Baby Multi-AgeResold Baby12-24 Month Baby3-6 Month Baby6-12 Month BabyBaby GatesBaby New Arrivals in Health & SafetyBaby Over $50Baby ProofingBaby Proofing for Crawling BabyBaby Proofing for Walking BabyBaby Proofing ProductsBaby Summer TravelBaby Under $50Baby Under $75Babyproofing For Living RoomBabyproofing For NurseryExtra Wide Baby GatesRegalo Baby GatesSafety 1stSummer InfantTop of stairs baby gates
Sort by|
Baby Multi-AgeResold Baby12-24 Month Baby3-6 Month Baby6-12 Month BabyBaby GatesBaby New Arrivals in Health & SafetyBaby Over $50Baby ProofingBaby Proofing for Crawling BabyBaby Proofing for Walking BabyBaby Proofing ProductsBaby Summer TravelBaby Under $50Baby Under $75Babyproofing For Living RoomBabyproofing For NurseryExtra Wide Baby GatesRegalo Baby GatesSafety 1stSummer InfantTop of stairs baby gates
Gate Extension(76)
Uses item details. Price when purchased online
Perma Child Safety Safe Step Rental Safe Baby Gate, 38" to 45", White From $54.99
Sponsored
From$5499
Perma Child Safety Safe Step Rental Safe Baby Gate, 38" to 45", White
544.6 out of 5 Stars. 54 reviews
Save with
Lumizone Extra Tall Pet Gate Extension kit 55.12" High Pressure Mounted 8.27" Wide 1.37" Gap (8.27", Cream White) From $64.90
Sponsored
From$6490
Lumizone Extra Tall Pet Gate Extension kit 55.12" High Pressure Mounted 8.27" Wide 1.37" Gap (8.27", Cream White)
1574.3 out of 5 Stars. 157 reviews
Deal Pet Gate, 29.5''-43.7'' Dog Gates with Cat Door for Stairs & Doorways, Gate for Ages 6 to 36 Months, White From $49.99 Was $85.99
Sponsored
From$4999
$85.99
Pet Gate, 29.5''-43.7'' Dog Gates with Cat Door for Stairs & Doorways, Gate for Ages 6 to 36 Months, White
Save with
Deal Vomeast 36in Extra Tall Baby Safety Gate,29.93- 48.8in Extra Wide Metal Dog Gates for Stair and Doorways,Pressure Mounted,White From $61.99
Sponsored
From$6199
Vomeast 36in Extra Tall Baby Safety Gate,29.93- 48.8in Extra Wide Metal Dog Gates for Stair and Doorways,Pressure Mounted,White
1434.4 out of 5 Stars. 143 reviews
Save with
Best seller Wall Nanny Extender - 4 Inch Baby Gate Extension - Extends Gates 4 Inches + Protects Walls + Helps Stabilize Gate - 4 Pack Wall Protector - Works on Pet & Dog Gates $17.95
$1795
current price $17.95Wall Nanny Extender - 4 Inch Baby Gate Extension - Extends Gates 4 Inches + Protects Walls + Helps Stabilize Gate - 4 Pack Wall Protector - Works on Pet & Dog Gates
364.4 out of 5 Stars. 36 reviews
Save with
Perma Child Safety White 8" Pressure Mounted Baby Gate Extension $25.00
$2500
current price $25.00Perma Child Safety White 8" Pressure Mounted Baby Gate Extension
15 out of 5 Stars. 1 reviews
Save with
Perma Child Safety White 12" Pressure Mounted Baby Gate Extension $25.15
$2515
current price $25.15Perma Child Safety White 12" Pressure Mounted Baby Gate Extension
43.8 out of 5 Stars. 4 reviews
Save with
KFFKFF Safety Gate Extensions & Kits 36.0260 in (adjustable width) 2.24 in 65 in Black $84.99 Was $106.99
Now$8499
current price Now $84.99, Was $106.99$106.99
KFFKFF Safety Gate Extensions & Kits 36.0260 in (adjustable width) 2.24 in 65 in Black
Cardinal Gates Extra Tall Premium Pressure Pet Gate Large 11" Width Extension - White
Cardinal Gates Extra Tall Premium Pressure Pet Gate Large 11" Width Extension - White
