Endura Flap Double Flap Wall Mount Pet Door
160
- Installs in walls 2" - 8" thick (up to 8 1/4" for Single Flap models and up to 8 3/4" for Double Flap Models)
- Durable and energy-efficient pet door for walls
- Insulating doggie door flap won't warp or crack in extreme weather
- Lined with heavy-duty magnets to resist winds up to 50mph
- High-quality aluminum frames and tunnel through the wall
- Four sizes that are designed taller and narrower for better pet access
- Strong and sturdy locking cover included to block access when needed and can be used on inside or outside frame




Product Details
- Keeps your home insulated in temperatures as low as -40℉
- Polyolefin polymer flap won't warp or crack in extreme heat up to 110℉
- Strong magnets line the flap on three sides for superior wind resistance
- Sturdy, long-lasting aluminum framing and tunnel
- Flexible flap swings on a rod at the top to avoid cracking and flexing
- Comes with a locking cover to block access when needed
- The most highly-engineered pet door flap ever made
- Keeps home insulated to lower your energy bill
- Taller, narrower flap allows big and small pets to share
Need help installing? Read our Dog Door for Walls Installation Guide.
Size Chart

Flap Size | Flap Dimension | Flap Style | Rough Cut Out | Outside Frame Dimension |
---|---|---|---|---|
Small | 6" w x 10" h | Double | 8 5/8" w x 15" h | 9 7/16" w x 16" h |
Medium | 8" w x 14" h | Double | 10 5/8" w x 19 1/8" h | 11 1/2" w x 20" h |
Large | 10" w x 18" h | Double | 12 5/8" w x 23 1/16" h | 13 9/16" w x 24" |
Extra Large | 12" w x 22" h | Double | 14 11/16" w x 27 1/8" h | 15 5/8" w x 28" h |
Single flap or double flap? This is the double flap version. The double flap will provide more insulation for your home, perfect for extreme climates. With a double-flap system, there is a flap on each side of the tunnel and dead air space in between to add extra insulation.
Note: Endura Flap pet doors are not recommended for use by kittens or very small dogs. Cats have been successful using Small; however, a few have found the Medium difficult to use. We would not recommend using the Large or Extra Large or any of the double flap versions for cats.
Installation Instructions
Parts
- 1 Installation Template
- 8 Hole Plugs
- 2 Flap Frames
- 1 Locking Cover
- 4 Tunnel Pieces
- 4 Threaded Rods
- 1 Tube of Silicone
- 1 Jigsaw Blade
Tools
- Pencil
- Level
- Drill with 3/8" (9,5 mm) drill bit
- Jigsaw or Reciprocating Saw
- Phillips head screwdriver
- Measuring Tape
- Rubber Mallet (or hammer and block of wood
- Safety gear, mask, gloves & clamps recommended
Please read instructions & notes thoroughly before installation.
Endura Flap Double Flap Wall Mount
Step 1 Measure your Pet

- Tape the provided template onto the wall in the desired location. Use a level to straighten the edges of the template.
Step 2 Check Wall For Wires/Pipes

- Mark the centers of the four holes using a pencil or nail. Remove the template
- Drill a small hole in the middle to peek into the wall to check for wires/pipes. If you’re clear, move on to the next step to drill through the marked holes.
Step 3 Drill Holes & Rough Cutout

- Drill the marked 3⁄8” (9,5 mm) holes through the interior and exterior walls
- Now, cut the opening out along the lines
Step 4 Check Weather-Stripping

Step 5 Assemble Tunnel



- Trim the four sheet metal tunnel pieces so that they are 1⁄4“ (0,6 cm) shorter than the thickness of the wall. We recommend using a jigsaw, but you could use other metal cutting tools instead
Step 6 Bend Tunnel Tabs

- Bend the frame attachment tabs on the two smaller tunnel pieces 90 degrees upward along the perforations
Step 7 Attach Small Tunnel Pieces

- Remove the two screws at the top and two screws at the bottom of the Interior Flap Frame. If you removed the cover already, the OUTSIDE frame screw holes have threaded nuts in them and you can see them shine.
- Attach the smaller tunnel pieces to the top and bottom of the Interior Flap Frame using the two screws
Step 8 Attach Larger Tunnel Pieces

- Slide the larger tunnel pieces onto the finger tabs on the small top and bottom tunnel pieces. Bend the finger tabs down as shown
Step 9 Apply Silicone to Tunnel

- Apply a bead of the provided silicone sealant along the inside of the tunnel where it mates with the interior frame, and along the tunnel seams
Step 10 Position Interior Frame & Tunnel

- Place the Interior Frame, with the tunnel attached, into the opening in the wall from the inside of the building. Place the Exterior Frame into the tunnel.
Step 11 Attach Exterior Frame



