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Pressure Tested Before & After  ·  Mastic Sealant  ·  Every Leak Point Found  ·  Guaranteed
Duct Sealing · Roxana, IL

Duct Sealing in Roxana, IL —
Call Now for Same-Day Scheduling.

Pressure testing before sealing quantifies total leakage. Every leak point located and sealed with correct materials. Post-sealing pressure test documents the improvement. Every service guaranteed.

Pressure Tested Before & After
Mastic Sealant
Every Leak Point Found
Guaranteed
Professional Duct Sealing

Professional Duct Sealing in Roxana, IL

Your energy bills are higher than they should be for the amount of heating and cooling your home requires in Roxana. Certain rooms will not reach the right temperature regardless of how long the HVAC runs in Roxana, IL. You have had the equipment checked and it is working correctly in Roxana. If the equipment is fine but the home is not comfortable and the bills are high, the problem is almost certainly in the distribution system in Roxana, IL. Specifically, in duct leaks that are allowing conditioned air to escape into unconditioned attic or crawl space before it reaches the rooms you are paying to heat and cool in Roxana.

Duct leakage happens at every unsealed joint between duct sections, at every branch takeoff from the trunk line, at every register boot connection in the walls and ceilings, and at the connections where the duct system meets the air handler in Roxana, IL. The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leakage in Roxana. For a home spending $200 per month on heating and cooling, that is $40 to $60 per month escaping through duct leaks to the attic or crawl space in Roxana, IL.

MBM Air Duct Cleaning finds and seals duct leaks throughout Roxana, IL in Roxana. Pressure testing before sealing to quantify the total leakage in Roxana, IL. Systematic identification of every specific leak point through the accessible system in Roxana. Correct sealant materials applied to every leak point in Roxana, IL. Post-sealing pressure testing to document the improvement with measured numbers in Roxana. And a guarantee on every sealing service in Roxana, IL. Call now for same-day scheduling in Roxana.

Why Correct Sealant Materials Last While Duct Tape Fails in Roxana, IL

Standard duct tape uses a rubber-based adhesive that performs at room temperature but dries and loses adhesion when repeatedly exposed to the temperature extremes that duct systems experience during HVAC operation in Roxana. A supply duct carrying cold conditioned air through a 130-degree summer attic cycles through extreme temperatures with every cooling cycle in Roxana, IL. Standard duct tape adhesive is not formulated for this cycling and fails within a few seasons in Roxana. Mastic sealant remains flexible after curing and maintains its seal through years of thermal cycling in Roxana, IL. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Roxana.

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Where Leaks Occur

Where Duct Leaks Occur and Why They Develop in Roxana, IL

At Every Unsealed Duct Joint Throughout the System in Roxana

Every connection between duct sections is a potential leak point in Roxana, IL. In most residential installations, these joints were mechanically fastened without sealant during installation in Roxana. Over years of thermal cycling that expands and contracts the ductwork with every HVAC cycle, even joints that were initially sealed with standard duct tape have failed as the tape dried and lost adhesion in Roxana, IL.

At Branch Takeoffs From the Main Trunk Line in Roxana, IL

Branch takeoffs split conditioned air from the main trunk line into the individual branch runs serving each room in Roxana. They have multiple edges and angles that create significant potential leak area if not correctly sealed in Roxana, IL. Branch takeoff leaks are among the largest individual leak points in typical residential duct systems in Roxana.

At Register Boot Connections in Walls and Ceilings in Roxana

The register boot connects the branch duct run to the wall, ceiling, or floor opening where the supply register mounts in Roxana, IL. The connection between the flexible duct and the boot collar and the connection between the boot and the surrounding framing are both common significant leak points in Roxana. Conditioned air escaping at the boot level leaks into the wall or ceiling cavity rather than through the register into the room in Roxana, IL.

Why Original Installation Sealant Fails Over Time in Roxana, IL

Systems sealed with standard duct tape develop leakage as the tape dries, cracks, and loses adhesion from temperature cycling in Roxana. Standard duct tape on duct joints typically fails within three to five seasons of thermal cycling in Roxana, IL. Joints that were sealed with standard tape appear sealed when first applied and are open to leakage again within a few years in Roxana.

What Leakage Costs You

What Duct Leakage Costs You in Roxana, IL

20–30%
DOE: Conditioned Air Lost
$40–$60
Per Month Wasted at $200/mo
$600+
Annual Waste at $200/mo Budget

How Leaking Ducts Create Comfort Problems Room by Room in Roxana, IL

Supply duct leakage between the trunk line and the registers means rooms furthest from the air handler receive less conditioned air than they were designed to receive in Roxana. The conditioned air that leaks out before reaching the register does not reach the room in Roxana, IL. Rooms at the end of long duct runs with multiple leak points along the way receive the cumulative effect of all those leaks in Roxana. The room that is always too hot in summer and too cold in winter is often at the end of a duct run with multiple unsealed joints in Roxana, IL.