15 out of 5 Stars. 1 reviews
Cardinal Gates 10.5" Safety Gate Extension- Black
Cardinal Gates 10.5" Safety Gate Extension- Black
Deal DOMIPET 29.5-51.6'' Extra Wide Pet Gate, 30''H Safety Doorway Gates Pressure Mounted,White From $57.99 Was $75.99
Sponsored
From$5799
$75.99
DOMIPET 29.5-51.6'' Extra Wide Pet Gate, 30''H Safety Doorway Gates Pressure Mounted,White
3244.5 out of 5 Stars. 324 reviews
Save with
KFFKFF Safety Gate Extensions & Kits 36.02–60 in (adjustable width) × 2.24 in × 65 in Black $84.99 Was $106.99
Sponsored
Now$8499
current price Now $84.99, Was $106.99$106.99
KFFKFF Safety Gate Extensions & Kits 36.02–60 in (adjustable width) × 2.24 in × 65 in Black
Cardinal Gates 21.75" Safety Gate Extension- Brown $39.95
$3995
current price $39.95Cardinal Gates 21.75" Safety Gate Extension- Brown
Summer Metal Expansion 6 Foot Wide Extra Tall Walk-Thru Gate $99.99
$9999
current price $99.99Summer Metal Expansion 6 Foot Wide Extra Tall Walk-Thru Gate
1314.1 out of 5 Stars. 131 reviews
Cardinal Gates Extra Tall Premium Pressure Pet Gate Medium 5.5" Width Extension - White
2 options
Available in additional 2 optionsCardinal Gates Extra Tall Premium Pressure Pet Gate Medium 5.5" Width Extension - White
Dreambaby Denver Adapta Gate Extension- Mesh, Grey $44.99
$4499
current price $44.99Dreambaby Denver Adapta Gate Extension- Mesh, Grey
Cardinal Gates 10.5" Safety Gate Extension - White $34.95
$3495
current price $34.95Cardinal Gates 10.5" Safety Gate Extension - White
Cardinal Gates 21.75'' Gate Extension, Color White
Cardinal Gates 21.75'' Gate Extension, Color White
12 out of 5 Stars. 1 reviews
Kidco 5.5" Extension Kit - White (use with gates G1000, G1030 or G1100)
Kidco 5.5" Extension Kit - White (use with gates G1000, G1030 or G1100)
14 out of 5 Stars. 1 reviews
Best seller Regalo Extra Wide 58” Arched Décor Baby Safety Gate with Extensions, Pressure-Mounted for Doorways & Bottom of Stairs, Dark Bronze Was $59.97
Regalo Extra Wide 58” Arched Décor Baby Safety Gate with Extensions, Pressure-Mounted for Doorways & Bottom of Stairs, Dark Bronze
Save with
Deal 29.5"-43.3" Caveen Extra Wide Safety Baby Gate for Stairs Doorways, Top of Stairs, Black From $49.99 Was $69.99
Sponsored
From$4999
$69.99
29.5"-43.3" Caveen Extra Wide Safety Baby Gate for Stairs Doorways, Top of Stairs, Black
2944.5 out of 5 Stars. 294 reviews
Save with
KFFKFF Privacy Slats with Bottom Lock, Dual-Wall Vertical Slats with Extensions for Chain-Link Enclosure, Dense HDPE Chain Link Inserts Perfectly Suited for 6' Tall Enclosure (Black) $66.99 $66.99/ca
Sponsored
$6699
current price $66.99$66.99/ca
KFFKFF Privacy Slats with Bottom Lock, Dual-Wall Vertical Slats with Extensions for Chain-Link Enclosure, Dense HDPE Chain Link Inserts Perfectly Suited for 6' Tall Enclosure (Black)
Dreambaby Royale Converta Gate 2 Panel Extension $69.99
$6999
current price $69.99Dreambaby Royale Converta Gate 2 Panel Extension
23.5 out of 5 Stars. 2 reviews
Comfy Cubs Baby Safety Gate - 3 Extensions 42"x1.9"x30", Adjustable Q195 Steel Gate (Black) From $69.99
From$6999
Comfy Cubs Baby Safety Gate - 3 Extensions 42"x1.9"x30", Adjustable Q195 Steel Gate (Black)
11 out of 5 Stars. 1 reviews
Save with
