The Gold Standard of Quality Concrete
Quality Control and Assurance at Castle Builders
Internal Laboratory Advantage
Our on-site lab allows us to design and test mixes for strength, consistency, and performance—proving compliance with ASTM, ACI, and NRMCA standards. Every batch is tracked, documented, and verified with transparent records, so you know exactly what’s going into your project.
Certified, Expert Team
Every member of our quality control department is ACI-certified through the American Concrete Institute, with additional state certifications for aggregate and concrete testing. Our plant managers are NRMCA-certified, and our engineers and estimators are seasoned veterans with years of direct field experience. By partnering with CBS, you get direct access to this team of industry experts.
People and Relationships First
We’ve built our reputation on quality and service. Clients come to us for consistent results, deep expertise, and the extra mile when others won’t deliver—including off-hours, complex pours, and fast scheduling. Trust and relationships have driven repeat and referral business for over a decade.
Internal Laboratory Advantage
Our on-site lab allows us to design and test mixes for strength, consistency, and performance—proving compliance with ASTM, ACI, and NRMCA standards. Every batch is tracked, documented, and verified with transparent records, so you know exactly what’s going into your project.
Certified, Expert Team
Every member of our quality control department is ACI-certified through the American Concrete Institute, with additional state certifications for aggregate and concrete testing. Our plant managers are NRMCA-certified, and our engineers and estimators are seasoned veterans with years of direct field experience. By partnering with CBS, you get direct access to this team of industry experts.
People and Relationships First
We’ve built our reputation on quality and service. Clients come to us for consistent results, deep expertise, and the extra mile when others won’t deliver—including off-hours, complex pours, and fast scheduling. Trust and relationships have driven repeat and referral business for over a decade.
Our Certification Process & Beyond
We exceed PennDOT requirements where necessary to meet the most demanding state and private specs. To earn and maintain certification, CBS upholds strict sourcing, batching, and testing standards, including:
Regular testing of raw materials
On-site industry inspections
Routine performance audits
Documentation of every mix design and production practice
Setting the Standard in Concrete Quality
Here’s what sets Castle Builders Supply apart:
Hands-On Field Presence: Our engineers and quality managers are available 24/7—often on-site for bridge decks, industrial floors, and complex placements, providing real-time troubleshooting and bidirectional communication between plant and field.
Hands-On Field Presence: Our engineers and quality managers are available 24/7—often on-site for bridge decks, industrial floors, and complex placements, providing real-time troubleshooting and bidirectional communication between plant and field.
Proof in Performance & Results
Build a Legacy with Castle Builders
If you want quality with measurable results, backed by data, local knowledge, and a relationship-first mindset—let’s build together.