What Return Duct Leaks Do to Your Indoor Air Quality in Roxana, IL

Return duct leaks draw air from the surrounding unconditioned space into the return airstream in Roxana. A return duct leak in an attic draws hot, dusty attic air into the air handler in summer in Roxana, IL. A return duct leak in a crawl space draws crawl space air including moisture, mold spores, and soil particulate into the system in Roxana. This unconditioned air bypasses the filter and is distributed throughout the home in Roxana, IL.

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Our Sealing Process

MBM's Duct Sealing Process in Roxana, IL

1

Pressure Testing to Establish Total Leakage in Roxana

MBM Air Duct Cleaning performs a duct pressure test before any sealing begins in Roxana, IL. A calibrated fan is connected to the duct system and pressurized to a standard test pressure in Roxana. The measured airflow represents the total leakage rate and provides the baseline for comparing with the post-sealing result in Roxana, IL.

2

Systematic Leak Location Through the Accessible System in Roxana, IL

With the system pressurized, MBM technicians work through the accessible duct system to locate every specific leak point in Roxana. Every branch takeoff. Every duct joint. Every register boot connection. Every plenum seam and air handler connection in Roxana, IL. Every identified leak point is marked for sealing in Roxana.

3

Correct Sealant Selected for Each Leak Point in Roxana

Mastic sealant for most duct joint and connection applications in Roxana, IL. UL 181-rated foil tape for specific sheet metal seam applications in Roxana. The correct material for the specific application in Roxana, IL.

4

Every Leak Point Sealed Completely in Roxana, IL

MBM systematically seals every identified leak point in the accessible duct system in Roxana. Mastic applied at the correct thickness to cover the full joint gap and bond to the duct surfaces on both sides in Roxana, IL. Every identified leak point addressed before the post-sealing pressure test in Roxana.

5

Post-Sealing Pressure Test to Confirm the Result in Roxana

After all identified leak points are sealed, MBM repeats the pressure test to measure the post-sealing leakage rate in Roxana, IL. The before and after measurements quantify the leakage reduction achieved by the sealing in Roxana. Documented evidence of the result provided to the homeowner in Roxana, IL.

Sealant Materials

What MBM Uses to Seal Duct Leaks in Roxana, IL

Mastic Sealant — The Professional Standard in Roxana

Mastic is a water-based sealant specifically formulated for duct system applications in Roxana, IL. It remains flexible after curing, maintaining its seal through the thermal cycling that duct systems experience in Roxana. It does not dry out, crack, or lose adhesion from temperature cycling the way standard duct tape does in Roxana, IL.

UL 181-Rated Foil Tape for Specific Applications in Roxana, IL

UL 181-rated foil tape is tested and rated specifically for HVAC duct applications in Roxana. Unlike standard duct tape, it maintains its adhesion through the temperature cycling of duct system operation in Roxana, IL. Appropriate for specific sheet metal seam applications in Roxana.

Standard Duct Tape Is Never Used in Roxana

Standard silver duct tape is not rated for duct system applications in Roxana, IL. Its rubber-based adhesive dries and loses adhesion from temperature cycling in Roxana. MBM Air Duct Cleaning never uses standard duct tape for duct sealing work in Roxana, IL.

Why MBM

Why Choose MBM Air Duct Cleaning for Duct Sealing in Roxana, IL

Pressure Tested Before and After — Documented Improvement in Roxana

MBM performs pressure testing before and after every duct sealing service in Roxana, IL. The before and after measurements document the leakage reduction achieved in Roxana. Documented improvement, not assumed improvement in Roxana, IL.

Every Accessible Leak Point Sealed in Roxana, IL

MBM seals every identified leak point in the accessible duct system in Roxana. Not a representative sample. Not the most obvious points only in Roxana, IL. Every identified leak point in Roxana.

Correct Materials That Maintain Effectiveness Long Term in Roxana

Mastic sealant and UL 181-rated foil tape that maintain their effectiveness through the thermal cycling of long-term HVAC operation in Roxana, IL. Never standard duct tape in Roxana.

Every Sealing Service Guaranteed in Roxana, IL

Every MBM Air Duct Cleaning duct sealing service is guaranteed in Roxana. If the sealing does not produce the expected improvement within the guarantee period, we return and address it at no additional charge in Roxana, IL.

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Pricing

Duct Sealing Cost in Roxana, IL

All pricing confirmed upfront before work begins in Roxana. No surprises in Roxana, IL.

Small system — up to 10 vents in Roxana$300 to $600
Standard residential system — 10 to 20 vents in Roxana, IL$500 to $1,000
Large residential system — 20 or more vents in Roxana$800 to $1,500+
Aeroseal treatment for inaccessible leaks in Roxana, IL$1,500 to $3,000+

A sealing service that reduces leakage by 15 to 20 percentage points returns that proportional energy cost reduction on every subsequent energy bill in Roxana, IL. For a home spending $200 per month on heating and cooling, a 15 percent leakage reduction saves approximately $30 per month in Roxana. A sealing service costing $500 to $1,000 pays for itself in energy savings within 18 to 36 months in most cases in Roxana, IL. Every month after payback is net return on the investment in Roxana.

