For homeowners
We work in occupied homes every week and keep the attic sealed off from living space. You get a written scope and a photo report when we finish.
- Musty smell upstairs
- Black streaks on trusses
- Bath fan venting into attic
Attic Truss Mold Removal Littleton CO for structural wood trusses
Attic Truss Mold Removal Littleton CO starts with finding the moisture source, not just spraying the stain. We inspect your trusses, sheathing, and insulation with thermal imaging and a moisture meter, then contain the work zone and remove mold from structural wood before it spreads. If you have seen black streaks or smelled a musty odor upstairs, call (720) 953-3834 for a same-day attic truss mold removal near me Littleton assessment.
Moisture mappedContained work zonePhoto documented- We measure firstMoisture readings before any treatment
- We contain the bayNegative air keeps spores out
- We fix the sourceLeaks and vents corrected on site
- We verify before leavingTrusses re-checked for moisture
What is included in truss mold removal
Every truss mold job includes the inspection, containment, HEPA vacuuming, antimicrobial treatment, and photo documentation. Insulation replacement, roof repair, and ventilation upgrades are quoted separately because they vary widely by attic. You will always see the full scope and price in writing before we start.
Full attic inspection
Moisture meter, hygrometer, thermal imaging, and boroscope readings on every accessible truss run. You get a plain-language summary of what is mold and what is staining.
Containment setup
Sealed hatch, blocked HVAC returns, negative air machine with HEPA filtration, and drop cloths over insulation and stored items before any removal begins.
HEPA vacuum and treatment
Truss faces and connector plates vacuumed, then treated with an EPA-registered antimicrobial spray. Heavily colonized areas get a second fogging pass.
Moisture source correction
We reseal vent boots, reroute bath and dryer exhaust, and pull insulation off the roof deck so the trusses can dry and stay dry.
Photo documentation
Dated before-and-after photos plus moisture readings, formatted for insurance claims, real estate transactions, and your own records.
Post-job verification
We re-check moisture content on treated trusses and run air scrubbers until particle counts drop before we pack up and leave.
Homes and businesses.
The approach is the same for a home and a business. What changes is the access, the schedule and who needs the paperwork.
For property managers
We schedule around tenants and operating hours, and provide documentation formatted for insurers and ownership. Multi-unit and mixed-use attics are routine work for us.
- Tenant odor complaints
- Pre-closing inspections
- Insurance claim documentation
What Attic Truss Mold Removal Littleton CO involves
A plain-language look at what Attic Truss Mold Removal involves and when it is needed.
See how it worksAttic Truss Mold Removal Littleton CO is a contained remediation process that removes fungal growth from the engineered wood members holding up your roof. We set negative air pressure, HEPA-vacuum the affected bays, apply an antimicrobial spray rated for structural lumber, and dry the trusses back to a safe moisture content. Trusses are engineered, not replaceable with a quick lumber swap, so the work has to be done without cutting or sistering members unless the wood has lost section.
Most Littleton calls we run come from the same three culprits: a roof leak that soaked the sheathing, a bathroom or dryer vent dumping warm humid air into a cold attic, or insulation packed against the roof deck. In Arapahoe County, the freeze-thaw swings from November through March push attic dew points up and down fast, and condensation lands on the north-facing truss runs first. That is why we treat the moisture source as part of the job, not a separate ticket.
Truss mold is a moisture problem first and a mold problem second.
- What it is
- Contained removal and treatment of mold growth on engineered roof trusses.
- When you need it
- Visible growth, musty attic odor, or moisture readings above normal on truss wood.
- What to expect
- Inspection, containment, HEPA vacuuming, antimicrobial treatment, source repair, and photo documentation.
How our truss mold process runs
Every job follows the same five stages, whether it is a single bay in a Columbine ranch or a full attic in a Sterling Ranch two-story. You get a written scope before we start and a photo record when we finish.
-
Inspection
We walk the attic with a moisture meter, hygrometer, and thermal imaging camera, and use a boroscope on any truss run we cannot see clearly. You get a plain-language read on what is mold, what is just staining, and where the water is coming from. Most inspections take 45 to 60 minutes.
- Walk-through
- Moisture map
- Written scope
-
Containment
We seal the attic hatch and any HVAC returns, then set a negative air machine with HEPA filtration so spores cannot drift into the house while we work. Drop cloths go down over insulation and stored items. Setup usually runs 30 to 45 minutes.
