Vapor Barrier · Sealed Walls · Cleanup · Insulation
Master Attic seals Old Bridge, New Jersey crawl spaces with a heavy-duty liner that runs from the ground up the foundation walls, closing off moisture and outside air in bungalow-lot foundations near Laurence Harbor and split-level crawl spaces further inland alike, new construction included. Free estimates anywhere in Middlesex County.
5.0 · 765+ Google reviews
BeforeAfterDrag to compare
A crawl space encapsulation in Old Bridge, NJ answers a moisture problem before it becomes a bigger one. Bungalow-lot foundations near Laurence Harbor sit close enough to Raritan Bay that ground moisture and salt-laden air work into the space year-round, and split-level foundations further inland in Browntown and Madison Park see a milder version of the same thing through vented crawl openings. Either way, damp framing and compressed insulation are usually what an inspection turns up first.
The barrier itself is a heavy sheet that covers the ground and runs up the foundation walls, taped and fastened at the seams so moisture cannot work its way underneath. Vents and other openings that once let outside air circulate get closed at the same time, since a sealed floor and an open vent work against each other. Insulation that has already taken on moisture comes out ahead of the liner, so the new barrier sits over dry ground instead of a problem still in progress.
A drier crawl space changes what happens upstairs too: less humid air moving into the living space, steadier temperatures at the floor, and one less condition that lets mold take hold in wood framing. The free, written estimate covers what the barrier and sealing will include for your specific crawl space, along with anything the inspection finds that should be addressed first.
Encapsulation rarely stands alone in an Old Bridge crawl space, here is how it connects to five other services we quote during the same inspection, free of charge.
Four moisture-driven conditions we see most often when we open an Old Bridge crawl space.
Bungalow-lot crawl spaces near Laurence Harbor sit close enough to Raritan Bay that humid, salt-laden air moves into the space through vents and gaps almost continuously, leaving the ground and framing damp even in dry stretches of weather.
When a crawl space stays damp long enough, batts sag, lose loft and hold water instead of blocking heat loss, which is common in the older bungalow-lot and split-level foundations we open around Old Bridge.
Split-level crawl spaces built through Old Bridge's boom decades usually vent straight to the outside, which was normal at the time but now works against keeping the space dry and at a steady temperature.
The same vents and gaps that let humid air in are just as often how a mouse or a larger animal gets in too, so sealing the foundation as part of encapsulation closes both problems in one pass.
Dry ground. Sealed walls. Cleaner air upstairs. Lower bills.
BeforeAfterHear What Our Customers Are Saying
Master Attic did a phenomenal job with our attic insulation and duct replacement. We had a loss from smoke damage from a neighboring fire and we were met with compassion and excellent customer service from Danny Jones and Jorge Diaz. We chose them for their quality of work, expertise and fair pricing and they got the job done promptly. Thank you for the excellent work and we will be recommending you highly!
We just had our attic insulation replaced, and the entire experience was pleasant from start to finish. Robert is knowledgeable, honest and easy to work with at the initial estimate period. Roberta and his crew did a great job replacing the attic insulation for our house. They were very professional, efficient and respectful. They did everything that needed to be done and left the space clean and in excellent condition. I am very happy that I chose Master Attic and would highly recommend them.
Dan Jones and the Ronald crew did a great job from start to finish! I had original insulation in my attic with no electricity, not an easy job. Our upstairs was very hot in the summer and cold in winter. With having central air, we still needed AC units and space heaters to manage. Dan set up a great plan to eliminate that. He and his crew were able to come and finish the job shortly after we first met. They were quick, clean and managed to crawl into small spaces to remove old insulation and install fresh insulation. We have already noticed a major difference! Highly recommended!!
We hired Master Attic to clean out debris, mice, old insulation, and replace with new insulation in both our attic spaces. Roberto and his crew did a phenomenal job. They were extremely professional, polite, and did a fantastic job. They invited my husband to see the attic after each step, and took pictures on their phone to show me since I could not get up in the attic. They took the time to protect the space with plastic sheeting before the job up in the attic, and then cleaned up everything perfectly afterwards. I highly recommend them!
Great job by the team. Cleaned out the entire attic and replaced all the old insulation with new fresh insulation. Made a huge difference. Alex was great to work with and was very professional. Would highly recommend.
Awesome experience from start to finish. Rob provided a great assessment and capabilities overview, arrived on time and was very generous and thorough in explaining the work. I signed on the spot. A crew of six arrived (again, on time) and completely transformed our attic space - thoroughly cleaned out the old insulation (looked spotless afterwards), sanitized the space, sealed it/rodent proofed it, added baffles and of course, replaced the insulation and added more in areas that needed it. Completed the whole job in half a day and we are delighted with the result. Thank you, Master Attic team, for a job very well done! Highest recommendation.
