Section 9.1.1

Dry Lining

Dry lining shall provide an adequate substrate for the decorative finish. Dry lining shall be installed in accordance with British Gypsum White Book and NHBC Standards.

  • Fixing plasterboards with 36mm plaster screws at 300mm centres for walls and 230mm for ceiling.

  • Fixings should be 10mm in from the edge of plasterboard.

  • Ensure screws do not penetrate plasterboard paper.

  • 12.5mm plasterboard require 3 rows of dab at 300mm centres.

  • Dab applied at the ceiling area need to be 100mm down from the ceiling.

  • Continuous dab is required to perimeters and corners.

  • Ribboned dab is required around reveals.

  • Around doors, straight joints following jamb must be avoided.

  • Penetration through the plasterboards such as pipes and electrical back boxes should be measured and cut neatly and squarely to avoid patching.

  • Plasterboard should run behind stair strings by around 25mm to reduce shrinkage cracks in this area.

  • Ensure areas where finishing and decorating can be difficult such as at newel post returns are detailed neatly.

  • Protect installed furniture such as shower trays and window boards prior to dry lining works being undertaken.

  • Moisture resistant board to be used in wet room areas.

  • Tile backing boards should be used in showers.

  • Ensure the correct plasterboard is used in the correct areas

  • White – standard plasterboard

  • Green – moisture plasterboard

  • Yellow – tile backing plasterboard

  • Blue – sound plasterboard

  • Pink – fire plasterboard