- Seal hatch
- Negative air
- Drop cloths
-
Removal
Technicians HEPA-vacuum the truss faces and plates, then apply an antimicrobial spray to the affected wood. Heavily colonized areas get a second pass with a fogger. We do not sand trusses dry, because that just aerosolizes spores. Removal on a typical 1,200 square foot attic takes four to eight hours.
- HEPA vacuum
- Treat wood
- Second pass
-
Source repair
While the attic is open, we fix what caused the problem: reseal a vent boot, reroute a bath fan to the exterior, pull insulation back off the roof deck, or add intake ventilation. This is the step that keeps the mold from returning next winter.
- Fix leak
- Reroute vents
- Clear deck
-
Verification
We re-check moisture content on the treated trusses, run the air scrubber until particle counts drop, and hand you a photo report with before-and-after shots and moisture readings. If you want third-party clearance testing, we can schedule it.
- Re-check
- Air scrub
- Photo report
Tools and methods we use
Move across a circle, or focus it and press Enter, for an illustrative thermal view of the photograph.
Thermal imaging camera
Finds temperature differences that reveal hidden roof leaks, wet sheathing, and moisture behind insulation before it becomes visible mold.
Moisture meter and hygrometer
Measures wood moisture content and attic relative humidity so we can confirm whether trusses are actually wet or just stained.
Boroscope
Lets us see behind insulation and inside tight truss bays where a camera cannot reach, so nothing gets missed during inspection.
HEPA vacuum
Removes settled spores from truss faces and connector plates without aerosolizing them into the attic air.
Negative air machine and air scrubber
Maintains containment pressure and filters airborne particles throughout the job so spores stay out of living space.
Thermal views are illustrative, generated from the photographs.
Methods
Fogger
Applies antimicrobial treatment evenly across truss runs and hard-to-reach areas where spray alone would miss.
Concrobium and Benefect antimicrobials
EPA-registered treatments safe for structural wood, used to stop growth and prevent rebound on treated trusses.
IICRC S520 remediation standard
We follow the industry standard for mold remediation, including containment, removal, and verification steps, so the work holds up to third-party review.
Negative pressure containment
Sealing the attic and running a negative air machine keeps spores from drifting into the house while we vacuum and treat the trusses.
Moisture mapping
We chart moisture content across every accessible truss and sheathing bay so the scope reflects the actual affected area, not a guess.
Source correction first
We fix the leak, ventilation, or insulation issue driving the moisture before we close the job, so the mold does not come back next season.
When to schedule truss mold work
Post-leak cleanup
You found black streaks on the trusses after a spring roof leak in Ken Caryl.
We inspect the affected bays, contain the area, HEPA-vacuum and treat the wood, and repair the leak point so the trusses can dry out properly.
Outcome: Trusses read dry on the moisture meter, the staining is gone, and you have a photo record for your insurance file.
Pre-closing job
A home inspector flagged attic truss mold two weeks before closing in Columbine.
We prioritize real estate timelines, inspect within 24 hours, and provide a written scope plus completion documentation the buyer and lender can review.
Outcome: The closing stays on schedule and the buyer gets a documented remediation instead of a credit request.
Health-driven call
Your upstairs smells musty every winter and someone in the house has asthma.
We run containment and HEPA filtration continuously, treat the trusses, correct the ventilation, and verify air quality before we leave.
Outcome: The odor is gone, spore counts drop, and the household breathes easier through the heating season.
Rental turnover
You are a landlord with a rental in Littleton Village and a tenant reported a smell.
We inspect between tenants, scope the work, remediate under containment, and hand you documentation you can share with the next renter or your insurer.
Outcome: The unit is rent-ready with a clean attic and a paper trail that protects you.
Preventive check
Your attic humidity has been running high and you want it checked before it becomes a mold problem.
We inspect with a hygrometer and thermal camera, identify the moisture sources, and recommend ventilation or insulation corrections before growth starts.
Outcome: You catch the issue early and avoid a full remediation down the road.
How truss mold work runs in Littleton
Littleton attics deal with two moisture seasons. From November through March, freeze-thaw cycles push attic dew points up and down, and condensation forms on the coldest surfaces first, which is usually the north-facing truss runs and the roof sheathing above them. From July through September, monsoon humidity does the same thing from the other direction.
Older homes in Historic Downtown Littleton and Columbine often have bath fans venting straight into the attic, which makes the problem worse. Newer builds in Sterling Ranch and TrailMark tend to have tighter envelopes, so any roof leak shows up as mold fast. We size containment and drying equipment for the actual attic volume, not a rule of thumb, and we check moisture content before and after treatment.
If you are looking for professional attic truss mold removal Littleton, Colorado, we can usually inspect within a day and have a written scope in your hands the same afternoon.
