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The Best Pet Doors by Design

MaxSeal® Pet Door Installation Guide

Installing Pet Door in Wall with Aluminum or Vinyl Siding

The MaxSeal® wall mounted pet doors are ideal for installation through any type of wall. The self-framing tunnel is made from one solid piece of aluminum. There are no seams for moisture seepage and the inherent strength allows for minimal framing in the wall itself. (Other wall mounted pet doors require self framing of the tunnel opening to help support tunnel kits).

Tools & Supplies Needed:
  • Hand Saw or Electric Saw
  • Straight Edge
  • Tape Measure
  • Tin Snips
  • Drill
  • Screwdriver
  • Caulking Gun
  • (1) Tube Exterior Vinyl Caulking
  • (1) Tube Silicone Caulking
  • Scissors or Razor Knife

For purposes of illustration, these images represent the installation process for typical aluminum and vinyl sided homes.


Cut Rough Opening

This first photo is of the rough opening made in the wall.

Note: Opening is elevated such that the finished deck will be at the same level as the inside of the house.


Insert Tunnel Section into Wall

This pet door comes in two sections. The self-framing tunnel comes riveted to to the interior frame of the pet door. The exterior frame will sleeve into the tunnel once the tunnel is trimmed. After the hole in the wall is done, you push the tunnel through from the inside.

This frame shows the view from the inside. The Insulated Security panel is removed from the pet door and rests against the wall to the right. The Security panel in this example slides in from the right side, and allowing you to securely lock off the pet opening.


Trim Tunnel to Wall Thickness

This is an outside view after the tunnel has been pushed through the opening, prior to any trimming.

The tunnel comes ready for any wall up to 10" thick. It is meant to be trimmed down with a pair of tin snips to the proper depth. This way, no matter how thick your wall is, you still have the strongest possible tunnel, one piece metal, one seam on top. At this point it is easy to mark on the tunnel where to trim the tunnel, the remove again from the opening and trim off excess.


This view shows the pet door with the tunnel trimmed and now ready for the exterior frame insertion.


Caulk Around Trimmed Tunnel

It is advised to caulk around the frame at this point to further seal the tunnel.


Slide Exterior Frame into Place

The exterior sleeves into the tunnel from the outside. This view is after the exterior frame section of the pet door is sleeved into the tunnel from the outside. Because the exterior frame slides into the interior of the cut tunnel, there are no jagged or sharp edges exposed.


Drill Holes

The next step is to fasten the exterior portion of the pet door. We included all needed screws and the proper drill bit for the proper sized drill bit. Drill through the pilot holes completely through the tunnel portion, there is a pilot hole centered on each side and top and bottom of the exterior frame.

Drill Holes with drill bit provided.


Screw Into Place

Secure with screws provided.


Screws are in place.


Caulk Around Outside Frame

Next, apply a bead of caulk around the outside frame.


Install Tunnel Carpet

The last step is to line the tunnel with the beige carpet provided to finish it off nicely.

Note: We do not include any adhesive as certain customers may have allergic reactions to different adhesive compounds, however, most will use a simple silicone adhesive so that you can remove, wash or change the tunnel carpet through the years.

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