Single-Ply Membrane Roofing Contractors
Our certified crews install TPO, PVC, and EPDM systems using heat-welded seams and mechanically attached or fully adhered methods that meet FM wind uplift ratings for Denver's exposure category.
Denver & Front Range Roofers
Commercial Roof Replacement in Denver Phased Around Your Operations So Business Never Stops
Commercial roof replacement decisions hinge on data most contractors never collect: infrared moisture mapping, core sample analysis, and wind uplift calculations tied to your building's exposure. Peak to Peak Roofing in Denver handles commercial roof replacement by verifying deck condition and attachment requirements before specifying a system, so the assembly matches code and budget instead of the other way around.
4.9/5 average rating from 500+ locals
- Free Xactimate Estimates
- A+ BBB Rating
- Owens Corning Platinum Preferred Contractor
- GACO Certified
- Mule-Hide certified
Certified, Accredited, And Reviewed
Tear Off, Recover or Restoration: How to Choose
There are three legitimate paths for an aging commercial roof, and code sometimes takes one of them off the table. Here is the honest comparison.
Full tear off
- What actually happens
- Existing roof and wet insulation are removed down to the deck, then the full assembly is rebuilt.
- Cost profile
- Highest first cost.
- When code allows it
- Always permitted. Required when the existing roof is water saturated, or when two roof coverings already exist.
- Best fit
- Roofs with wet insulation, deteriorated decking, or a second existing layer.
Recover
- What actually happens
- A new membrane is installed over the existing one, usually with a cover board or new insulation.
- Cost profile
- Lower than tear off, since disposal and deck work are avoided.
- When code allows it
- Generally limited to one recover. The International Building Code prohibits adding a new roof covering where two or more applications already exist, or where the existing roof is water soaked or deteriorated.
- Best fit
- Dry, structurally sound single layer roofs.
Coating restoration
- What actually happens
- The existing membrane is cleaned, seams reinforced, and a fluid applied coating is rolled or sprayed over it.
- Cost profile
- Lowest first cost, but shortest renewal cycle.
- When code allows it
- Not a roof replacement under code. It extends an existing roof rather than replacing it.
- Best fit
- Roofs with life left, sound insulation and no widespread saturation. Often chosen to defer capital spend.
| Approach | What actually happens | Cost profile | When code allows it | Best fit |
|---|---|---|---|---|
| Full tear off | Existing roof and wet insulation are removed down to the deck, then the full assembly is rebuilt. | Highest first cost. | Always permitted. Required when the existing roof is water saturated, or when two roof coverings already exist. | Roofs with wet insulation, deteriorated decking, or a second existing layer. |
| Recover | A new membrane is installed over the existing one, usually with a cover board or new insulation. | Lower than tear off, since disposal and deck work are avoided. | Generally limited to one recover. The International Building Code prohibits adding a new roof covering where two or more applications already exist, or where the existing roof is water soaked or deteriorated. | Dry, structurally sound single layer roofs. |
| Coating restoration | The existing membrane is cleaned, seams reinforced, and a fluid applied coating is rolled or sprayed over it. | Lowest first cost, but shortest renewal cycle. | Not a roof replacement under code. It extends an existing roof rather than replacing it. | Roofs with life left, sound insulation and no widespread saturation. Often chosen to defer capital spend. |
Code reference: International Building Code section 1511 governs reroofing, including the prohibition on installing a new roof covering over two or more existing applications and over water soaked or deteriorated roofs, along with required inspection of the existing deck. Colorado jurisdictions also enforce International Energy Conservation Code insulation minimums on full replacements, which frequently changes the assembly thickness. A core cut and moisture survey is the only reliable way to confirm which path your roof qualifies for.
Customer Testimonials
The Diagnostic-First Approach That Prevents Costly Replacement Mistakes
Moisture mapping, core sampling, structural load verification, and system selection based on measured conditions rather than assumptions. Commercial roof replacement fails when contractors skip diagnostics and specify materials that cannot handle actual building loads or drainage patterns.
- 1. Infrared Moisture Mapping Before Any Tear-Off Begins
- Thermal scanning identifies saturated insulation zones invisible from the surface, preventing the common mistake of installing new membrane over wet substrate that voids warranties within eighteen months.
- 2. Core Sampling to Verify Existing Assembly Composition
- Cutting through all layers reveals deck type, insulation thickness, and previous roof systems. Everett needed a full TPO system with grading corrections after core samples showed the original slope had never met minimum drainage requirements.
- 3. Structural Load Calculations Using ASCE 7 Wind and Hail Standards
- Denver's hail zone requires FM Class 4 impact resistance and specific attachment patterns. Chris had two commercial buildings replaced after we calculated uplift resistance requirements that the previous mechanically attached system could not meet.
- 4. System Selection Tied to Building Use and Code Compliance
- Commercial roof replacement runs $8 to $14.50 per square foot depending on membrane type and insulation R-value requirements. Denver Calvary received a targeted section replacement rather than full tear-off because diagnostics confirmed the remaining assembly met current code.