- Insert the threaded rods with the barrel nuts into the four holes in the Interior Frame (the frame that has a locking cover), and screw the threaded rods into the Exterior Frame finger tight
Step 12 Remove Excess Threaded Rod
- With the pet door leveled and all four threaded rods tightened, wiggle the end of the threaded rods that are protruding out of the exterior frame until the ends snap off
Step 13 Seal with Silicone

- Apply a bead of silicone sealant along the inside of the tunnel where it mates with the exterior frame
- In addition to sealing inside the tunnel of the pet door we recommend that you also seal the outside frame around the pet door
Step 14 Insert Hole Plugs

- Tap the hole plugs into the Interior and Exterior Frames
Special Wall Situations
If your wall is over 8” (20,3 cm) thickness,the included tunnel will not be long enough. Your contractor can install the pet door in thicker walls by fabricating a custom tunnel. This can be done by using plywood, sheet metal, brick, or stone to line the cut out. One frame would be attached to the inside of the house and one frame to the outside. The provided template + instructions might not be accurate in a custom installation. Different hardware* will be required depending on what you are using for the tunnel and how you are mounting the frames to the wall. In all cases it is extremely important to make sure that the tunnel is sealed with silicone or caulking to prevent any damage from water leaking into the wall.
Wall Siding: You can choose to place the pet door on top of the siding. If you choose this option then you will need to make sure to take care of completely caulking and sealing any gaps that you have to prevent water damage to the wall.
You can also recess the pet door frame into the siding. In this case you would make the recommended rough opening according to the template. Then on the exterior you would cut away the siding only to frame the outside dimension of the pet door. Also be sure to properly caulk and seal around the frame. Some people choose to build a frame to surround the pet door, if you do this, you’ll have to take the same precautions with sealing the wall to prevent water damage.
Alternative Rough Cut Method
This method can be easier in some cases than trying to go through both walls with one pass.
- Step 1: Drill through the interior wall and draw lines connecting the outside part of the holes.
- Step 2: Use a hand saw or reciprocating saw to cut out the inside sheet rock along the drawn line.
- Step 3: Remove any insulation to expose the back of the exterior wall. Measuring very carefully and making sure all is level drill holes from the inside of exterior wall to the outside.
- Step 4: Tape off the inside opening with a trash bag. This will prevent the dust and debris from going all over and makes clean up much easier.
- Step 5: Make a mark from the inner side of the drilled holes on the exterior wall. It is a good idea to measure and level your outline from the outside, to ensure your hole will be the correct size.
- Step 6: Use the pilot holes and a circular saw (use a concrete blade if you have concrete or stucco exterior) to cut out the exterior. Place a piece of cardboard under the saw to prevent it from damaging the exterior.
- Step 7: Finish the opening with a reciprocating saw and if possible have a spotter inside.
Videos
Endura Flap Dog Door for Walls Installation Video
Alternate Installation Video
Endura Flap High-Quality Design
Endura Flap Impact Test
Leaf Blower Test
Variable Magnetic Resistance
How to Remove Side Magnets for Easier Use
FAQ
Can a large dog and a cat use the same double flap Endura Flap Dog Doors for Walls? We recommend cats use the small flap size since the larger flaps might be difficult for them to push through. However, if you have cats and dogs sharing a Endura Flap wall mount pet door, you can decrease the magnetic resistance of the threshold on large and extra-large sizes making it easier for a cat to use. For small or medium pet doors you can offset the magnets slightly which can also decrease the magnetic strength. |
How do I know what flap size will fit my dog? When installing the Endura Flap wall mount doggie door you want it to clear the top of your dog's back by at least 1". You also want the step over to be comfortable, no more than 1/3 your pet's shoulder height. Lastly, you want the width to allow your pet to go through without touching the sides, so about 1" wider than them. |
Will this work for walls thicker than 8"? For walls thicker than 8", you can build your own tunnel out of wood or sheet metal. The Endura Flap is the best exterior dog door for walls of varying sizes. |
Is the flap flexible? Seems like it would trap a dog if it backed up. The Endura Flap is slightly more rigid than other economy-style flaps, but it is a safe, soft, flexible flap. |
Is the flap loud when the dog goes in or out? When the flap gets to its resting place there is a snapping sound when the magnets employ. This sound lets you know the door is doing its job sealing out the elements and keeping your heated or cooled air inside. |
What side does the locking cover slide in? All locking covers slide in from the top. If you purchase a double flap model, the locking cover can be used on the inside or outside the frame. If you purchase a single flap, the locking cover is on the interior frame (the side closest to the inside of your home). |
Are in wall pet door replacement flaps available? Yes, we carry Endura Pet Door Replacement Flaps. They will work for all Endura Flap Pet Door models (wall mount, doggy door mount, kennel doors, window sashes, and sliding glass door patio pet doors). |
I have a dog that I want to let out, but I want to prevent our cats from using it. Can the flap on the Endura wall mount pet door be weighted to keep them from using it? You can increase the magnetic strength of the in wall dog door by purchasing additional magnets here. Some people have found success doing this and keeping their cats inside. |
What material is the Endura Dog Door for Walls’ tunnel made from? It is made of durable aluminum. |
Warranty
Endura Flap products have a lifetime warranty against defects in materials and workmanship under standard regular use. Damage caused by not using the product as intended, improper installation, and chewing is not covered under this warranty.Customer Reviews