- Ken Caryl: Larger two-story homes with long truss runs and finished attics. Roof leaks around valleys and vent boots are common triggers.
- Historic Downtown Littleton: Older homes with limited attic ventilation and bath fans that sometimes discharge into the attic instead of outside.
- Sterling Ranch: Newer, tighter construction. Small roof leaks can produce visible truss mold quickly because attic humidity stays elevated.
- Columbine: Ranch and split-level homes where insulation is often packed against the roof deck, blocking airflow over the trusses.
- Roxborough Park: Homes near the foothills see more wind-driven rain and snow intrusion at roof penetrations, which feeds truss mold.
- Winter freeze-thaw cycles driving attic condensation: Condensation forms on cold truss members and sheathing, which is why most truss mold discoveries in Littleton happen between December and March.
We walk the attic and explain what we find We seal the space and set up containment We verify moisture and hand over the report
From problem to finished result.
Ken Caryl roof leak remediation
Before: A spring roof leak soaked six truss bays and the surrounding sheathing. Black staining covered the wood and the attic smelled musty every time the furnace ran.
After: Containment, HEPA vacuuming, and antimicrobial treatment cleared the growth. Moisture readings on the treated trusses dropped to normal within 48 hours, and the leak point was repaired.
We recommended an annual attic check each fall and a roof inspection after any hail event, which is standard for Ken Caryl.
Historic Downtown Littleton vent fix
Before: A 1950s ranch had mold across the trusses and insulation packed against the roof deck. The bath fan was discharging straight into the attic, adding moisture with every shower.
After: We rerouted the fan to the exterior, pulled insulation back to create an air channel, treated the trusses, and replaced the affected insulation. Moisture content came back into range within two days.
Keep the new vent termination clear of snow and check the attic humidity once each winter.
Sterling Ranch pre-closing remediation
Before: A home inspector flagged truss mold ten days before closing. The buyer's lender wanted documentation before funding.
After: We inspected the next morning, scoped the job that afternoon, and completed remediation in three days with a full photo report and moisture readings. The closing stayed on schedule.
The new owners should check the attic after the first heating season and keep an eye on roof penetrations.
Truss mold problems we solve in Littleton
Most truss mold calls come down to water getting in or humidity getting trapped. Here are the problems we see most often and how we handle each one.
- Post-leak stainingBlack staining across truss bays after a roof leakLeft alone, the growth spreads along the wood and can soften the fibers around connector plates, weakening the truss over time. We trace the leak with thermal imaging, contain the affected bays, HEPA-vacuum and treat the trusses, then repair the entry point so the wood can dry out and stay dry.
- Hidden musty odorMusty odor in upstairs bedrooms with no visible moldThe smell usually means mold is growing somewhere you cannot see, often on the back side of trusses or under insulation, and spores are drifting into living space. We inspect with a boroscope and moisture meter, find the hidden growth, and treat it under containment. Air scrubbers run until the odor is gone.
- Packed insulationInsulation packed against the roof deckBlocked airflow traps warm humid air against cold sheathing and trusses, which is the classic recipe for condensation mold every winter in Arapahoe County. We pull insulation back to create a proper air channel, install baffles where needed, and treat the trusses that were already affected.
- Vent dischargeBath or dryer vent discharging into the atticEvery shower and every dryer load dumps moisture into the attic, feeding mold year-round and driving up humidity readings fast. We reroute the vent to the exterior with a proper termination, then treat and dry the trusses that were exposed to the discharge.
- Inspection flagMold discovered during a home inspection before closingA flagged attic can stall a sale or cost you negotiating leverage if there is no documented remediation plan. We inspect within 24 hours, provide a written scope the buyer and lender can review, and complete the work with photo documentation for the file.
Why homeowners schedule truss mold work
Dry trusses, clean wood, and a documented fix you can show anyone.
Protects structural wood
Engineered trusses carry your roof load with metal plates and thin members. Surface mold left alone can pit the wood and weaken plate grip. We remove growth from structural wood, treat the members, and document moisture content so you have a record of the truss condition for your file.
Cuts musty odors
That smell in the upstairs hallway is microbial volatile compounds, not dust. After we HEPA-vacuum and treat the trusses, we fog the attic with a plant-based antimicrobial and run an air scrubber until the odor is gone. Most customers notice the difference the same day.
Stops the source
Removing mold without fixing the moisture is a callback waiting to happen. We trace roof leaks, bath fan discharge, and insulation contact with a thermal imaging camera and hygrometer, then correct what we find so the trusses stay dry through the next snowmelt.
