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

Duct Sealing in Kentwood, LA —
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 Kentwood, LA

Your energy bills are higher than they should be for the amount of heating and cooling your home requires in Kentwood. Certain rooms will not reach the right temperature regardless of how long the HVAC runs in Kentwood, LA. You have had the equipment checked and it is working correctly in Kentwood. 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 Kentwood, LA. 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 Kentwood.

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 Kentwood, LA. The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leakage in Kentwood. 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 Kentwood, LA.

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

Why Correct Sealant Materials Last While Duct Tape Fails in Kentwood, LA

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 Kentwood. A supply duct carrying cold conditioned air through a 130-degree summer attic cycles through extreme temperatures with every cooling cycle in Kentwood, LA. Standard duct tape adhesive is not formulated for this cycling and fails within a few seasons in Kentwood. Mastic sealant remains flexible after curing and maintains its seal through years of thermal cycling in Kentwood, LA. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Kentwood.

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Where Leaks Occur

Where Duct Leaks Occur and Why They Develop in Kentwood, LA

At Every Unsealed Duct Joint Throughout the System in Kentwood

Every connection between duct sections is a potential leak point in Kentwood, LA. In most residential installations, these joints were mechanically fastened without sealant during installation in Kentwood. 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 Kentwood, LA.

At Branch Takeoffs From the Main Trunk Line in Kentwood, LA

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

At Register Boot Connections in Walls and Ceilings in Kentwood

The register boot connects the branch duct run to the wall, ceiling, or floor opening where the supply register mounts in Kentwood, LA. 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 Kentwood. Conditioned air escaping at the boot level leaks into the wall or ceiling cavity rather than through the register into the room in Kentwood, LA.

Why Original Installation Sealant Fails Over Time in Kentwood, LA

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

What Leakage Costs You

What Duct Leakage Costs You in Kentwood, LA

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 Kentwood, LA

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 Kentwood. The conditioned air that leaks out before reaching the register does not reach the room in Kentwood, LA. Rooms at the end of long duct runs with multiple leak points along the way receive the cumulative effect of all those leaks in Kentwood. 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 Kentwood, LA.

What Return Duct Leaks Do to Your Indoor Air Quality in Kentwood, LA

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

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Our Sealing Process

MBM's Duct Sealing Process in Kentwood, LA

1

Pressure Testing to Establish Total Leakage in Kentwood

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

2

Systematic Leak Location Through the Accessible System in Kentwood, LA

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

3

Correct Sealant Selected for Each Leak Point in Kentwood

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

4

Every Leak Point Sealed Completely in Kentwood, LA

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

5

Post-Sealing Pressure Test to Confirm the Result in Kentwood

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

Sealant Materials

What MBM Uses to Seal Duct Leaks in Kentwood, LA

Mastic Sealant — The Professional Standard in Kentwood

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

UL 181-Rated Foil Tape for Specific Applications in Kentwood, LA

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

Standard Duct Tape Is Never Used in Kentwood

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

Why MBM

Why Choose MBM Air Duct Cleaning for Duct Sealing in Kentwood, LA

Pressure Tested Before and After — Documented Improvement in Kentwood

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

Every Accessible Leak Point Sealed in Kentwood, LA

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

Correct Materials That Maintain Effectiveness Long Term in Kentwood

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

Every Sealing Service Guaranteed in Kentwood, LA

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

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Pricing

Duct Sealing Cost in Kentwood, LA

All pricing confirmed upfront before work begins in Kentwood. No surprises in Kentwood, LA.

Small system — up to 10 vents in Kentwood$300 to $600
Standard residential system — 10 to 20 vents in Kentwood, LA$500 to $1,000
Large residential system — 20 or more vents in Kentwood$800 to $1,500+
Aeroseal treatment for inaccessible leaks in Kentwood, LA$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 Kentwood, LA. For a home spending $200 per month on heating and cooling, a 15 percent leakage reduction saves approximately $30 per month in Kentwood. A sealing service costing $500 to $1,000 pays for itself in energy savings within 18 to 36 months in most cases in Kentwood, LA. Every month after payback is net return on the investment in Kentwood.