Cardinal Gates Extension BX1 10.5" Width Extension for MG15/SS30/SS30OD - Brown $34.95
$3495
current price $34.95Cardinal Gates Extension BX1 10.5" Width Extension for MG15/SS30/SS30OD - Brown
North States 6-Bar Extension for Extra-Wide Windsor Arch Petgate Matte Bronze 15" x 30" $53.63
$5363
current price $53.63North States 6-Bar Extension for Extra-Wide Windsor Arch Petgate Matte Bronze 15" x 30"
15 out of 5 Stars. 1 reviews
Cardinal Gates Duragate Safety Gate 12.75" Width Extension - Taupe
Cardinal Gates Duragate Safety Gate 12.75" Width Extension - Taupe
KFFKFF Adjustable Gate Building Kit, Compatible with 36 to 60 in Wide Openings, Suitable for 6 to 7 ft High Fences, Complete Gate Frame Kit with Latch, Lock, and Screws, Ideal for Wooden $84.99 Was $106.99
Now$8499
current price Now $84.99, Was $106.99$106.99
KFFKFF Adjustable Gate Building Kit, Compatible with 36 to 60 in Wide Openings, Suitable for 6 to 7 ft High Fences, Complete Gate Frame Kit with Latch, Lock, and Screws, Ideal for Wooden
Cardinal Gates 10.5" Safety Gate Extension - Brown $34.95
$3495
current price $34.95Cardinal Gates 10.5" Safety Gate Extension - Brown
allFENZ Walk Gate Kit, Black, 2-3/8" $15.58
$1558
current price $15.58allFENZ Walk Gate Kit, Black, 2-3/8"
15 out of 5 Stars. 1 reviews
Save with
Naipo Baby Safety Gate,29.93~40.55 inch Wide Walk Through Baby Gate Hardware/Pressure Mounting Kit,with 2 Extensions for Age 6 to 24 Months,White $57.98 Was $89.99
Sponsored
Now$5798
current price Now $57.98, Was $89.99$89.99
Naipo Baby Safety Gate,29.93~40.55 inch Wide Walk Through Baby Gate Hardware/Pressure Mounting Kit,with 2 Extensions for Age 6 to 24 Months,White
454.5 out of 5 Stars. 45 reviews
Save with
Regalo Extra Wide Walk-Through Baby Gate with Door, 29.5-38.5 in, White, Ages 6-24 Months $44.94
Sponsored
$4494
current price $44.94Regalo Extra Wide Walk-Through Baby Gate with Door, 29.5-38.5 in, White, Ages 6-24 Months
39984.3 out of 5 Stars. 3998 reviews
Save with
KFFKFF Gate Construction Set, Suitable for 60 to 96 in Broad Passages, Rises from 4 to 5 ft Tall Barrier, Modifiable Gate Construction Set, Sag-Resistant Complete Gate Frame Set with Latch Lock $76.99
$7699
current price $76.99KFFKFF Gate Construction Set, Suitable for 60 to 96 in Broad Passages, Rises from 4 to 5 ft Tall Barrier, Modifiable Gate Construction Set, Sag-Resistant Complete Gate Frame Set with Latch Lock
Save with
Naipo Baby Safety Gate,29.93~40.55 inch Wide Walk Through Baby Gate Hardware/Pressure Mounting Kit,with 2 Extensions for Age 6 to 24 Months,White $57.98 Was $89.99
Now$5798
current price Now $57.98, Was $89.99$89.99
Naipo Baby Safety Gate,29.93~40.55 inch Wide Walk Through Baby Gate Hardware/Pressure Mounting Kit,with 2 Extensions for Age 6 to 24 Months,White
454.5 out of 5 Stars. 45 reviews
Save with
Adjust-A-Gate Steel Frame Gate Kit, 36"-60" Wide Opening Up To 4' High (3 Pack) $302.99 Was $322.99
Now$30299
current price Now $302.99, Was $322.99$322.99
Adjust-A-Gate Steel Frame Gate Kit, 36"-60" Wide Opening Up To 4' High (3 Pack)
154.6 out of 5 Stars. 15 reviews
Save with
Universal Spring-Loaded Safety Swing Gate, 22" to 40"W Opening, Yellow $288.48
$28848
current price $288.48Universal Spring-Loaded Safety Swing Gate, 22" to 40"W Opening, Yellow