Pressure tested before and after. Every leak found. Correct materials. Guaranteed. MBM Air Duct Cleaning in Roxana, IL.

Call now for same-day scheduling in Roxana.

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Service Area

Serving Roxana, IL and Surrounding Areas

Downtown Roxana

Homes, condos, apartments in Roxana, IL

North Roxana

Full north-side coverage in Roxana, IL

South Roxana

All south-side communities in Roxana

East Roxana

East-end homes and properties in Roxana, IL

West Roxana

Full west-side coverage in Roxana

Surrounding Areas

Call to confirm availability in Roxana, IL

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FAQ

Duct Sealing FAQs in Roxana, IL

The clearest indicators in Roxana are energy bills that seem high relative to your usage, rooms that consistently will not reach the right temperature, an HVAC system that runs continuously without achieving comfort setpoint, higher than expected dust levels throughout the home, and humidity problems during cooling season in Roxana, IL. Pressure testing is the definitive way to quantify the leakage in your specific system in Roxana.
A duct pressure test connects a calibrated fan to the duct system and pressurizes it to a standard test pressure in Roxana. The airflow required to maintain that pressure is measured in Roxana, IL. The measured airflow represents the total leakage rate of the system in Roxana. MBM Air Duct Cleaning performs pressure testing before and after every duct sealing service in Roxana, IL.
The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leakage before it reaches the living spaces in Roxana. In systems with particularly poor sealing or failed original sealant, the loss can exceed 30 percent in Roxana, IL.
Duct cleaning before duct sealing allows the mastic sealant to bond to clean duct surfaces in Roxana. Applying mastic to duct surfaces coated with accumulated dust and debris reduces the bond quality and long-term sealing effectiveness in Roxana, IL. MBM Air Duct Cleaning recommends cleaning before sealing when both services are needed and can coordinate both in a single visit in Roxana.
Mastic is a water-based sealant specifically formulated for duct system applications in Roxana. It remains flexible after curing and maintains its seal through the thermal cycling that duct systems experience during operation in Roxana, IL. Standard duct tape uses a rubber-based adhesive that dries and loses adhesion from temperature cycling, failing within a few seasons in Roxana.
Yes. Return duct leaks in crawl spaces draw crawl space air including its elevated moisture content into the return airstream in Roxana. The additional moisture enters the air handler and is distributed throughout the home in Roxana, IL. Indoor relative humidity rises despite the air conditioner running because the additional crawl space moisture load overwhelms the system's dehumidification capacity in Roxana.
Aeroseal is a technology that seals duct leaks from inside the pressurized duct system in Roxana. Aerosolized sealant particles are introduced into the system and travel to leak points where they accumulate and seal the gap in Roxana, IL. It is needed when significant leakage exists in duct sections in wall cavities or ceiling plenums that cannot be physically accessed for manual sealant application in Roxana.
Mastic duct sealant maintains its sealing effectiveness for the life of the duct system when correctly applied in Roxana. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Roxana, IL. Both materials significantly outlast standard duct tape in duct system applications in Roxana.
Yes. Sealing the duct system reduces the conditioned air loss the system was experiencing and delivers more of the conditioned air the HVAC produces to the living spaces in Roxana. The reduction in leakage translates directly to reduced energy consumption for the same heating and cooling output in Roxana, IL.
Yes for systems with return duct leaks in unconditioned spaces in Roxana. Return duct leaks in attics and crawl spaces draw unconditioned air including dust, moisture, and mold spores into the return airstream in Roxana, IL. Sealing these leaks eliminates the pathway and keeps the circulated air to what is drawn from the living spaces in Roxana.
Duct sealing costs in Roxana range from $300 to $600 for smaller systems, $500 to $1,000 for standard residential systems, $800 to $1,500 and above for larger systems, and $1,500 to $3,000 and above for systems requiring Aeroseal treatment in Roxana, IL. All pricing confirmed upfront before work begins in Roxana.
Yes. Every MBM Air Duct Cleaning duct sealing service is guaranteed in Roxana. If the sealing does not produce the expected improvement within the guarantee period, we return and address it at no additional charge in Roxana, IL.
Call Today

Ducts Losing Conditioned Air? Call MBM Air Duct Cleaning in Roxana, IL Today.

Duct leakage pays for conditioned air that heats and cools your attic and crawl space instead of your living spaces every month in Roxana. MBM Air Duct Cleaning quantifies the leakage with pressure testing, locates every specific leak point, seals every accessible leak with correct materials, confirms the improvement with post-sealing testing, and guarantees every service in Roxana, IL. Call now for same-day scheduling in Roxana.

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Our HVAC & Air Duct Services in Roxana, IL

Duct SealingHVAC RepairAir Conditioning RepairDryer Vent CleaningFurnace RepairHeat Pump RepairEmergency HVAC RepairCommercial HVAC RepairHVAC InstallationHVAC Replacement

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