FAQ
Frequently Asked Questions
Is OC Block(AAC) a new product ?

OC Block has been used in most European countries for more than 80 years as well as in the Far and Middle East for the past 40 years and in Australia and South America for over 20 years. AAC has been manufactured and used in the US since the mid 90's. Structures built over 75 years ago are still standing today and continue to perform well and require little maintenance. In India It started to uses approximately since 12 years.

How has OC Block been used ?

OC Block has been used for the following applications: Hospital | hotels, motels and restaurants | Retail and warehouses | Industrial | cold Storage | Auditorium & Theaters | Office Buildings  | Education Institutes Construction | Medical, clinics and offices  | Religious | Single family homes  | Multi-family projects  | Specialty application such as fire walls and sound walls

Why is OC Block a good thermal insulator ?

Combining AAC's R Value with 100% wall coverage thermal mass inertia and low air infiltration results in a wall system that has proven to reduce energy in most applications.

How are plumbing and electrical lines put in OC Block walls ?

Chases are routed or sawn in the AAC for the lines and then patched with repair mortar or polyurethane foam.

Is electrical conduit necessary when using this product ?

Does OC Block sell the mortar for setting the AAC ?

Yes. E-Crete has a special polymer-modified thin set mortar designed specifically for use with AAC.

Why is a vapor barrier not required in the exterior wall assembly of OC Block wall ?

The enclosed cellular structure of OC Block along with the exterior finishes provides the healthy balance between resistance to moisture penetration and vapor diffusion. This balance maintains a dry system, prevents moisture condensation and allows vapor diffusion when and if any presence of vapor occurs within the wall system.

How is an OC Block considered a Green Building Component ?

Autoclaved aerated concrete (AAC) is well known as an environmentally friendly construction material. The energy consumed in the production process is only a fraction compared to the production of other materials.  The manufacturing process emits no pollutants and creates no by-products or toxic waste products. OC Block is manufactured from common and abundant natural raw materials. The finished product is twice the volume of the raw materials used, making it extremely resource-efficient and environmentally friendly.

How much re-bar do you have to use ?

In accordance with ICC Evaluation Report 1371, reinforcement is required on the corners and around the openings unless otherwise specified by an engineer.

What about the roof and trusses ?

Trusses are attached using a top plate, anchor or ledgers consistent with other wall systems. Ledgers are attached to J-bolts that are installed at the side of the bond beam block with 4" concrete around the anchor bolt filled to the face of the wall.

 
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