Doors in Longmont

Local Service

Doors Services in Longmont, Colorado

Autotelic provides professional doors services throughout Longmont and the surrounding Boulder County area. Interior and exterior door supply and installation including hardware, casing, and weather-sealing. Whether you're in Longmont (north Boulder County) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.

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Door Work Across Residential and Commercial Projects

Door projects in the Denver metro range from a single interior slab swap to full exterior entry replacements, patio systems, and commercial openings with accessibility or fire-rating requirements. Typical work includes new installation of pre-hung or slab doors, frame-and-door replacement, exterior weather sealing, interior fit and hardware, specialty fire-rated assemblies, and repair of sticking, drafts, misalignment, noise, or security issues. Material and method choices should match climate exposure, energy goals, security needs, and any applicable Denver code or historic-district rules.

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Typical Scope of Work

Common project types include: - **New installation:** Pre-hung units (door already hinged in a frame) or slab-only doors set into new or existing openings, with measurement, framing adjustments, alignment, and sealing. - **Replacement:** Slab-only replacement when the frame is sound, or full pre-hung replacement when the frame, threshold, or weather barrier needs updating. - **Exterior doors:** Entry, French, sliding patio, and storm doors, with attention to framing, insulation, weatherstripping, and sealing for Denver temperature swings. - **Interior doors:** Bedroom, closet, and room doors focused on fit, swing, clearance, and hardware placement. - **Commercial doors:** Openings that may need egress planning, accessibility clearances, or fire ratings. - **Specialty work:** Fire-rated doors (often garage-to-house, utility, multi-family, and commercial separations), custom sizes/styles, and oversized openings. - **Repairs:** Correction of poor alignment, sticking, drafts, operational noise, and hardware or security concerns caused by wear or prior installation issues.

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Common Materials and Installation Methods

Material selection depends on exposure, maintenance preference, aesthetics, and performance goals: - **Wood:** Strong visual appeal, good insulation and sound control, and can often be trimmed for fit; needs appropriate finish and maintenance, especially outdoors. - **Fiberglass:** Durable, low-maintenance exterior option that can mimic wood; resistant to rust, dents, rot, warping, cracking, and splitting. - **Steel:** Security-focused, durable, and commonly used for exposed entries, service doors, and budget-conscious projects; low maintenance and weather-capable when properly finished and sealed. - **Vinyl:** Frequent choice for patio systems; budget-friendly, energy-efficient, and low upkeep in weather-exposed applications. - **Wood with aluminum cladding:** Wood interior appearance with a more weather-resistant aluminum exterior shell for harsher exposures. Installation methods typically include pre-hung replacement (door and frame together), slab-only replacement on an existing frame and hinges when appropriate, and custom fabrication or mill-shop modification for nonstandard openings.

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Permits, Inspections, and Denver Code Considerations

The City and County of Denver Community Planning & Development (CPD) issues building permits and schedules inspections for qualifying work. Contractors must hold the appropriate Denver contractor license to pick up building permits. **Permits are commonly required for:** - New construction - Additions that expand a building or add rooms - Structural changes, such as enlarging an opening that affects load-bearing walls or framing - Major renovations that alter structure or major systems - Specialty installations such as fire doors - Exterior door changes in historic districts or designated landmark properties, which also need Denver Landmark Preservation Commission review **Permits may not be required for:** - Minor repairs - Replacing a door slab without altering the existing frame - Some non-structural interior door work treated as home projects When a permit is issued, scheduled inspections confirm code compliance. Project-specific conditions always control; historic status, structural changes, fire ratings, and commercial use can change the path. **Code themes buyers should expect:** - **Accessibility (ADA and related standards):** Commercial openings—and many multi-family residential openings—need adequate clear width (commonly a minimum 32-inch clear opening at 90 degrees), limited opening force, operable hardware (lever-style rather than round knobs), hardware height generally between 34 and 48 inches above finished floor, limited threshold heights, and maneuvering clearance in front of the door. - **Fire-rated assemblies:** Garage-to-house entries commonly need a fire-rated door (often discussed as a 20-minute rating under local practice). Commercial buildings may require rated doors at stairwells, exit corridors, tenant separations, and higher-hazard areas. Ratings apply to the full assembly—door, frame, and hardware—and fire doors must self-close and self-latch with appropriately labeled hardware. - **Energy performance:** Denver energy rules track IECC standards with local amendments. As of January 1, 2026, residential doors with more than half glass are subject to a U-factor of ≤ 0.30; opaque doors and doors with ≤½-lite are treated differently under the stated exemptions. Air sealing, insulation, and weatherstripping matter for exterior doors in Denver’s climate, and some new builds or major renovations may involve blower-door verification.

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What Buyers Should Evaluate

Before committing to door work in Denver metro, evaluate: 1. **Licensing path** — Confirm the company holds a valid City and County of Denver contractor license appropriate for the project and can coordinate permit pickup when permits apply. 2. **Insurance** — General contractors are expected to carry general liability insurance meeting ordinance minimums; bonding and broader coverage are worth confirming for risk protection. 3. **Local experience** — Look for work on Denver housing stock, commercial openings, climate-exposed exteriors, and any specialty needs (fire-rated, ADA, historic). 4. **Code familiarity** — Energy, accessibility, fire-assembly, and landmark rules change project details and product selection. 5. **Warranty clarity** — Separate manufacturer product coverage from installation/workmanship coverage and understand what each includes and excludes. No project outcome is by marketing language alone. 6. **Transparent scope** — Expect clear measurement notes, material options, frame condition assessment, sealing/insulation details, hardware plan, cleanup, and whether the opening is slab-only or pre-hung. 7. **Specialty capability** — Fire-rated assemblies, accessibility clearances, custom sizes, and commercial egress openings need experienced coordination, not generic slab swaps.

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How a Typical Door Project Moves Forward

A solid process usually starts with opening measurements, frame condition assessment, swing and clearance review, and material selection. Exterior projects add weather barrier, threshold, insulation, and sealing details; commercial or multi-family work may add accessibility or fire-label requirements. If structural opening changes, fire doors, new construction, major remodel scope, or landmark exterior work are involved, permit planning comes next. Installation then focuses on plumb/level alignment, secure fastening, hardware function, weatherstripping or seals, and finish protection. Where a permit applies, inspections are scheduled through the city process after the permitted work is ready for review.

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Serving Longmont and Boulder County

We serve Longmont, CO and all surrounding Denver metro communities. Our team is based in Denver and operates throughout the Front Range, from Castle Rock to Longmont and everywhere in between. Contact us for a free estimate on your Longmont project.

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