What a great experience I had with this company and its employees. It started with initially interacting with Joe who came out for the estimate. He was funny because he came down from my attic and said "have you seen up there". I laughed because I had and I knew it was bad. He was no pressure and no nonsense. Gave me an estimate and said if I wanted we could have the work done next day. I wasn't ready for that but after some schedule juggling I told him we could be ready. Joe had his guys out next morning with the best part being Jorge calling me to advise he was about thirty minutes out. I appreciate when I am given a heads up as to ETA. Three of them arrived Jorge set out plastic and covered exposed furniture. Jorge, Angel and Gonzalo were all polite and worked hard to complete the task. They worked efficiently and were done quickly. Jorge made sure he included me in each step of the process and when I saw the finished product I was amazed. I can actually use my attic for storage if I choose to do so. I did not realize when they were here that they also do work on crawlspace areas. I will be calling them back to see what they can do for my crawlspace which easily rivals the diasaster called my attic. I recommend at least giving this company and its employees an opportunity to help you.
Great company to work with. From beginning to end, Dan came out, spent plenty of time with me going over everything that needed to be done, and the process of everything that needed to be updated it both attics. His professionalism was top notch, answered all my question and concerns. When it came time for George and his six-man crew to do the work their quality of workmanship was well above average, they were here the whole day, and I don't think they even had a lunch break (hopefully I don't get him in trouble). They all worked and everyone knew what their job was, they removed all the insulation, cleaned, spray foamed all holes and top plates, re-insulated both attics and cleaned up like they weren't even here. Will definitely use them again.
Master Attic remediated a bat issue for us back in October and I can’t say enough about what a wonderful job they did. The work was guaranteed and they encouraged us to call if we say any further evidence of bats. Well, there were a few droppings in the attic and they quickly responded to our concerns. Jose’s crew came out on a SUNDAY, inspected the attic, and sealed up several spots that could be entry points. They were professional, efficient, and kind. I would highly recommend them. You will not be disappointed.
The vapor barrier runs across the ground and up the foundation walls, sealed at the seams, and any vents or gaps that used to let outside air in get closed at the same time. Whether the crawl space is a bungalow-lot foundation near the bay or a split-level further inland, that combination keeps ground moisture from reaching the framing instead of just slowing it down. Standing water changes the plan entirely: a flooded crawl space gets pumped out and given real time to dry before any liner goes down, since encapsulation is the fix for ordinary ground moisture, not for water actively sitting on the floor.
It depends on how much prep the crawl space needs before the liner goes down. A dry space that just needs the barrier and sealing moves quickly; one with wet insulation to pull first or a lot of vents to close takes more time. Whatever it comes to for your crawl space, we put it in writing as part of the estimate, well before a crew is booked.
Encapsulation itself sits outside most utility rebate lists, though the insulation work that often goes with it in a Middlesex County crawl space can qualify under NJ Clean Energy Program offerings tied to PSE&G accounts. We check what applies and mention it during your estimate.
Encapsulation closes off the main path that salt-laden, humid air uses to reach the joists and subfloor from below, which slows the corrosion and wood rot that constant bay-side humidity causes over time. It works best paired with air sealing at the floor above, since heat and moisture still move between the two spaces.
We check how wet the ground already is, whether the existing insulation has absorbed moisture, where the vents and gaps sit, and whether anything has been nesting in the space. A bungalow-lot crawl space near the bay usually needs more attention at the vents; an inland split-level foundation often needs more at the sill and rim joist. Either way, the plan comes from what the inspection finds, not a standard package.
Dry insulation that is still holding its shape can often stay in place and simply get built around. Once it has absorbed moisture, which happens routinely in the older bungalow-lot and split-level foundations around Old Bridge, it needs to come out first so the barrier is not sealing a wet problem underneath it.
Crews book Sayreville, East Brunswick, Matawan, Aberdeen, Marlboro and Edison on the same weekly loop through Middlesex County and the neighboring stretch of Monmouth County, so a crawl space encapsulation job in any of them lines up with an Old Bridge visit.
A properly installed liner is not something we expect to fail on a fixed timeline, it holds up for years under normal conditions. The more useful habit is a periodic look: whenever a crew is back at a property near Laurence Harbor or further inland for any other reason, checking the seams and the vent closures for wear takes a few minutes and catches a tear before ground moisture gets a foothold again.
Free inspection and a written estimate, no obligation.
Service area
Not on the list? Call (800) 285-4009
