Sliding glass door doggie door installation — Thornton, CO
Last updated: September 24, 2026
What affects the price
The final price for installing a sliding door depends on a few key things. First, consider the material; vinyl is generally more budget-friendly, while wood or aluminum frames usually add to the cost. The size of the opening and whether you need custom sizing will also shift the bottom line. If the current frame is damaged or needs structural repairs before the new door fits, that requires extra labor. Finally, energy-efficient glass packages or specialty hardware like locks and handles impact the total investment. Exact pricing confirmed free on the call.
About this service
Similar to standard pet door services, this focuses on adding a durable, weather-sealed opening for your dog. You should request this if your current sliding door lacks a pet entry point and you want a professional, secure installation that maintains energy efficiency. Exact pricing confirmed free on the call.
Frequently asked in Thornton
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Also serving nearby: Westminster · Denver · Arvada · Lakewood · Boulder
More on this: ENERGY STAR doors — choosing efficient doors.
Service area details
Serving all of Thornton — population 144,922; about 3,970 residents per square mile across 36.5 sq mi. ZIP codes covered include 80241.
Neighborhoods served in Thornton: North Thornton, South Thornton, Eastlake, Thornton Creek, Cherry Creek — and every surrounding area.
Areas we serve
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