
Every major leak in your home found and closed, from attic and basement to the small gaps around outlets and plumbing.
Air sealing is the most underrated home improvement. A house is a stack of rooms with hidden connections, and air takes every one of them: wall cavities that open into the attic, plumbing chases, the gap at the rim joist, the openings around ducts. Closing them changes how the whole house behaves.
We work from the top down and the bottom up, sealing the attic floor, the basement or crawl space, plumbing and wiring penetrations and larger openings first, then smaller gaps with caulk and foam. Where it makes sense, we test before and after so you know what changed.
Attic floor, rim joist, chases, ducts and fireplaces account for most leaks. We focus on those first, because that is where the biggest return lies.
Foam, caulk, tape, rigid board and high-temperature sealant each have a role. Using the wrong one can fail quickly or create a fire concern.
Leaks around windows, doors and exterior wall penetrations matter too. We seal trim, utility entries and hose bib penetrations with the right sealant.
A tighter house still needs fresh air and safe combustion. We review the mechanical systems and recommend ventilation where it is needed.
Drag the handle to compare.

BeforeAfterThe biggest leaks closed first.
Pipes and wires sealed neatly.
Gaps around trim sealed.
Gas appliances and flues checked.
Measured improvement.
Fewer drafts and less dust.
Every topic has its own page with what to expect and how we approach it.
Project situationHot and Cold RoomsOne room is always too warm and another is always too cold. Here is why it happens and…Learn more
Project situationHigh Energy BillsWhen bills climb and the house still does not feel right, the building is often the reason. Here…Learn more
Project situationOlder HomesOlder houses have charm and hidden challenges, from empty walls to unsealed attics. Here is how to improve…Learn more Answer a few questions about your rooms, bills and spaces and see which fixes to look at first.
You tell us what is going on, which rooms bother you and what you hope to change, and we set a time that fits your day.
We walk the attic, walls, crawl space and equipment, measure depths and use thermal imaging when it helps.
We protect the house, seal air leaks, place baffles and fix small problems so the insulation can do its job.
Loose-fill, batts, foam or board goes in to the planned depth, with clean edges and clear markers.
We measure the result, take photos and test air leakage when the scope includes it.
We walk the finished work with you, answer questions and leave the site clean.
It reduces drafts, not fresh air needs. We check ventilation and combustion appliances to make sure the house stays healthy.
It varies with the house. A before and after test shows what changed.
They work together. Sealing first lets the insulation perform at its best.
Most homes take one to two days.
On exterior walls we can use gaskets. Most of the benefit comes from the attic and basement.
Attic Air SealingThe hidden leaks between your living space and the attic, found and sealed so conditioned air stays inside.Explore
Rim Joist InsulationThe leaky band around the top of your foundation, sealed and insulated so drafts and cold floors stop…Explore
Blower Door and Thermal ImagingA fan test and a thermal camera that show exactly where air and heat escape, so repairs go…Explore
Window and Door Air SealingDrafts around windows, doors and trim stopped with the right sealants and weatherstripping, so rooms feel calmer and…Explore Tell us about the project and we will call you back to talk it through.
Or call (615) 357-7797 to talk now.