Flap Size | Flap Dimension | Flap Style | Rough Cut Out | Outside Frame Dimension |
---|---|---|---|---|
Small | 6" w x 10" h | Double | 8 5/8" w x 15" h | 9 7/16" w x 16" h |
Medium | 8" w x 14" h | Double | 10 5/8" w x 19 1/8" h | 11 1/2" w x 20" h |
Large | 10" w x 18" h | Double | 12 5/8" w x 23 1/16" h | 13 9/16" w x 24" |
Extra Large | 12" w x 22" h | Double | 14 11/16" w x 27 1/8" h | 15 5/8" w x 28" h |
Single flap or double flap? This is the double flap version. The double flap will provide more insulation for your home, perfect for extreme climates. With a double-flap system, there is a flap on each side of the tunnel and dead air space in between to add extra insulation.
Note: Endura Flap pet doors are not recommended for use by kittens or very small dogs. Cats have been successful using Small; however, a few have found the Medium difficult to use. We would not recommend using the Large or Extra Large or any of the double flap versions for cats.
Installation Instructions
Parts
- 1 Installation Template
- 8 Hole Plugs
- 2 Flap Frames
- 1 Locking Cover
- 4 Tunnel Pieces
- 4 Threaded Rods
- 1 Tube of Silicone
- 1 Jigsaw Blade
Tools
- Pencil
- Level
- Drill with 3/8" (9,5 mm) drill bit
- Jigsaw or Reciprocating Saw
- Phillips head screwdriver
- Measuring Tape
- Rubber Mallet (or hammer and block of wood
- Safety gear, mask, gloves & clamps recommended
Please read instructions & notes thoroughly before installation.
Endura Flap Double Flap Wall Mount
Step 1 Measure your Pet

- Tape the provided template onto the wall in the desired location. Use a level to straighten the edges of the template.
Step 2 Check Wall For Wires/Pipes

- Mark the centers of the four holes using a pencil or nail. Remove the template
- Drill a small hole in the middle to peek into the wall to check for wires/pipes. If you’re clear, move on to the next step to drill through the marked holes.
Step 3 Drill Holes & Rough Cutout

- Drill the marked 3⁄8” (9,5 mm) holes through the interior and exterior walls
- Now, cut the opening out along the lines
Step 4 Check Weather-Stripping

Step 5 Assemble Tunnel



- Trim the four sheet metal tunnel pieces so that they are 1⁄4“ (0,6 cm) shorter than the thickness of the wall. We recommend using a jigsaw, but you could use other metal cutting tools instead
Step 6 Bend Tunnel Tabs

- Bend the frame attachment tabs on the two smaller tunnel pieces 90 degrees upward along the perforations
Step 7 Attach Small Tunnel Pieces

- Remove the two screws at the top and two screws at the bottom of the Interior Flap Frame. If you removed the cover already, the OUTSIDE frame screw holes have threaded nuts in them and you can see them shine.
- Attach the smaller tunnel pieces to the top and bottom of the Interior Flap Frame using the two screws
Step 8 Attach Larger Tunnel Pieces

- Slide the larger tunnel pieces onto the finger tabs on the small top and bottom tunnel pieces. Bend the finger tabs down as shown
Step 9 Apply Silicone to Tunnel

- Apply a bead of the provided silicone sealant along the inside of the tunnel where it mates with the interior frame, and along the tunnel seams
Step 10 Position Interior Frame & Tunnel

- Place the Interior Frame, with the tunnel attached, into the opening in the wall from the inside of the building. Place the Exterior Frame into the tunnel.
Step 11 Attach Exterior Frame



- Insert the threaded rods with the barrel nuts into the four holes in the Interior Frame (the frame that has a locking cover), and screw the threaded rods into the Exterior Frame finger tight
Step 12 Remove Excess Threaded Rod
- With the pet door leveled and all four threaded rods tightened, wiggle the end of the threaded rods that are protruding out of the exterior frame until the ends snap off
Step 13 Seal with Silicone

