Building Construction Handbook, Eighth Edition

Jointing ~ boards should not directly abut, instead a gap of 3 to

5 mm should be provided between adjacent boards for plaster filling

and joint reinforcement tape. The illustrations show various

applications.

screw or

nail fixing

gap filler

tapered

edge

board

finish

tape

finish

joint filler

joint filler

plaster skim

finish

Standard Joint Cut Edge

Internal Corner External Corner

filler

finish

filler

filler

finish finish

tape

50mm wide

joint tape

steel reinforced

corner tape

Note: Paper jointing tape is generally specified for dry lining

tapered edge boards. External corners are reinforced and

strengthened with a particular type of tape that has two strips of

thin steel attached.

Plasterboard Jointing