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.

drill and fill

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.

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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.

We typically use dense-pack cellulose or fiberglass, depending on your wall structure and insulation goals.

Yes, filling empty cavities in walls can help reduce sound transmission between rooms or from outside.

Most homes can be completed in a day or two, depending on size and wall access.

Yes, we can drill from the interior or exterior, depending on your preference and the construction of your home.

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