- Apply a bead of silicone sealant along the inside of the tunnel where it mates with the exterior frame
- In addition to sealing inside the tunnel of the pet door we recommend that you also seal the outside frame around the pet door
Step 14 Insert Hole Plugs

- Tap the hole plugs into the Interior and Exterior Frames
Special Wall Situations
If your wall is over 8” (20,3 cm) thickness,the included tunnel will not be long enough. Your contractor can install the pet door in thicker walls by fabricating a custom tunnel. This can be done by using plywood, sheet metal, brick, or stone to line the cut out. One frame would be attached to the inside of the house and one frame to the outside. The provided template + instructions might not be accurate in a custom installation. Different hardware* will be required depending on what you are using for the tunnel and how you are mounting the frames to the wall. In all cases it is extremely important to make sure that the tunnel is sealed with silicone or caulking to prevent any damage from water leaking into the wall.
Wall Siding: You can choose to place the pet door on top of the siding. If you choose this option then you will need to make sure to take care of completely caulking and sealing any gaps that you have to prevent water damage to the wall.
You can also recess the pet door frame into the siding. In this case you would make the recommended rough opening according to the template. Then on the exterior you would cut away the siding only to frame the outside dimension of the pet door. Also be sure to properly caulk and seal around the frame. Some people choose to build a frame to surround the pet door, if you do this, you’ll have to take the same precautions with sealing the wall to prevent water damage.
Alternative Rough Cut Method
This method can be easier in some cases than trying to go through both walls with one pass.
- Step 1: Drill through the interior wall and draw lines connecting the outside part of the holes.
- Step 2: Use a hand saw or reciprocating saw to cut out the inside sheet rock along the drawn line.
- Step 3: Remove any insulation to expose the back of the exterior wall. Measuring very carefully and making sure all is level drill holes from the inside of exterior wall to the outside.
- Step 4: Tape off the inside opening with a trash bag. This will prevent the dust and debris from going all over and makes clean up much easier.
- Step 5: Make a mark from the inner side of the drilled holes on the exterior wall. It is a good idea to measure and level your outline from the outside, to ensure your hole will be the correct size.
- Step 6: Use the pilot holes and a circular saw (use a concrete blade if you have concrete or stucco exterior) to cut out the exterior. Place a piece of cardboard under the saw to prevent it from damaging the exterior.
- Step 7: Finish the opening with a reciprocating saw and if possible have a spotter inside.
Videos
Endura Flap Dog Door for Walls Installation Video
Alternate Installation Video
Endura Flap High-Quality Design
Endura Flap Impact Test
Leaf Blower Test
Variable Magnetic Resistance
How to Remove Side Magnets for Easier Use
FAQ
Can a large dog and a cat use the same double flap Endura Flap Dog Doors for Walls? We recommend cats use the small flap size since the larger flaps might be difficult for them to push through. However, if you have cats and dogs sharing a Endura Flap wall mount pet door, you can decrease the magnetic resistance of the threshold on large and extra-large sizes making it easier for a cat to use. For small or medium pet doors you can offset the magnets slightly which can also decrease the magnetic strength. |
How do I know what flap size will fit my dog? When installing the Endura Flap wall mount doggie door you want it to clear the top of your dog's back by at least 1". You also want the step over to be comfortable, no more than 1/3 your pet's shoulder height. Lastly, you want the width to allow your pet to go through without touching the sides, so about 1" wider than them. |
Will this work for walls thicker than 8"? For walls thicker than 8", you can build your own tunnel out of wood or sheet metal. The Endura Flap is the best exterior dog door for walls of varying sizes. |
Is the flap flexible? Seems like it would trap a dog if it backed up. The Endura Flap is slightly more rigid than other economy-style flaps, but it is a safe, soft, flexible flap. |
Is the flap loud when the dog goes in or out? When the flap gets to its resting place there is a snapping sound when the magnets employ. This sound lets you know the door is doing its job sealing out the elements and keeping your heated or cooled air inside. |
What side does the locking cover slide in? All locking covers slide in from the top. If you purchase a double flap model, the locking cover can be used on the inside or outside the frame. If you purchase a single flap, the locking cover is on the interior frame (the side closest to the inside of your home). |
Are in wall pet door replacement flaps available? Yes, we carry Endura Pet Door Replacement Flaps. They will work for all Endura Flap Pet Door models (wall mount, doggy door mount, kennel doors, window sashes, and sliding glass door patio pet doors). |
I have a dog that I want to let out, but I want to prevent our cats from using it. Can the flap on the Endura wall mount pet door be weighted to keep them from using it? You can increase the magnetic strength of the in wall dog door by purchasing additional magnets here. Some people have found success doing this and keeping their cats inside. |
What material is the Endura Dog Door for Walls’ tunnel made from? It is made of durable aluminum. |