Ivany® Block

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Ivany® Block

Engineered Rebar Block

The Ivany® Block system is an engineered, reinforced concrete masonry system. Rebar placed within the Ivany block units help reinforce concrete block walls, enhancing structural integrity. Ivany units are an excellent choice for a large variety of construction projects, ranging from educational to municipal to commercial project sectors.

What we’re proud of

Product Highlights

Engineered Structural Performance: Ivany® Block system features pre-slotted grooves and large cores for precise rebar placement, ensuring enhanced structural integrity in demanding applications.

Construction Efficiency: Streamlines building process by allowing masons to lay block, place steel, and pour grout in one continuous workflow—eliminating trade coordination issues.

Cost-Effective Versatility: Provides superior structural rigidity at lower cost than cast-in-place concrete for diverse applications from schools to hospitals in 8″, 12″ and 16″ depths.

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Resources

Technical Resources

PART 1-GENERAL

Submittal
Submit product literature, certifications, test reports, full size samples of each product specified.

Quality Assurance
Ivany® Block “Open End” concrete masonry units shall conform to the standard specifications for masonry structures set forth in ACI 530.1-05/ASCE 6-05/TMS 602-05 with regard to design criteria and minimum material physical properties. A 3000 p.s.i. net area compressive strength is required and when used with a type M mortar will meet a 2000 f’m p.s.i. in accordance with NCMA TEK 18-1A. Ivany Block conform to ASTM C 90 Standard Specification for Loadbearing Concrete Masonry Units in concern of dimensional integrity, physical requirements, finish and appearance.

Delivery, Storage and Handling
Ivany Block units shall be delivered to the job site on pallets. Store pallets in single stacks on level ground and cover with waterproof covering (e.g. tarpaulins) to protect the blocks from inclement weather conditions.

Project/Site Conditions
Protection of work: Cover walls each day after installation to keep open walls protected and dry.

PART 2-PRODUCTS

Product Name
Ivany Block System (reinforced concrete masonry units).

Manufacturer
York Building Products Company, Inc., 950 Smile Way, York, PA 17404 • 800-673-2408 • 717-848-2831 • FAX 717-854-9156 under license from G. R. Ivany & Assoc., Inc., Fairview Park, OH

Product Description
Basic Use: The Ivany Block Structural System, an engineered, reinforced concrete masonry system utilizing the Ivany Block, is a revolutionary and proven concrete masonry unit. The Ivany System adds a new dimension to the performance of concrete masonry as an alternate to cast-in-place steel reinforced concrete walls. Use of the Ivany Block System provides all the necessary high demands for structural performance at cost significantly below that of reinforced concrete walls made with conventional formwork.

Ivany Block Open End units shall be manufactured with a ½ inch lip on the bottom of the block and a protrusion of the lip in the middle of the core shall be provided to hold the vertical bar in the proper position for the outside face. There will be provided two vertical slots in the web of the block for horizontal reinforcing which in turn provides hold for vertical bar inside. Special corner units shall be provided to make possible the proper placement of the horizontal corner bars.

Composition and Materials: Type- Ivany Block Open End Block; Sizes-Standard Modular Dimensions

Limitations: Use of the Ivany Block System is not a pre-engineered method of construction. The size and spacing must be determined by calculations for the particular applications.

Fire Ratings: Define hourly rating required as 1, 2, 3, or 4 hours. Ivany Block shall conform to ASTM E119 with respect to minimum thickness required for various wall assemblies.

Installation
Ivany® Block masonry units are manufactured using patented technology that ensures consistent dimensional integrity within tolerances defined by ASTM C90 for the concrete masonry units.

Laying Masonry Walls
Install Ivany Block units using the best masonry practices. Mortar used should be type M conforming to ASTM C 270. Concrete fill should be 3000 psi with a minimum slump of 8 inches. High lift grouting is allowed; grouting procedure shall conform to masonry wall construction outlined in NCMA TEK 3-2A. Grout should be ½ inch maximum size large aggregate conforming to ASTM C 476 and NCMA TEK 9-4A.

Maintenance
Ivany Block units do not require maintenance of any kind.

Cost
Ivany Block is reasonably priced compared to alternative wall systems. Installed costs will vary by type of units, types of construction, and location of project. Your sales representative can help you to compare and evaluate your individual needs.

Shown below are our most-common shapes/sizes. Not all available shapes & sizes are shown. Please contact your YBP sales representative for more detailed product availability.

Size: 8x8x16

Size: 12x8x16

Size: 16x8x16

Features of the Ivany Block System

Ivany Blocks meet the demands for structural performance but cost less than cast-in-place steel reinforced concrete walls,  making them a great alternative to consider.

These reinforced concrete blocks feature pre-slotted grooves and large cores. Easily add rebar to these specialty concrete blocks with slots, providing horizontal and vertical reinforcement to the overall structure. Even after the concrete grout is poured into the block cores, the rebar will remain properly aligned.

Ivany Block also eliminates the coordination of trades as masons lay the block, place the steel and pour the concrete grout in one continuous process, which typically means there are no jurisdictional disputes. The process of assembling Ivany Blocks is continuous and straightforward.

Ivany concrete blocks are available in 8”, 12″, and 16” bed depths.

Uses for Ivany Block

The Ivany Block System by York Building Products is ideal for structures in the public, commercial, industrial and other municipal sectors where increased structural rigidity is required. Ivany’s versatility allows it to benefit almost any structure:

  • Offices and stores
  • Schools and colleges
  • Manufacturing and power plants
  • Warehouses
  • Hotels
  • Hospitals
  • Multifamily housing

Find Ivany Blocks at York Building Products

York Building Products helps your construction projects succeed. Our company has been in operation for over 80 years and holds memberships with the Concrete Masonry & Hardscapes Association and the American Institute of Architects. We are based in Central Pennsylvania, and we have multiple plant locations to better serve you.

We are proud to serve the eastern USA and beyond. When you choose us, you receive high-quality products and superior customer service.

Let our experts tackle your new masonry project. Reach out today for a quote.

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