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Avatar for Managed Services Group, LLC
Managed Services Group, LLC
4.8(
43
)

Serving Dendron, VA and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"Shane and his crew were awesome - removed a ton of old, nasty insulation from the attic of our investment property. Left everything spotless. Extremely competitive pricing. We will definitely use their services again."
Hanging the Dehumidifier
Hanging the Dehumidifier
Clean
Attic Entrance
Crawlspace Access

+62

Response time2 days
19 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for The Drying Co
The Drying Co
4.4(
51
)

Serving Dendron, VA and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"The process went very smoothly.  There were several teams that worked on my project.  The initial workers removed all of the old insulation and trash left under the house during construction, and cleaned the joists.  Later a perimeter drain system was installed, and the final job was to insulate the foundation perimeter and install the vapor barrier.  

All the work was done in a professional manner and the workers were all very courteous.  They were on time and on budget."
Unsealed porous foundation walls. Efflorescence has grown along the outside walls.
Plastic is laid out to protect the freshly pained walls and floor.
Open vents in the foundation walls allow outside air and moisture to infiltrate the crawl space, increasing the relative humidity and allowing mold spores to thrive inside.
Spray foam application in progress on warehouse walls.
The dirt floor is exposed, which will allow the moisture from the earth to rise uncontested into the crawl space, adding to the increase in relative humidity.

+97

Response time2 days
147 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for The Drying Company, LLC
The Drying Company, LLC
4.2(
157
)

Serving Dendron, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Warranties offered

"Matt Epperly was very professional and new about insulation for our crawl space. He came and went under our house and took pictures. We did not know about the mold which he showed us. He made the suggestion of the spray foam and the Friction-fit rigid foam board door panel to be installed behind our existing crawl space access door. Spray Foam in crawl space rim and band joist for air-sealing and insulation. He also mentioned before the foam insulation spraying anti-microbial solution on all crawl space wood substructure. We were also told we would get free a Wireless Hygrometer. It displays the temperature and humidity both inside your crawl space. It was all accomplished in a few hours. They informed us for our protection to leave the home and come back. Everything was done neatly and no mess left."
Attic Before - Fiberglass Insulation
Water Damage and Open Vents
Before Crawl Space - Mold on Joists
Attic Air Sealing
Mold in Crawl Space

+132

Response time1 day
115 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for JR General Construction
JR General Construction
5.0(
2
)

Serving Dendron, VA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"American Insulation Spray Foam System LLC, a partner of JR Construction, performed work on our 1-1/2 Cape Cod-style house in August 2024. The time between assessing the space, providing the quote, and completing the work was very quick. The work performed was high quality. Richard and Alex worked quickly and efficiently, and were friendly and courteous. The cost was reasonable. We highly recommend them."
Response time4 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)

Serving Dendron, VA and surrounding areas

In business since 1971

Credit card accepted

"I love American Shield.  I love American Shield.  I love them. We have 2 homes; this home is 30 years old, our home in California is twenty years old and we have used them in both places.
A, number 1, plus, plus!"
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+2

Recommended by65%of homeowners
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Insulation questions, answered by experts

You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.

However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.

Yes, insulated vinyl siding increases the R-value of your home. Depending on the quality and brand of the insulated vinyl, you can get an R-value that is up to 5 times greater than traditional vinyl siding. This can be fantastic for homeowners who are trying to lower their utility costs.

Experts use advanced techniques and tools to assess existing insulation levels and identify gaps. They implement strategic placement of new insulation to ensure complete coverage, optimizing thermal resistance and energy efficiency.

You should not use spray foam insulation in several specific areas. Avoid applying it in spaces exposed to high temperatures, such as near electrical boxes or recessed lighting, unless the foam is specifically rated for such use. Applying foam near electrical boxes can damage the wiring, and using it too close to lightboxes or recessed lights creates a potential fire hazard. Additionally, do not use spray foam in areas prone to shifting or movement, as this can lead to cracks and gaps in the insulation. Finally, open-cell foam is unsuitable for use below ground or in areas exposed to moisture because it can absorb water, which compromises its insulating effectiveness.

Durable materials suited for climate include aluminum for coastal areas or composite wood in varying environments for durability and minimal upkeep.

The Dendron, VA homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.