Roller Door Entrance Repair using Belzona

KHIA ID: 8436
Industry: Buildings & Structures (BSTR)
Application: FPA-Floor Problem Areas (FPA)
Substrate: Concrete
Customer Location: Huthwaite, UK
Application Date: September 2020
Products:

Belzona 4911 (Magma TX-Conditioner) Belzona 4131 (Magma Screed)

Problem: A concrete entrance had been compromised by years of wear from fork lift traffic running over a small concrete entrance pad which had suffered cyclic freeze/thaw in the winter, heavy rain and other erosive forces.The existing concrete had become compromised to a limit where it had become a safety hazard to run industrial traffic over the area
Photograph Descriptions

1. Prior to repairs 2. Finished application 3. Aco drains installed 4. Aco drains installed

Application Situation
A concrete entrance needed repairing and the installation of 2 x Aco drains to help manage the water draining off the yard above
Application Method
The concrete was prepared as per the Belzona 4131 IFU and the application was carried out in accordance with Belzona System leaflet FPA-1. The Aco drain gulleys were dug out and the Aco drains installed. Belzona 4911 was mixed and applied to specification as per the Belzona 4131 IFU. Belzona 4131 was mixed and applied according to the Belzona 4131 IFU. The area was left to cure for the recommended time according to ambient temperatures.
Belzona Facts
The compressive strength of Belzona 4131, fully cured has been tested to a compressive strength of 13,000psi. (89.6 MegaPascals (MPa)) The compressive strength of cured concrete can vary from 2500 psi (17 MPa) for residential concrete to 4000 psi (28 MPa) and higher in commercial structures. Higher strengths up to and exceeding 10,000 psi (70 MPa) are specified for certain applications. These are rated on a 150mm concrete block which has been left to fully cure for 28 days. Therefore, the Belzona 4131 is anywhere between 3 and 6 times stronger than industrial concrete at the recommended 6mm thickness.
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