KFFKFF Privacy Slats with Bottom Lock, Dual-Wall Vertical Slats with Extensions for Chain-Link Enclosure, Dense HDPE Chain Link Inserts Perfectly Suited for 6' Tall Enclosure (Black) $66.99 $66.99/ca
$6699
current price $66.99$66.99/ca
KFFKFF Privacy Slats with Bottom Lock, Dual-Wall Vertical Slats with Extensions for Chain-Link Enclosure, Dense HDPE Chain Link Inserts Perfectly Suited for 6' Tall Enclosure (Black)
Deal Vomeast 36in Extra Tall Baby Safety Gate,29.93- 48.8in Extra Wide Metal Dog Gates for Stair and Doorways,Pressure Mounted,White
Vomeast 36in Extra Tall Baby Safety Gate,29.93- 48.8in Extra Wide Metal Dog Gates for Stair and Doorways,Pressure Mounted,White
1434.4 out of 5 Stars. 143 reviews
Save with
Open Box hauck Open N Stop Pressure Fit w/ 3.5" Extension Safety Gate, White $37.13
$3713
current price $37.13Open Box hauck Open N Stop Pressure Fit w/ 3.5" Extension Safety Gate, White
53.4 out of 5 Stars. 5 reviews
Save with
Deal 29.5"-43.3" Caveen Extra Wide Safety Baby Gate for Stairs Doorways, Top of Stairs, White Was $69.99
29.5"-43.3" Caveen Extra Wide Safety Baby Gate for Stairs Doorways, Top of Stairs, White
2944.5 out of 5 Stars. 294 reviews
Save with
Deal Baby Safety Gate, 36" Tall, 29.5-43.3" for Stairs and Doorway, Pet Gate for Ages 6 to 36 Months,Black
Baby Safety Gate, 36" Tall, 29.5-43.3" for Stairs and Doorway, Pet Gate for Ages 6 to 36 Months,Black
1324.7 out of 5 Stars. 132 reviews
Save with
Regalo Easy Step Extra Tall Walk-Through Baby Gate, 29.5-38.5 in, Pressure Mount with Hardware Mount Option, Fits Doorways & Hallways, Ages 6-24 Months From $49.98
2 options
Available in additional 2 optionsFrom$4998
Regalo Easy Step Extra Tall Walk-Through Baby Gate, 29.5-38.5 in, Pressure Mount with Hardware Mount Option, Fits Doorways & Hallways, Ages 6-24 Months
16624.3 out of 5 Stars. 1662 reviews
Save with
Regalo Easy Step 49-Inch Extra Wide Baby Safety Gate, White
Regalo Easy Step 49-Inch Extra Wide Baby Safety Gate, White
2904 out of 5 Stars. 290 reviews
Save with
Deal Pet Gate, 29.5''-43.7'' Dog Gates with Cat Door for Stairs & Doorways, Gate for Ages 6 to 36 Months, Black Was $85.99
Pet Gate, 29.5''-43.7'' Dog Gates with Cat Door for Stairs & Doorways, Gate for Ages 6 to 36 Months, Black
Save with
Deal Baby Safety Gate, Caveen Extra Tall 36'', 29.5-46'' Wide Baby Gate Stairway and Hallway, for Ages 6 to 36 Months, Black Was $79.99
Baby Safety Gate, Caveen Extra Tall 36'', 29.5-46'' Wide Baby Gate Stairway and Hallway, for Ages 6 to 36 Months, Black
1504.6 out of 5 Stars. 150 reviews
Save with
Magicorange Baby Safety Gate, Extra Tall 41 inch, Extra Wide 29.9" to 43.7" Pet Gate for Stairs and Doorway, No Drilling Pressure Mount Kit, White $99.99
$9999
current price $99.99Magicorange Baby Safety Gate, Extra Tall 41 inch, Extra Wide 29.9" to 43.7" Pet Gate for Stairs and Doorway, No Drilling Pressure Mount Kit, White
44.8 out of 5 Stars. 4 reviews
Save with
North States 3-in-1 Metal Superyard with Extension Kit $242.90 $242.90/cu ft
$24290
current price $242.90$242.90/cu ft
North States 3-in-1 Metal Superyard with Extension Kit
Save with
BabyDan FLEX
BabyDan FLEX
Save with
Regalo Home Accents Extra Tall Baby Gate, Extra Tall Gate $54.99
$5499
current price $54.99Regalo Home Accents Extra Tall Baby Gate, Extra Tall Gate
