Trusted by contractors and builders nationwide, Core Insulation Supply delivers genuine Rockwool products with reliable availability, transparent pricing, and professional support—whether you’re ordering a few bags or full truckloads. Order with confidence, knowing your materials are handled with care from allocation to delivery.
Core Insulation Supply offers super-fast and same-day service for thousands of in-stock items. Our Superhero delivery team is always on call, racing against the clock to get you the essentials—so your project never pauses
To empower every builder—professional or personal—with fast access to premium building supplies, expert guidance, and smart pricing, so they can build with confidence, speed, and precision.
Our Vision
We envision a world where building projects are seamless and stress-free. From 2-hour local delivery to real-time expert support, we aim to be your trusted project partner—helping you save time, reduce costs, and achieve better results, every time.
Our Values
1- Speed & Efficiency: Same-day delivery with thousands of in-stock products. 2- Expertise You Can Trust: 30+ years of real construction experience at your service. 3- Customer First: Personalized support and honest recommendations that put your needs first. 4- Smart Innovation: AI-powered price negotiation and a future-focused shopping experience. 5- Quality Products: Access to 5,000+ top-brand tools and materials, always ready to ship.
Find exactly what you need—fast. Browse our wide range of building materials, tools, and supplies, all organized by category to make your search simple and efficient.
ROCKWOOL Comfortboard®
Comfortboard 80 by ROCKWOOL is a firm stone wool insulation board created for use in continuous insulation systems. While it is not a structural sheathing, it enhances the thermal efficiency of the building envelope.
ROCKWOOL Comfortbatt is a stone wool insulation solution suitable for wood and steel framing in both new construction and renovation projects, whether residential or commercial. This semi-rigid batt features a flexible edge that compresses for a snug fit when installed in walls, attics, ceilings, and floor assemblies.
ROCKWOOL Safe'n'Sound is a stone wool batt insulation tailored for use in interior partitions, floors, and ceilings within wood and steel framing. It is ideal where enhanced fire protection and sound insulation are critical.
Find exactly what you need—fast. Browse our wide range of building materials, tools, and supplies, all organized by category to make your search simple and efficient.
Services Built Around Your Project Needs
Fast, reliable, and expert-backed — everything you need to build smarter and faster.
Expert help when you need it.
Smart pricing with AI deals.
Custom orders for special needs.
Real-time order tracking updates.
Fast Nationwide Delivery
We guarantee delivery within 2 hours for thousands of in-stock products to keep your project moving without delays.
Saves valuable project time
Reduces downtime and waiting
Covers a wide local delivery area
Flexible delivery slots to fit your schedule
Flat-rate delivery: $180 / $200Â
Free delivery on orders of $6000 or more
Expert Customer Support
Our team brings 30+ years of construction experience to assist you with material selection, tool advice, and project questions.
Personalized recommendations tailored.
Quick response times via phone, chat, or email.
Knowledgeable guidance on product compatibility.
Support from real industry professionals.
AI-Powered Price Negotiation
Instantly negotiate prices live using our AI tool to get the best deal without haggling or delays.
Transparent pricing with no hidden fees
Saves time by automating negotiations
Ensures competitive market rates
Customizes prices based on order size and frequency
Wide Product Selection
Access 5,000+ top-brand materials and tools, all in stock and ready for immediate shipment.
Comprehensive range covering all project needs
Trusted brands ensuring high quality
Regularly updated inventory to meet demand
Easy navigation by category for fast ordering
Custom Orders & Special Requests
We source specialty and custom materials to meet unique project requirements.
Access to rare and niche products
Personalized sourcing tailored to your specifications
Coordination with suppliers for timely delivery
Dedicated support for complex orders
Reliable Order Tracking
Track your orders in real time from confirmation to delivery for full transparency.