Supports health concerns
If someone in the house has asthma or seasonal allergies that get worse indoors, attic truss mold removal for health concerns Littleton is a common reason people call us. We contain the work, filter the air, and leave the attic cleaner than we found it, which lowers the spore load reaching living space.
What a written scope covers.
What a written scope covers and what shapes it. Prices are set by the business after the first look.
Included
- Full attic inspection with moisture readings
- Containment and negative air setup
- HEPA vacuuming of truss surfaces
- Antimicrobial treatment of affected wood
- Source correction for leaks and vents
- Photo documentation and moisture report
Depends on
- How many truss bays are affected
- Whether insulation must be replaced
- Whether roof repair is needed
- Attic access and working height
- Whether clearance testing is requested
- How soon the job needs to start
What you receive
Clear records you can keep and share.
Photo report
Dated before-and-after images of treated trusses
Moisture log
Readings taken before and after treatment
Written scope
Areas treated and methods used
Source notes
What caused the moisture and what was corrected
Surface growth versus wood decay on trusses
Not every dark streak on a truss is the same problem, and the treatment differs.
Surface growth
Mold on the face of the wood
- Wipes off with HEPA vacuum
- Wood still sounds solid
- Moisture content near normal
Deep staining
Growth that has penetrated the grain
- Staining remains after cleaning
- Wood still structurally sound
- Needs antimicrobial treatment
Wood decay
Softened or cracked members
- Wood feels soft or crumbly
- Connector plates may be loose
- Structural repair needed
What we work with
- Trusses
- Sheathing
- Insulation
- Ductwork
- Vent fans
- Antimicrobials
- HEPA filters
- Moisture meters
Service ZIP codes.
A list like this tells people straight away whether you cover their street. Not listed? Call and ask: it only takes a minute.
- 80128
- 80122
- 80123
- 80120
- 80160
- 80165
- 80166
Towns we serve.
Based in Littleton and covering the places around it. Pick one for local details.
- Downtown Littleton
- Historic Downtown Littleton
- Sterne Park
- Ketring Park
- Heritage
- Southbridge
- Meadowbrook
- SouthPark
- Littleton Village
- Littleton Commons
- TrailMark
- Coventry
What Littleton customers say
Frequently Asked Questions
Price depends on the square footage affected, how many truss bays are colonized, whether insulation has to be replaced, and whether we are also correcting a roof leak or ventilation problem. Small, single-bay jobs with no insulation damage land at the low end.
Yes, if it stays wet long enough. Surface mold alone rarely compromises a truss, but prolonged moisture can soften the wood fibers around metal connector plates and reduce the plate's grip. We check moisture content on every truss we treat and flag any member that has lost section, so you know whether you are looking at a remediation or a repair.
The correct sequence is contain, HEPA-vacuum, treat, dry, and fix the moisture source. Spraying bleach or painting over the trusses without removing the spores and correcting the water intrusion just hides the problem. Our crews set negative air pressure, vacuum the wood, apply an EPA-registered antimicrobial, and verify moisture content before we close the job.
Replacement is rarely needed. In most Littleton attics we treat, the trusses clean up and stay in service. Replacement comes into play only when a truss has visible rot, a cracked member, or a connector plate that has pulled loose. When that happens, we document it and bring in a structural contractor rather than guessing.
Related Services
Other services from the same team.
- Attic Insulation Mold RemovalInsulation that has been wet holds mold and loses R-value. We remove contaminated batts, bag them for disposal, and replace with new material. This is often the fastest way to kill the musty smell.
- Attic Mold Damage RepairAfter remediation we repair what the mold and moisture damaged: stained drywall, rotted sheathing, sagging insulation. You get a dry, structurally sound attic, not just a cleaned one. We handle the repair work ourselves.
- Attic Mold RestorationFull restoration brings the attic back to a clean, usable state. We remediate, repair, re-insulate and re-ventilate. This is the package most homeowners choose after a major roof leak or a long-neglected ventilation problem.
Schedule Attic Truss Mold Removal Littleton CO today
If you have seen black streaks on your trusses or smelled something musty upstairs, get it looked at before the next snowmelt. Call (720) 953-3834 and we will schedule an inspection, walk you through what we find, and give you a written scope before any work starts.
Contact PeakShield Attic Solutions
Call (720) 953-3834 or email us and we will schedule an attic inspection, usually within a day or two. We work Monday through Friday, 8am to 6pm, and we answer the phone ourselves. If you have a leak or storm damage, tell us and we will prioritize the call.