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Prime Air Duct Experts
Aisle · 7 Premium Parts

Duct Integrity & Sealing

The ductwork itself — joints, boots, insulation, and the leaks nobody sees. Cleaning a leaky duct system is treating the symptom: air you paid to condition is escaping into an attic, and unconditioned attic air is being pulled back in to replace it, dust and all.

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Duct Integrity & Sealing

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No prices are listed — every part is quoted after a fit check confirms the inspection finding it answers. Anchor components open a full page; boxed code parts and accessories are listed here.

01

Anchor / installed

Aerosol Duct Sealing (Interior)

Sealant delivered as an aerosol through the duct system itself, so it finds and closes leaks from the inside — including the ones behind drywall and buried in insulation that no one can physically reach. This is the answer for a system whose leakage is spread across dozens of small seams rather than concentrated in one accessible spot. It is a measured process: the system is pressure-tested before and after, so you get a number, not a claim.

Verification: Pre- and post-seal pressure testBest for: Diffuse leakage across inaccessible runs

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02

Premium grade

Mastic Sealing — Accessible Runs

Brushed-on mastic with reinforcing mesh at every accessible joint, boot and plenum connection. Where we can reach the seams, this is the more durable and far cheaper option, and it is what we will recommend first on an attic system with open runs. What it will not do is fix leaks inside a wall — if the inspection shows the leakage is mostly concealed, mastic alone is the wrong purchase.

Closure system: Mastic and mesh per UL 181A / 181B closure listingsLimitation: Only seals joints that can physically be reached

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03

Premium grade

Flexible Duct Replacement Run

Replacement of a run that is crushed, torn, disconnected, or sagging between supports. Flex duct is legitimate material installed correctly — pulled taut, properly supported, no tight radius turns — and a liability installed the way it usually is: draped over a joist with a compressed elbow that halves the airflow to whatever room sits at the end of it. Most 'that bedroom is always hot' calls end here.

Install standard: Supported and pulled taut per manufacturer instructionsCommon defect: Compression and sag at bends — a real airflow loss

Listed part · ask in your quoteQuote
04

Anchor / installed

Rigid Sheet-Metal Duct & Fittings

Fabricated metal trunk and branch work for the parts of the system that should never have been flex in the first place — main trunks, plenum takeoffs, tight mechanical spaces. Constructed to the sheet-metal industry's standards rather than to whatever fits, then sealed and insulated. It costs more than flex and it lasts the life of the house.

Construction standard: SMACNA duct construction standards

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05

Premium grade

Duct Insulation Upgrade (Attic Runs)

Insulation on ducts crossing an unconditioned attic, where a Texas summer attic can sit far above the temperature of the air inside the duct. Two things happen when that insulation is thin or has fallen away: you lose cooling capacity on the way to the room, and the duct surface can drop below the dew point and sweat, which is how insulation gets soaked and stays that way. Worth checking before you spend anything on air-quality equipment.

Applies to: Duct in unconditioned space

Listed part · ask in your quoteQuote
06

Code part / accessory

Boot & Register Reseal

The connection where the duct meets the ceiling or floor opening. It is the most commonly unsealed joint in a house and it sits directly against the attic or crawlspace, so it leaks conditioned air out and pulls dusty unconditioned air in at exactly the point you feel it. Small job, disproportionate result — this is often the first thing we do after a cleaning, because otherwise the ducts reload from the same source.

Listed part · ask in your quoteQuote
07

Code part / accessory

Sealed Access Port Installation

Proper closable access openings so the system can actually be cleaned and inspected to the industry standard rather than vacuumed at the registers and called done. Source removal means getting equipment into the trunk and plenum, and that requires openings that seal correctly afterwards. A company that cleans without them is not doing the work the standard describes.

Standard: Source removal per the NADCA ACR standardClosure: Ports resealed to maintain system integrity

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Get it inspected. Get it in writing.

A $99 camera inspection is the cheapest way to find out whether you need us at all — and a real share of them end with “not yet”. Either way you keep the footage.

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