Mike Dilettoso - General Contractor & Advisor
Cost effective, Energy Efficient, Environmentally Responsible Construction 
 Call us at: 
 919-697-0736
or
919 600-0292
Mike Dilettoso
Chapel Hill, Raleigh,
 Durham, 
Energy Efficient 
Builder
919 600-0292
or
919 697-0736

Sustainable Construction,

 Recycle, Reuse, Reduce,

Passive Solar Builder
 Energy Efficient Structures - Mike Dilettoso 
Alternative Building Systems is a regional distributor of Stronghold ICF (Insulated Concrete Forms) serving builders, contractors, and homeowners throughout North Carolina and the Southeast.
We supply Stronghold ICF blocks, bracing rental, jobsite training, and installation support to help projects move from foundation to completed structure efficiently and correctly.
Whether you are building a high-performance home, commercial building, or energy-efficient foundation, our team provides the products and field experience needed to make your ICF project successful.

Contact Us
Stronghold ICF (Insulated Concrete Forms)
Stronghold ICF
ICF blocks
ICF construction
Insulated concrete forms
ICF distributor
ICF bracing rental
ICF contractor support
energy efficient construction
concrete form construction

Get Started With Your ICF Project
If you are planning an ICF project or want to learn more about building with Stronghold ICF, contact us today.
We are happy to review plans, provide material estimates, and help you determine if ICF is the right solution for your project.

Alternative Building Systems 
serves ICF projects throughout:
Raleigh
Durham
Chapel Hill
Greensboro
Wilmington
Charlotte
and surrounding North Carolina communities

919 697-0736 or 307 631-2454
ICF Services for Builders and Contractors
We support contractors and owner-builders with everything needed for a successful ICF project.
Our services include:
ICF Block Sales
Complete supply of Stronghold ICF forms and accessories.

Why Insulated Concrete Forms (ICF)?
Insulated Concrete Forms are one of the most advanced building systems available today. ICF walls combine reinforced concrete with continuous insulation to create structures that are:
• Extremely energy efficient
• Resistant to hurricanes, tornadoes, and fire
• Quieter and more comfortable
• Healthier, with reduced air infiltration


Long-lasting and low maintenance
ICF structures can reduce heating and cooling costs by 40-60% compared to traditional wood framing, while creating a stronger and more resilient building.