4334.5 out of 5 Stars. 433 reviews
Save with
Popular in Gate Extension
Related Products
Baby Proof Me Retractable Baby Gate, Extra Wide Mesh Child Safety Gate, 34" Tall x 71" Wide, White
Baby Proof Me Retractable Baby Gate, Extra Wide Mesh Child Safety Gate, 34" Tall x 71" Wide, White$49.94current price $49.94Xuniizn Dog Gate Indoor, Wide Baby Gates for Stairs, Retractable Baby Gates for Doorways, Large Baby Gates Extra Wide, Baby Stair Gate, Child Gate, Dog Gates for Doorways, Door Gate, Pet Gate, Black
Xuniizn Dog Gate Indoor, Wide Baby Gates for Stairs, Retractable Baby Gates for Doorways, Large Baby Gates Extra Wide, Baby Stair Gate, Child Gate, Dog Gates for Doorways, Door Gate, Pet Gate, Black$5.99current price $5.99BEBANG Retractable Baby Gate 71" Extra Wide, 2 Installation Modes, Retractable Dog Gate for Doorways Stairs Hallways Indoor and Outdoor, Black
BEBANG Retractable Baby Gate 71" Extra Wide, 2 Installation Modes, Retractable Dog Gate for Doorways Stairs Hallways Indoor and Outdoor, Black$39.99current price $39.99Retractable Baby Gate,HDJ 120 in. Wide x 34 in. Tall Baby Safety Gate for Stairs Doorways,Metal Dog Gate,Extra Wide,Black
Retractable Baby Gate,HDJ 120 in. Wide x 34 in. Tall Baby Safety Gate for Stairs Doorways,Metal Dog Gate,Extra Wide,Black$45.59current price $45.59Cardinal Gates Extra Tall Pressure Gate XTPPG - Black
Cardinal Gates Extra Tall Pressure Gate XTPPG - Black$89.95current price $89.95Adjstbl Sfety Gate,Sfty Yellw Pwder Coat 31TT69
Adjstbl Sfety Gate,Sfty Yellw Pwder Coat 31TT69$239.27current price $239.27Dkelincs 27"Tall Dog Gate for Doorways & Stairs, Walk-Through Arch Metal Pet Gates Adjustable Safety Gates Fits 28"-51"Wide Opening, White
Dkelincs 27"Tall Dog Gate for Doorways & Stairs, Walk-Through Arch Metal Pet Gates Adjustable Safety Gates Fits 28"-51"Wide Opening, White$47.32current price $47.32Retractable Baby Gate, HDJ 42in Extra Tall Baby Safety Gate, 71" Wide Baby Gate Dog Gate for Stair, Doorway,Metal Auto-Lock,Gray
Retractable Baby Gate, HDJ 42in Extra Tall Baby Safety Gate, 71" Wide Baby Gate Dog Gate for Stair, Doorway,Metal Auto-Lock,Gray$37.49current price $37.49HDJ 71in Retractable Baby Gate,34in Tall Mesh Baby Safety Gate for Stairs,Metal Auto-Lock Dog Gate,Extra Wide,Grey
HDJ 71in Retractable Baby Gate,34in Tall Mesh Baby Safety Gate for Stairs,Metal Auto-Lock Dog Gate,Extra Wide,Grey$32.99current price $32.99NiamVelo 27"Tall Dog Gate for Stairs and Doorways Walk-Through Pet Gate Indoor Safety Gate for Pets Adjustable Width 28"–51" （White）
NiamVelo 27"Tall Dog Gate for Stairs and Doorways Walk-Through Pet Gate Indoor Safety Gate for Pets Adjustable Width 28"–51" （White）$47.32current price $47.32Semiocthome Foldable Dog Gate Bamboo Extra Wide Pet Gate with 2 Metal Stand for Indoor,Natural,110"W
Semiocthome Foldable Dog Gate Bamboo Extra Wide Pet Gate with 2 Metal Stand for Indoor,Natural,110"W$110.99current price $110.99Clerance Under $1 PEONAVET Retractable Dog Gate，Mesh Baby Gate for Stair Doorways，43.3×28.4" Retractable Dog Fence for Indoor Outdoor
Clerance Under $1 PEONAVET Retractable Dog Gate，Mesh Baby Gate for Stair Doorways，43.3×28.4" Retractable Dog Fence for Indoor Outdoor$5.99current price $5.99