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  • Serving Denver Colorado & The Front Range Since 2009!

(720) 369-4090

CALL US ANYTIME!

Security Boss Dog Doors

Security Boss Dog Doors

We use only the best products in our dog door installations!

Through the Glass Dog Doors is a licensed distributor and installer of MaxSeal™ dog door products.

MaxSeal™ Pet Door Features

  • Nylon reinforced flaps for optimal strength
  • UV resistant flaps will not shrink, crack or yellow
  • Impact-resistant insulated security panels
  • Dead-bolt locking pin for maximum security
  • Weatherized flaps stay flexible in temps in excess of -20 degrees
  • Magnetic closure with steel alnico magnets
  • Insulating high-density brush pile seals
  • Perfect sealing flap every time!

A Simple 4 Step Process!

Step 1

Get An Estimate

To get started with an estimate give us a call or fill out our free estimate form and we will give you an estimate of how much your new in glass dog door or cat window will be.
Step 1

STEP 2

Measurements And Order

We will take accurate measurements to ensure that the dog door fits the style of your doors but still accommodates the size of your dog. We will then order the door that fits your specifications.
STEP 2

Step 3

Installation

We will then replace the glass with the custom made pane that contains the doggy door. You will keep your original frame as not to ruin the look of your doors.
Step 3

STEP 4

Check In

We will check in with you in a couple of weeks to make sure that everything is working properly.
STEP 4

In Glass Dog Door Installation For Any Type Of Glass Door!

We Will Beat Any Competitors Price

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