Multiply glazed window and door assemblies with screened breathi
Muntin
Panel wall construction having airtight joint and method of form
Porthole arrangement
Prefabricated aeration block for silo bases
Separation means for glass block wall
Shingle or shake panel
Simulated glass-block structure
Solar radiation and glare screen and method of making same
Spacer for glass blocks
Spacer member for construction elements
Spacers for block constructions to maintain the alignment thereo
Structural frame - window pane assembly
Top vented insulating structure
Translucent block assemblies
Translucent construction block assembly
Universal deck
Vented insulation system for existing structure
Vented roof construction
Ventilated plastic blocks with film laminate