DENVER METRO + MOUNTAINS + WESTERN SLOPE / SNOW & ICE
Roof snow.
A plan for what’s below.
A beautiful Colorado winter can put a lot of snow above your front door, driveway, or deck. Snow guards are one part of a thoughtful plan for the roof, the people below it, and the water left behind.
Work directly with owner Nick Power. Based in Arvada, serving the Denver metro, Colorado mountain communities, and the Western Slope. Tell us what you’re seeing and we’ll discuss the roofing scope and any specialist design your project needs.
START WITH THE GOAL
Hold snow. Manage water.
Protect the area below.
Snow retention
Guards, bars, and fences restrain sliding snow so it can dissipate more gradually. They do not strengthen the roof or eliminate every falling-ice hazard. The roof and attachments must support the planned retained load.
Snow management
The bigger plan includes structural loading, exits, drainage, ice dams, solar panels, maintenance, and ground-level snow storage. Retention, heat tracing, and snow removal solve different problems; none is a universal substitute for the others.
COMPARE THE OPTIONS
Different styles.
The right fit starts with the roof.
Open each option for its purpose and tradeoffs. Appearance alone cannot determine capacity, row count, or spacing.
Continuous bars, rails & fences
A continuous barrier crosses the roof plane. Options include low-profile bars and single- or multiple-pipe fences.
Useful for: a coordinated retention system where larger snow fields need to be restrained. Tradeoff: loads must be carried through the entire assembly and its attachments; a taller fence is not automatically a stronger system. Multiple rows may be needed.
Individual pads, cleats & snow birds
Small devices are distributed across the roof in a manufacturer-designed pattern. Styles range from discreet pads to traditional decorative snow birds.
Useful for: roofs where a distributed layout and a less continuous visual line are appropriate. Tradeoff: a few isolated guards above a doorway are not a substitute for a designed layout. Each device and its mounting must suit the roof.
Solar, ledge & specialty systems
Solar arrays can introduce another slippery surface and a different shedding edge. Purpose-designed systems also exist for cornices, ledges, and other narrow roof details.
Useful for: conditions ordinary roof guards do not address. Tradeoff: coordinate with the solar or building-system designer; do not improvise attachments to modules, frames, or parapets.
Colors, materials & finishing details
Depending on the product, choices include color-matched inserts or finishes, exposed metal, traditional shapes, and discreet profiles. Material compatibility matters as much as appearance.
Ask about ice-control accessories when small pieces could pass beneath a rail. Specify compatible tested components together. A color match or decorative finish does not establish a load rating.
Style references: Alpine SnowGuards’ system overview ↗ and S-5! metal-roof retention guidance ↗. These examples do not imply a PPS manufacturer certification.
THE CONNECTION MATTERS
Match the mounting
to the actual roof.
Standing-seam clamps
Compatible clamps can attach without penetrating the panel. Selection depends on the exact seam profile, panel material and gauge, and tested attachment capacity—not simply whether the roof is called standing seam.
Mechanically fastened brackets
Exposed-fastener metal and other assemblies may require a specified bracket, fastening substrate, and weatherproofing detail. Confirm what carries the load beneath the roofing and how the connection will remain watertight.
Shingle, tile & slate systems
Roof-specific pads or rails are available. New-roof and retrofit details can differ. Underlayment, flashing, roofing condition, and access to framing or blocking affect the proposed work.
Adhesive-mounted products
Some products use an adhesive connection on approved surfaces. That is a product-specific choice: preparation, coating compatibility, curing weather, and published limits must be checked. Do not assume a glued pad can replace a mechanically attached system.
LOOK BEYOND THE GUARDS
A winter plan
for the whole property.
1 / Map what sits below
Identify entrances, escape routes, walkways, decks, parking, lower roofs, equipment, and neighboring property. Coordinate any intended shedding or snow-storage area with how people actually use the property.
2 / Understand the load
Ground snow load and roof design snow load are different values. Roof geometry, exposure, thermal conditions, drifting, sliding from higher roofs, and the adopted design standard affect the roof calculation. Snow depth alone does not tell you its weight or when a particular roof needs clearing.
3 / Keep meltwater in the plan
Check roof drainage, gutters, downspouts, and where discharge can refreeze. For recurring ice dams, investigate air leakage, insulation, and ventilation appropriate to the roof assembly. Guards do not correct heat loss or waterproof an ice dam.
4 / Treat heat tracing as its own system
Roof and gutter deicing cables can help maintain a drainage path in a suitable design. They need compatible products, controls, electrical protection, and a planned outlet for meltwater. Have electrical scope handled by a qualified electrical contractor and check local energy-code requirements.
5 / Plan maintenance and removal
Inspect retention attachments and roofing as directed by the manufacturers, especially after damage or unusual winter loading. If removal is needed, arrange a qualified, insured crew with a plan for access, fall protection, the roof surface, and the area below. Avoid an improvised attempt to release an entire snow bank.
