ground floors

which timber is most suitable for floor joists

• pine

• spruce

• larch

• beech

herringbone strutting stops joists from

• twisting

• bending

• sagging

• creaking

the spec for timber joists would be found in

• building suppliers website

• OneFile data

• building schedule

• British standards

what is the area of a room measuring 5 x 4

the perimeter is ?

• diagonally to check for square

• the length of the room

• height x width

• the distance round the outside of a shape

where would you find upto date legislation on floors

• floor manual

• architects drawing

• summary of standards

• building regulations

40mm twist nails would be used for

• fixing joists to hangers

• fixing chipboard flooring down

• fixing plasterboard

• fixing coathooks

where is the best place to bore a hole in a joist

• the centre

• the middle

• the neutral axis

• as near as the top as practical

which one of these joists doesn't have to be thicker or doubled up when creating an opening in the floor ?

• trimmer

• trimmed

• trimming

• king stud

fitting a stair case will put an additional ____ on the supporting joists