- break open
- break point
- breaking joint
- breaking plant
- breaking strength
- breast
- breast summer
- breast-wall
- breathing line
- breeze
- breezeway
- brick bed
- brick caisson
- brick header
- brick jointer
- brick pavement
- brick saw
- brick structures
- brick up
- brickaying tool
- brickmaker
- bridge
- bridge building
- bridge design
- bridge marker
- bridge position
- bridge reinforcement
- bridge steel
- bridge tie
- brigade
- buffer beam
- building art
- building basin
- building cardboard
- building core
- building design
- building laboratory
- building line
- building macrostructure
- building parameters
- building permit
- building preservation
- building products
- building regulation
- building sealant
- building side
- building space
- building stone
- building surveyor
- building technology
- building type
- building wall
- buildingline
- bulge
- bulk
- bulk lime
- bulk transportation
- bulkhead
- bull stretcher
- bulldog edition
- bulletproof jacket
- bullnose offset
- bumping collision
- bunched cables
- bunk house
- bunton
- buoyancy
- buoyant box
- burden
- burden charge
- buried abutment
- burlap
- burn
- burner
- burner mixer
- burning off
- burning ratio
- burning test
- burnish
- burnt gypsum
- burnt sienna
- burried channel
- burring reamer
- burrow
- bus
- bus controller
- bus grounding
- bus mounting
- bus park
- bus pocket
- bus support
- bus terminator
- busbar assembly
- busbar mounting
- bush
- bush cutter
- business
- business building
- brisance
- brise-soleil