SpECbuild SG15 is a high-strength, one-part polymer modified repair compound designed for structural applications. This pre-bagged, cementitious repair mortar provides exceptional abrasion resistance and low permeability, ensuring durability in various environments.
The product is suitable for repairs of concrete elements and surfaces subjected to heavy traffic, offering reliable performance in critical conditions.
SpECbuild SG15 is designed for a variety of structural repair applications, providing reliable solutions in demanding conditions:
SpECbuild SG15 offers a range of advantages that make it an ideal choice for structural repair applications, ensuring long-lasting performance and reliability:
The following table outlines the technical specifications of SpECbuild SG15 to ensure informed usage and application:
| Property | Value | Test Method |
|---|---|---|
| Compressive strength @ 28 Days | 55±5 MPa | ASTM C109 |
| Flexural strength @ 28 Days | 8±2 N/mm² | ASTM C348 |
| Fresh wet density | 2200 kg/m³ | – |
| Coefficient of thermal expansion | 11.2 x 10⁻⁶ /°C | ASTM C531 |
| Water absorption (ISAT) @ 10 minutes | 0.01 ml/m²/sec | ASTM C1585 |
| Water absorption (ISAT) @ 30 minutes | nil | ASTM C1585 |
| Linear Shrinkage @ 7 days | 0.063% | ASTM C531-00 |
The following section outlines the application process for SpECbuild SG15, providing essential steps for ensuring optimal performance:
Preparation:It is essential that adequate preparation is carried out prior to the application of SpECbuild SG15. This preparation should ensure the removal of all grease, oil, and loose material. The area to be reinstated using SpECbuild SG15 should be cut back to a depth of at least 10mm to avoid “feather edging”. It is advisable to neatly delineate the repair boundary by saw cutting to a depth of 10mm.
For most situations, the substrate should be primed with SpECbuild Primer S1. Initially, the surface should be thoroughly saturated without standing water prior to the primer being applied by brush, ensuring intimate contact with the substrate. This is best achieved by using a circular scrubbing action. SpECbuild SG15 can be applied as soon as the primer becomes tacky.
For mixing a single bag, place 2.25 to 2.75 litres of clean water in the mixing vessel and slowly add the contents of the bag with the mixer running. The product should be mixed for a minimum of 5 minutes. This product cannot be mixed by hand.
SpECbuild SG15 can be applied by a gloved hand to ensure thorough compaction around the reinforcement and against the edges of the reinstatement area. The repair is then trowel finished. The product can be applied up to 15mm in thickness in vertical, unsupported situations.
SpECbuild SG15 should be cured using SpECcure WE. In extreme drying conditions, a second coat should be applied immediately after the first coat has dried.
SpECbuild SG15 is available in convenient packaging to ensure easy handling and application:
Product Packaging: 25kg bags
Coverage: 1.1m² @ 10mm thick
For information regarding product warranty and assurance details for SpECbuild SG15, please contact our team at SMCC using any of the contact methods available on this page.
For inquiries about SpECbuild SG15 or to request technical support, please fill out the contact form. Our dedicated team is ready to assist you with information on product specifications, application guidelines, and any other questions to ensure your project’s success.
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