131133 ⎘
Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases ; Building elements specially designed therefor, e.g. shaped bricks or sets thereof Exterior cladding, e.g. of chimney parts extending above the roof; Rain covers for chimney tops without draught-inducing aspects
VENT PIPE CAP FOR METAL ROOF
#2Roof vent with contoured foot
#3PASS-THROUGH DEVICE FOR A CHIMNEY
#4Roof vent with contoured foot
#5Rooftop Exhaust System for Exhausting Air from a Building
#6Vent assembly
#7Roof pipe flashing with side air attic vent
#8CURB FOR USE WITH ROOF FLASHING
#9Drain and vent cover
#10Portable chimney system
#11Exhaust gas panel vent assembly for roof-mounted photovoltaic systems
#12Chimney cap apparatus and method
#13Apparatus and method for installing functional non-architectural elements
#14Vent camouflage wrap