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Watertight Expansion Joint Covers

14 products 10–375mm gap range $–$$–$$$ price range
filter showing 14 of 14 products
load type
movement
surface
fixing
watertight
budget
economy
genb
GENB
gap range
10 – 100 mm
movement
±50%
mounting
recessed
fixing
no visible fixings
load
heavy vehicle
waterproof
yes
best for: exterior parking structures, multi-level car parks, stadiums, emergency and service vehicle areas and pedestrian bridges needing a watertight seal.
$ economy
view →
economy
genfoam
GENFOAM
gap range
30 – 280 mm
movement
±50%
mounting
recessed
fixing
no visible fixings
waterproof
yes
best for: basements, below-grade structures, car parks, tunnels.
$ economy
view →
standard
genfoam-a
GENFOAM-A
gap range
48 – 280 mm
movement
±50%
mounting
recessed
fixing
no visible fixings
load
heavy vehicle
waterproof
yes
best for: parking decks, stadium concourses, seismic separations, bridge connectors and retrofit of leaking or failed joints.
$$ standard
view →
standard
genfoam-s
GENFOAM-S
gap range
25 – 200 mm
movement
±50%
mounting
recessed
fixing
no visible fixings
waterproof
yes
best for: horizontal expansion joints in bridges, parking structures, highways and below-grade connections, including seismic, large-gap and retrofit joints.
$$ standard
view →
economy
gna
GNA
gap range
10 – 60 mm
movement
±25%
mounting
recessed
fixing
no visible fixings
load
light vehicle
waterproof
yes
best for: exterior areas with heavy pedestrian and light vehicular traffic, weather-critical joints, and joints with bends or gradients.
$ economy
view →
premium
r2001
R2001
gap range
38 – 188 mm
movement
±100%
mounting
surface mount
fixing
visible screws
waterproof
yes
best for: roof areas with less foot traffic and transitions to exterior wall joint covers, where seismic or multi-directional movement must be accommodated.
$$$ premium
view →
premium
r2003
R2003
gap range
25 – 375 mm
movement
±50%
mounting
recessed
fixing
visible screws
waterproof
yes
best for: flat roofs, parapets, and rooftop applications requiring weatherproof expansion joint coverage.
$$$ premium
view →
premium
wtz-1700
WTZ-1700
gap range
25 – 85 mm
movement
±50%
mounting
recessed
fixing
visible screws
load
heavy vehicle
waterproof
yes
best for: wet areas, car parks, external walkways, and commercial floors.
$$$ premium
view →
standard
wtz1685
WTZ1685
gap range
50 – 175 mm
movement
±50%
mounting
recessed
fixing
visible screws
load
heavy vehicle
waterproof
yes
best for: podiums, service areas, heavy load bearing driveways, landscapes, open-to-sky and other exterior areas with high water usage and heavy traffic.
standard
view →
premium
wtz1800
WTZ1800
gap range
50 – 150 mm
movement
±50%
mounting
recessed
fixing
visible screws
load
light vehicle
waterproof
yes
best for: exterior floors with high water usage, such as landscaped areas, podiums and parking areas with heavy-duty traffic.
$$$ premium
view →
standard
wtz4100
WTZ4100
gap range
100 – 300 mm
movement
±50%
mounting
recessed
fixing
visible screws
load
light vehicle
waterproof
yes
best for: back-of-house service areas, heavy load bearing driveways, and interior or exterior areas expecting multi-directional or seismic movement with high water usage.
standard
view →
standard
wtz5000
WTZ5000
gap range
100 – 300 mm
movement
±50%
mounting
recessed
waterproof
yes
best for: hospitality, retail, commercial and similar front-of-house applications where aesthetics matter and multi-directional or seismic movement is expected.
standard
view →
standard
wtz5200
WTZ5200
gap range
100 – 300 mm
movement
±50%
mounting
recessed
load
light vehicle
waterproof
yes
best for: hospitality, retail, commercial and similar applications where aesthetics play an important role and multi-directional or seismic movement is expected.
standard
view →
standard
wtz5500
WTZ5500
gap range
100 – 300 mm
movement
±50%
mounting
recessed
load
light vehicle
waterproof
yes
best for: front-of-house areas with visible tile or carpet finish - hospitality, retail and commercial projects where aesthetics play an important role and seismic movement is expected.
standard
view →

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Watertight expansion joint covers for roofs, podiums and wet areas

Where an expansion joint crosses a roof, podium deck, car park or wet area, the cover must seal as well as move. The Genotek watertight range includes 14 systems, all watertight, covering thermal, seismic and settlement movement in surface-mount and recess-mount configurations for concrete and paver finishes.

A failed joint seal is one of the most common sources of water damage in podium and basement construction - and one of the most expensive to re-open. Specifying a purpose-made watertight joint system at design stage costs a fraction of remedial waterproofing. Genotek supplies watertight covers with compatible corner pieces, transitions and end dams so the seal line stays continuous. Send us your deck layout and we will mark up the joint runs and junction details.

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