Montana wildland-urban interface aerial landscape

Welcome to Big Sky Fire Defense

Wildfire protection for Montana homeowners who’d rather prepare than hope.

You’re here before fire season — which already puts you ahead of most. If you own a rural, mountain, or high-value home in Montana’s wildfire country, you know the property is worth protecting.

The views. The privacy. The trees. The investment. The place your family gathers.

We live here too. Based in Philipsburg, we protect our own homes in the same wildfire country you do — with the same systems we install on yours.

A CitroTech partner serving Montana.

Defensible space is the floor, not the ceiling. Real protection layers home hardening, CitroTech treatment, and exterior defense systems on top of it.

Powered by the only fire inhibitor with EPA Safer Choice certification.

This is not about panic. It is about preparation.

A short, no-pressure call. Prefer to talk now? Call Benton: 406-422-2716

120K
Montana homes in moderate-to-high wildfire hazard areas
3 Mo.
CitroSafe™ protection per application
EPA
Safer Choice certified — the only one in the country
Before You Choose a Treatment

What's In The
Treatment Matters

Most wildfire retardants in the U.S. are built on ammonium polyphosphate — chemically similar to agricultural fertilizer. Independent research and a recent federal court ruling have raised concerns worth knowing before you choose a treatment for your land.

Airplane dropping fire retardant red slurry over forested hillside
29×

Toxic Heavy Metals

A 2024 peer-reviewed study found phosphate-based retardants contained arsenic at 286 µg/L — 29× the EPA drinking water limit. Cadmium: 19×. Vanadium: 17×. Manganese: 13×. Chromium: 6×. Heavy metals don't break down — every application adds to permanent soil contamination.
Source: Schammel et al. (2024), Environmental Science & Technology Letters

2024

Federal Court Ruling

A U.S. District Court ruled that discharging phosphate retardant near waterways without an NPDES permit violates the Clean Water Act. Any entity applying these chemicals is now in legal exposure.

Why CitroTech

Why We Install
CitroTech®

The same comparison in one place, line by line, so you can see why we chose what we install.

Feature Legacy Retardants CitroTech® — Big Sky Fire Defense
EPA Safer Choice Certified ✗  No ✓  Only product in the U.S.
Phosphates / Toxic Heavy Metals ✗  Yes — at dangerous levels ✓  Zero phosphates. Zero heavy metals.
Works without water or power ✗  Utility-dependent ✓  Onboard tank, phone-triggered
Appearance after application ✗  Red dye — stains structures ✓  Patented chemistry dries completely clear
Duration of protection ✗  Minutes–hours (while wet only) ✓  Up to 3 months per application
Safe for waterways & aquatic life ✗  2024 federal court Clean Water Act violation ✓  Non-toxic — freshwater & saltwater certified
Class A lumber fire rating ✗  Requires pressure treatment; weakens wood ✓  Surface-integrated, structural integrity preserved

CitroTech is the only EPA Safer Choice certified fire inhibitor in the country. Big Sky Fire Defense is a CitroTech partner serving the region.

Independently Tested & Certified
EPA
SAFER
CHOICE
EPA Safer Choice
Certified
UL
GREENGUARD
GOLD
UL Greenguard
Gold Certified
ASTM
E84
ASTM E84
Compliance
QAI
IGNITION
TEST
QAI Vegetation
Ignition Test
0%
PHOSPHATE
Zero
Phosphates
0%
METALS
Zero Toxic
Heavy Metals
What We Install

Three Ways to
Protect What You've Built

Whether you're protecting an existing home, building a new one in a WUI zone, or managing high-risk corridor — there's a CitroTech solution for your situation.

CitroSafe spray system installation on luxury Montana home
For Homeowners

CitroSafe™ Systems

A standalone sprinkler array with its own onboard tank of CitroTech fire inhibitor — trigger it from your phone as you evacuate and your home keeps defending itself.

  • Roof-mounted or perimeter configuration
  • No water or power connection required
  • Operates during outages — activate remotely
  • Installed in 3–7 days by certified crew
  • Adds a layer of active defense that insurance can't provide
Learn More →
CitroSafe lumber treatment application
For Builders & Architects

Lumber Treatment

Class A fire protection integrated at the framing stage. No pressure treatment. No structural compromise. For the first time, any wood-framed home can be Class A fire rated.

  • OSB, plywood, lumber & mass timber
  • Dries clear — preserves natural grain & aesthetics
  • Factory or field applied — no delays
  • ASTM E84 & TER 2504-101 compliant
  • Reduces insurance exposure for buyers
Learn More →
Professional proactive fire spraying application
For Utilities & Agencies

Proactive Spraying

Ground-applied fire inhibitor treatment for roadsides, power line easements, community perimeters, and high-risk WUI corridors. Works 24/7 when aerial drops can't fly.

  • Roadsides, right-of-way & utility easements
  • Creates a treated perimeter that slows fire activity
  • No NPDES exposure — Clean Water Act safe
  • Safe for waterways, fish & aquatic life
  • Trusted by firefighters & federal agencies
Learn More →
MONTANA
Montana Wildfire Reality

The Risk Is
Already Here

120K
Montana homes in moderate-to-high wildfire hazard areas
Homes in Montana's moderate-to-high risk areas have nearly doubled since 1990 as development expands into the wildland–urban interface
22,800+
Homes in western Montana's high wildfire hazard areas — up from ~11,500 in 1990
Ravalli
In Ravalli County, risk modeling shows nearly all properties face some level of wildfire exposure over time
Montana-Based. Field-Tested.

29 Years
Building.
One Mission:
Protect It.

Big Sky Fire Defense is based in Philipsburg, Montana — not a California call center. Our founder brings 29 years of construction experience, a licensed independent adjuster background, and CitroTech partner credentials to every project.

We know what it costs to build a Montana home. We know what it costs to lose one. That's why we're a CitroTech partner that installs its defense systems — the only EPA Safer Choice wildfire protection available anywhere.

About Big Sky Fire Defense
Aerial view of Montana property
Don't Wait for Fire Season

Protect Your
Property Now.

Get a free property assessment from a CitroTech partner serving Montana. We'll evaluate your risk, design your system, and get you protected before fire season.

Get Your Free Assessment
Or call us: 406-422-2716  ·  Serving Montana, Wyoming, and Northern Idaho