DRILL AND FILL INSULATION
Seamless Insulation Solutions for Existing Walls
Drill and Fill Insulation is an efficient retrofit insulation method designed to enhance the energy efficiency of existing walls without major demolition. This technique involves drilling small holes into wall cavities and filling them with dense-pack insulation materials like cellulose or fiberglass. It’s ideal for older homes or buildings where insulation was poorly installed—or missing entirely.
By sealing hidden gaps and voids within walls, Drill and Fill Insulation significantly reduces air leaks and improves thermal performance, resulting in better comfort and reduced energy costs. It’s a smart, cost-effective way to modernize your property’s insulation without major construction work.

Why Choose Drill and Fill Insulation?
Ideal for Retrofits
Perfect for existing homes where walls are already closed up and no insulation is present or is insufficient.
Minimal Disruption
No need to tear down walls—just small holes are drilled and later patched, leaving your interior or exterior intact.
Cost-Efficient Energy Upgrade
Boosts your energy efficiency and comfort without the cost of a full remodel or new construction.
Improves Indoor Comfort
Reduces drafts and temperature swings, creating a more comfortable indoor environment year-round.
Where Drill and Fill Works Best
Older homes built before modern insulation standards
Walls with little to no insulation
Retrofit projects aiming for energy efficiency
Residential and light commercial buildings
Why Choose Henges for Drill and Fill Insulation
Expert Diagnosis & Evaluation
We assess your wall structures using advanced tools to ensure precise placement and fill density.
Certified Insulation Installers
Our team follows best practices to ensure the insulation is installed correctly, safely, and effectively.
Clean and Non-Invasive Process
We minimize disruption and always restore the area post-installation to maintain your property’s appearance.
Trusted Since 1932
With decades of insulation experience, Henges delivers top-tier service backed by customer trust and performance.
GOOD Based on 27 reviews Posted on Jonathan OkomoTrustindex verifies that the original source of the review is Google. Great serviccePosted on Chris TiddTrustindex verifies that the original source of the review is Google. Couldn’t have had a better dealing with Henges, called and had a quote the same day. Was contacted the following business day for scheduling and they actually came the following day to insulate. Great commendation and fair priced. Workers were courteous and the final product looks awesome!Posted on Melissa AllenTrustindex verifies that the original source of the review is Google. Did an amazing and thorough job for our new home build!Posted on Audra SearcyTrustindex verifies that the original source of the review is Google. Happy with my insulation installation! Good communication and very reasonable prices.Posted on Jordan StaggsTrustindex verifies that the original source of the review is Google. As a builder, Henges is our preferred insulation company. Larry and Doug make scheduling a breeze. Their installers show up on time and ensure there are our houses are insulated to meet energy efficiency standards time after time again. Their crews are professional and trustworthy. If you're needing any sort of insulation solution, I highly recommend you give them a call.Posted on Tim WernerTrustindex verifies that the original source of the review is Google. Bad place

Contact us
- 15640 S. Keeler St. Olathe, KS 66062
- +1 (913) 764-4600
- info@hengesconsultation.com
- Monday - Friday 7:00am - 5:00pm
FREQUENTLY ASKED QUESTIONS
Will Drill and Fill damage my walls?
Only small holes are drilled into the walls, which are professionally patched and painted afterward, leaving minimal visible impact.
What materials are used in Drill and Fill Insulation?
We typically use dense-pack cellulose or fiberglass, depending on your wall structure and insulation goals.
Is this method effective for soundproofing?
Yes, filling empty cavities in walls can help reduce sound transmission between rooms or from outside.
How long does the installation take?
Most homes can be completed in a day or two, depending on size and wall access.
Can this service be done from the inside or outside?
Yes, we can drill from the interior or exterior, depending on your preference and the construction of your home.