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

Call now for same-day scheduling in Kentwood.

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Service Area

Serving Kentwood, LA and Surrounding Areas

Downtown Kentwood

Homes, condos, apartments in Kentwood, LA

North Kentwood

Full north-side coverage in Kentwood, LA

South Kentwood

All south-side communities in Kentwood

East Kentwood

East-end homes and properties in Kentwood, LA

West Kentwood

Full west-side coverage in Kentwood

Surrounding Areas

Call to confirm availability in Kentwood, LA

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FAQ

Duct Sealing FAQs in Kentwood, LA

The clearest indicators in Kentwood 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 Kentwood, LA. Pressure testing is the definitive way to quantify the leakage in your specific system in Kentwood.
A duct pressure test connects a calibrated fan to the duct system and pressurizes it to a standard test pressure in Kentwood. The airflow required to maintain that pressure is measured in Kentwood, LA. The measured airflow represents the total leakage rate of the system in Kentwood. MBM Air Duct Cleaning performs pressure testing before and after every duct sealing service in Kentwood, LA.
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 Kentwood. In systems with particularly poor sealing or failed original sealant, the loss can exceed 30 percent in Kentwood, LA.
Duct cleaning before duct sealing allows the mastic sealant to bond to clean duct surfaces in Kentwood. Applying mastic to duct surfaces coated with accumulated dust and debris reduces the bond quality and long-term sealing effectiveness in Kentwood, LA. MBM Air Duct Cleaning recommends cleaning before sealing when both services are needed and can coordinate both in a single visit in Kentwood.
Mastic is a water-based sealant specifically formulated for duct system applications in Kentwood. It remains flexible after curing and maintains its seal through the thermal cycling that duct systems experience during operation in Kentwood, LA. Standard duct tape uses a rubber-based adhesive that dries and loses adhesion from temperature cycling, failing within a few seasons in Kentwood.
Yes. Return duct leaks in crawl spaces draw crawl space air including its elevated moisture content into the return airstream in Kentwood. The additional moisture enters the air handler and is distributed throughout the home in Kentwood, LA. Indoor relative humidity rises despite the air conditioner running because the additional crawl space moisture load overwhelms the system's dehumidification capacity in Kentwood.
Aeroseal is a technology that seals duct leaks from inside the pressurized duct system in Kentwood. Aerosolized sealant particles are introduced into the system and travel to leak points where they accumulate and seal the gap in Kentwood, LA. 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 Kentwood.
Mastic duct sealant maintains its sealing effectiveness for the life of the duct system when correctly applied in Kentwood. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Kentwood, LA. Both materials significantly outlast standard duct tape in duct system applications in Kentwood.
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 Kentwood. The reduction in leakage translates directly to reduced energy consumption for the same heating and cooling output in Kentwood, LA.
Yes for systems with return duct leaks in unconditioned spaces in Kentwood. Return duct leaks in attics and crawl spaces draw unconditioned air including dust, moisture, and mold spores into the return airstream in Kentwood, LA. Sealing these leaks eliminates the pathway and keeps the circulated air to what is drawn from the living spaces in Kentwood.
Duct sealing costs in Kentwood 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 Kentwood, LA. All pricing confirmed upfront before work begins in Kentwood.
Yes. Every MBM Air Duct Cleaning duct sealing service is guaranteed in Kentwood. If the sealing does not produce the expected improvement within the guarantee period, we return and address it at no additional charge in Kentwood, LA.
Call Today

Ducts Losing Conditioned Air? Call MBM Air Duct Cleaning in Kentwood, LA Today.

Duct leakage pays for conditioned air that heats and cools your attic and crawl space instead of your living spaces every month in Kentwood. 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 Kentwood, LA. Call now for same-day scheduling in Kentwood.

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Our HVAC & Air Duct Services in Kentwood, LA

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

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