Ice-dam background: Building America Solution Center ↗. Ask us about the roofing work; structural engineering, electrical work, and snow-removal services are separate scopes to confirm.
COLORADO / LOCAL REQUIREMENTS
Same state.
Different local rules.
The first question is who issues the permit for your address. A city inside a county may use different amendments, review procedures, or design criteria. County name, ZIP code, or a neighboring roof is not enough to establish your requirements.
Pitkin County / explicit snow-shedding provisions
The county’s Title 11, effective May 2, 2026, adds IBC 1504.10 and IRC R903.5. They address roofs shedding snow or ice onto the main egress route to the public way, the public way itself, or neighboring property.
The amendments include exceptions involving specified mechanical retention, limited roof projections, certain existing reroofs, and asphalt-shingle roofs pitched 6:12 or less. Each has conditions; an exception should be checked against the actual project. What it means: review the shedding path, attachment detail, and applicable exception—not simply “put guards on every roof.” Aspen may have its own requirements.
Read Pitkin’s current Title 11 ↗Summit County / site storage and public-space protection
Published Development Code §3505.19 combines snow-storage planning with snow-and-ice shedding protections. Its applicability covers duplex, multifamily, commercial, industrial, and other nonresidential development; it states a single-family exemption conditioned on providing adjacent snow storage under subsection B.
For covered work, public spaces should be kept out of shedding areas where practicable; protective mechanisms are identified where that cannot be done. Subsection B uses a 25% paved/graveled-area snow-storage baseline with further qualifications. What it means: review the site plan and project classification as well as the roof. This is not a blanket rule requiring one guard style on every single-family house. Confirm current text and town or PUD conditions.
Read published Summit Chapter 3, §3505.19 ↗Eagle County / locally adopted snow-load reference
The January 21, 2025 Building Resolution replaces residential §R301.2.3 and points roof and deck snow-load design to the 2016 Colorado Ground Snow Map or 2016 Colorado Design Snow Loads from the Structural Engineers Association of Colorado.
What it means: obtain the required site criteria before sizing retention. Do not substitute a generic online elevation table or assume the same rules apply inside Vail or another town. This load provision alone does not establish a universal snow-guard mandate.
Read Eagle’s Building Resolution, §R301.2.3 ↗Jefferson County / address and elevation matter
Jeffco publishes elevation-based snow-load criteria and an address lookup. Its design-requirements page says elevation and ground snow load must be shown on permit applications.
What it means: a foothill property should not be assigned the same assumed load as a lower-elevation property. Confirm county versus municipal jurisdiction first; an Arvada address needs its own jurisdiction check.
Jeffco design requirements and snow-load chart ↗Routt County / use the regional snow-load map
The Regional Building Department provides a ground-snow-load map and instructions. It serves rural Routt and several municipalities, while its website identifies separate permitting portals for Steamboat Springs and other areas.
What it means: look up the site using the department’s tools and verify the applicable process. Regional administration does not mean every parcel has one snow-load value.
Routt Building Department and map links ↗Mesa County / Western Slope conditions vary, too
Mesa’s published reroof policy references the 2024 IRC/IBC. It says eave ice-barrier membrane is not required in areas designated at 30 psf snow loads, and lists situations that always require a reroof permit.
What it means: confirm the designated area and scope before using an exception. This is an underlayment provision, not a snow-retention exemption or permission to shed snow over an entrance.
Mesa County reroof policy ↗How we apply that to your project
- Identify the property’s permitting authority and currently adopted codes.
- Confirm site snow criteria, roof information, and the proposed scope with the building department.
- Check shedding paths, exits, neighboring property, HOA conditions, and solar coordination.
- Obtain the applicable manufacturer layout, attachment details, and structural review where needed.
- Confirm permits and inspections before installation; keep the approved documents and maintenance instructions.
GOOD QUESTIONS
Before you choose.
Will snow guards prevent ice dams?
No. Retention addresses sliding snow; ice-dam investigation considers meltwater, heat loss, roof construction, and drainage. They may need separate solutions.
Can guards be added to an existing roof?
Sometimes. Roof condition, available attachment, product compatibility, warranty terms, and local requirements need checking first. A retrofit may require more work than a visible row of hardware suggests.
What affects the price?
Roof size and pitch, access, snow criteria, system style, number of rows, attachment, flashing or blocking, engineering, and permitting all affect the scope. Compare complete proposals for the same roof.
Are gutters or solar panels snow guards?
They should not be assumed to restrain a roof’s snow load. Coordinate a purpose-designed solution with the roof and solar manufacturers where applicable.
LET’S LOOK AT YOUR ROOF
Plan before the next slide.
Tell Nick your town, roof type if known, and where snow or ice is causing concern. Existing plans and photos taken safely from the ground are helpful. We’ll discuss the roofing options and identify what needs manufacturer or specialist input.