Serving Middle Island, NY and surrounding areas
Approved
In business since 1999
Free estimates
Credit card accepted
"ABSOLUTELY RECOMMENDED ð ¯, WORKERS ARE RESPECTFUL, WORKED HARD ð ð , ADDED NEW & BETTER INSULATION IN THE ATTIC, ADDED INSULATION INTO THE GARAGE WALLS & CEILING, VERY PLEASED WITH THE WORKERS & JOB, WOULD HIRE TRIPLE H INSULATION AGAIN FOR THE FUTURE."
+152
Serving Middle Island, NY and surrounding areas
Approved
In business since 1982
Free estimates
Warranties offered
"One panel under our sun porch fell and dumped insulation every where."
Serving Middle Island, NY and surrounding areas
Approved
In business since 2004
Free estimates
Credit card accepted
"Excellent job! The insulation was done perfectly and right on time. I´d definitely recommend them!"
Serving Middle Island, NY and surrounding areas
Approved
In business since 2008
Free estimates
Offers commercial services
"rich was extremely professional ,his work was outstanding and my job was complete as scheduled.notice a major difference in the comfort of my home and was very neat. I would highly recommend him to anyone doing a home insulation or soundproofing project."
Serving Middle Island, NY and surrounding areas
Approved
In business since 1992
Offers commercial services
Customers say: Quick response
"Excellent and efficient. Responded to my emergency quickly. Were at my home by 6:30 am and got the heat going. Excellent"
Serving Middle Island, NY and surrounding areas
Approved
In business since 2018
Free estimates
Small jobs welcome
Stone Quality Contracting is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 5 years of experience serving Suffolk County, NY and surrounding areas. There is no job too big, or too small for our team. Call today for a Free Estimate and let us put our experience to work for you!\nFollow us on Instagram @stone_quality_contracting and Facebook Stone Quality Contracting\nCall/Text (631) 978-3387\nEmail stonequalitycontracting@gmail.com
+17
Serving Middle Island, NY and surrounding areas
In business since 2015
Free estimates
Emergency services offered
"They showed up exactly when they said they would. They were efficient, neat and made sure to send me pictures in the various stages of execution. And they cleaned up better than when they found the area. I would highly recommend them. I wish he did more than insulation because he would be my go-to guy for all house related needs."
+119
Serving Middle Island, NY and surrounding areas
In business since 2008
Free estimates
Emergency services offered
"Efficient in the insulation process."
Serving Middle Island, NY and surrounding areas
In business since 2012
Free estimates
Warranties offered
"Very courteous, very professional and they were on time just as promised. The beginning and ending of the job was excellent in every way. I would recommend this company to anyone who is interested in insulating their home. Thanks for a great job."
+10
Serving Middle Island, NY and surrounding areas
Free estimates
Credit card accepted
Welcome to Market Plus LLC, your premier partner in enhancing comfort and energy efficiency through expert spray foam insulation solutions. Whether you're improving your home or enhancing your commercial space, we're here to offer: Tailored Insulation Solutions: Customized to fit your needs, ensuring optimal thermal performance and energy savings. Expert Guidance: From initial consultation to project completion, we provide professional advice and support every step of the way. Quality and Durability: Using top-notch materials and industry-leading techniques, we guarantee long-lasting results. Customer-Centric Approach: Your satisfaction is our priority. We're committed to delivering a seamless experience with dedicated customer support. Experience the difference with Market Plus LLC. Contact us today to schedule your consultation and discover how we can transform your environment with superior spray foam insulation.\n
+6
Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.
R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.
Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.
You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.
Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.
From average costs to expert advice, get all the answers you need to get your job done.
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