Why Denver Property Managers Trust Peak To Peak Roofing
Commercial property owners evaluate contractors on verifiable credentials and consistent performance. Peak To Peak Roofing maintains manufacturer certifications and industry memberships that reflect two decades of completed commercial roofing projects across the Front Range.
- A+ rating with the Better Business Bureau
- Owens Corning Platinum Award recognition for installation excellence
- Active member of the Colorado Roofing Association
- Member of the National Roofing Contractors Association
- 4.9 stars across 415 verified Google reviews
Specialized Commercial Roof Replacement Services
Kim needed warranty documentation and completion records assembled for a ten-building condominium complex during a lending deadline. Ryan had a commercial replacement scoped and executed on a working timeline that kept his operation open. The system that works for a warehouse rarely works for a mixed-use building with rooftop equipment and tenant access.
Modified Bitumen Roofing Specialists
We deliver multi-ply SBS and APP systems through torch-applied, cold-adhesive, or self-adhered installation, providing redundant waterproofing layers for buildings requiring maximum puncture resistance and traffic tolerance.
Metal Roof Retrofit Contractors
Our teams install standing seam and structural metal panel systems over existing assemblies, incorporating thermal spacers and clip attachment that accommodate expansion while eliminating the disruption of complete tear-off.
Spray Polyurethane Foam Roofing Services
We apply seamless SPF systems with silicone or acrylic topcoats that self-flash penetrations and add R-value, addressing drainage deficiencies through tapered application without structural modification or additional deck loading.
Quality Standards That Separate Commercial Roof Replacement Outcomes
Commercial roof replacement quality shows up years later when seams hold or fail during a hailstorm. The specifications that matter are attachment patterns, membrane thickness, and substrate preparation, not the brand name on the invoice.
Four Standards That Determine Long-Term Performance
FM Approval Verification and Attachment Pattern Compliance: Fastener spacing verified per FM 1-90.
Destructive Testing Protocol for Seam Integrity: Peel tests confirm weld strength on every run.
Substrate Preparation and Cover Board Installation: HD cover board prevents thermal bridging failures.
Perimeter Edge Metal Meeting ANSI/SPRI ES-1: Cleats gauge-tested for 90 mph uplift.
Most commercial roof failures start at the perimeter, where wind uplift concentrates and edge metal takes the load. Peak To Peak Roofing installs ES-1 compliant edge systems on every replacement, because a membrane that survives the field will still peel back if the termination detail was never engineered for the exposure. Ongoing enrollment in our roof maintenance programs keeps those details in check long after installation.
The Commercial Roof Replacement Questions That Actually Matter
Most facility managers ask about price per square foot first. The questions that determine whether the project stays on budget are about deck condition, tear-off scope, and whether the existing assembly can support a re-cover under current code.
- Can we re-cover instead of tearing off the existing roof?
- Code allows one re-cover if the existing assembly is dry and structurally sound. Infrared moisture scanning and core cuts determine eligibility. Wet insulation, two existing layers, or deck deterioration all force a full tear-off regardless of budget preference.
- How do we budget for a project when the deck condition is unknown?
- Reputable contractors include a per-square-foot deck replacement allowance in the base contract with unit pricing for overages. Without that allowance, deck damage discovered during tear-off becomes an unpriced change order that stalls the project.
- What disruption should we expect during occupied building replacement?
- Odor from adhesives, noise from fastener installation, and staged tear-off sections that follow weather windows. Phased scheduling isolates work zones, but interior areas below active tear-off need temporary protection and coordination with tenants.
Service Area Coverage
Peak To Peak Roofing serves commercial property owners throughout Denver and surrounding communities, providing complete roof replacement directly at their facilities. The service area covers Denver, Aurora, Littleton, and Castle Pines, accessible via I-25, I-70, C-470, and E-470. Crews travel throughout the metro area, offering scheduling that works around business operations and tenant occupancy.
- Serving Denver, Aurora, Littleton, Castle Pines, Parker, Centennial, Lakewood, and Westminster
- Accessible via I-25, I-70, C-470, E-470, and US-36 throughout the Front Range
- Mobile crews reaching commercial properties across the entire Denver metro area
- Providing Commercial Roof Replacement directly at your facility
Peak To Peak Roofing offers flexible project scheduling throughout Denver and surrounding areas, coordinating replacement work directly at your commercial property with minimal operational disruption. Crews are also on call for emergency roof service when storm damage accelerates a replacement timeline.
Frequently Asked Questions
Commercial Replacements Since 2008
A Replacement Planned Around Your Operations.
Tear-off or recover, insulation and code upgrades, and phased scheduling so tenants and production keep running through the project.
Phased Project SchedulingWarranty And Code Upgrades
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"Peak to Peak was great, they helped me with a repair on my roof. Helped me to extend the life of my roof."
- Luke Howard