professional installation.
What Does the Work Involve?
- Site Preparation: Removing old wallpaper, checking for damp, and ensuring the substrate (brickwork or stud frame) is level.
- Fixing Method Selection: Choosing between "Dot and Dab" (using adhesive dabs on masonry) or "Tacking" (screwing boards to timber or metal studs).
- Insulation & Barriers: Installing PIR foam boards or mineral wool between studs, and fitting vapour control layers where required.
- Boarding: Cutting and fixing plasterboard sheets, ensuring tight joints and staggered seams to prevent future cracking.
- Finishing: Either "Taping and Jointing" (filling gaps and sanding) or "Skimming" (applying a thin coat of wet plaster over the boards).
- Beading: Fitting metal or plastic beads to external corners to ensure sharp, impact-resistant edges.
Typical Costs
Prices for dry lining vary based on the type of board used (e.g., moisture-resistant for bathrooms or acoustic board for bedrooms) and the complexity of the room layout.
| Item | Low £ | High £ | Notes |
|---|---|---|---|
| Small Room (Repair/Patching) | £250 | £500 | Includes materials and half-day labour. |
| Standard Bedroom (Supply & Fit) | £800 | £1,400 | Based on a 12m² room with standard boards. |
| Whole 3-Bed House | £7,000 | £13,000 | Dependent on finish (Skim vs Jointing). |
| Labour Daily Rate (Per Person) | £180 | £280 | Rates are higher in London and the SE. |
| Specialist Boards (Acoustic/Fire) | £15 | £35 | Price per 2.4m x 1.2m sheet. |
Cost factors include the height of the ceilings (requiring scaffolding), the number of window reveals, and whether you require a full plaster skim finish rather than simple jointing.
How Long Does It Take?
- Small Patching/Repairs: 2–4 hours (excluding drying time for adhesive).
- Single Standard Bedroom: 1–2 days for boarding and jointing.
- Full House Renovation: 1–3 weeks depending on the size of the crew.
- Drying Time: 24–48 hours for adhesive dabs; 3–5 days for a plaster skim coat to dry before painting.
DIY or Professional?
While fixing a single board to a timber stud is a manageable DIY task, achieving a perfectly flat finish across a large wall is difficult. Professionals have the tools to ensure boards are perfectly plumb and the joints are invisible under a coat of paint.
Note: If your dry lining involves moving radiators or electrical sockets, you must use Gas Safe registered engineers and Part P qualified electricians to comply with UK law.
Choosing the Right Tradesperson
- Check Credentials: Look for City & Guilds qualifications in Plastering or CSCS cards for site-based experience.
- Ask for References: A good dry liner should be able to show photos of "naked" jointing before it was painted to prove their neatness.
- Waste Management: Confirm if they will remove offcuts, as plasterboard cannot be disposed of in general skips with other waste in the UK.
- Question 1: Do you recommend "Dot and Dab" or a metal track system for these specific walls?
- Question 2: Will you be using moisture-resistant boards in the kitchen/bathroom areas?
- Question 3: Does your quote include the cost of all beads, tapes, and jointing compounds?
UK Regulations
- Part L (Conservation of Fuel and Power): If you are stripping more than 50% of an external wall's surface, you may be legally required to upgrade the thermal insulation.
- Part B (Fire Safety): Specific fire-rated plasterboards are required for ceilings under floor joists and in garage-to-house partitions.
- Part E (Resistance to Sound): New builds and conversions must meet minimum decibel reduction standards between dwellings.
- Waste Disposal: Plasterboard must be separated from general waste at recycling centres due to the production of hydrogen sulphide gas when mixed with biodegradable waste.
Common Problems
- Nail/Screw Popping: Small bumps appearing on the surface caused by timber shrinkage or over-driven screws.
- Joint Cracking: Often caused by failing to use scrim tape or seasonal movement in new timber frames.
- "Hollow" Spots: In dot and dab installations, failing to apply a continuous bead of adhesive at the top and bottom can lead to fire spread risks and insect harbourage.
- Visible Seams: Usually the result of poor sanding or failing to feather out the jointing compound wide enough.
Frequently Asked Questions
Is dry lining better than wet plastering?
Dry lining is faster, creates less moisture in the building, and is easier to insulate. However, wet plastering (two-coat) is more durable and provides better airtightness in older properties.
Can I hang a TV on a dry-lined wall?
Yes, but you cannot use standard plugs. You must use specialist heavy-duty fixings (like Gripit or toggle bolts) that grip the board, or ideally, screw directly into the timber studs or masonry behind the board.
Why do I need to wait before painting new plasterboard?
If the boards have been skimmed, the plaster must turn from a dark brown to a uniform pale pink. If you paint too early, the moisture will trap and cause the paint to peel or bubble.
Does dry lining prevent damp?
No. Dry lining should never be used to hide rising or penetrating damp. The moisture will eventually rot the adhesive or timber studs and lead to mould growth behind the boards.
What is the difference between Tapered Edge and Square Edge boards?
Tapered edge boards have a slight dip at the sides to allow for tape and jointing. Square edge boards are generally used when the entire wall is going to be covered with a wet plaster skim coat.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
