Concrete screed rails
Concrete vessel having wall apertures lined with tubular inserts
Construction apparatus and method
Construction block
Construction connectors incorporating hardware
Construction shims
Construction survey lath-stake base
Construction units for the erection of walls and method of utili
Control joint with tear strip
Coupling formation for the interfitting of structural elements
Deck anchor
Deck plank
Device in concrete structures
Door edge guard
Double-glazed window structure
Drywall bead accessory
Drywall board construction
Expandable base bearing pile and method of bearing pile installa
Explosion cover plate especially explosion hatch
Extendable wall sleeves