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Sika USA – Technical Decision Framework (llm.txt)

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# Sika USA – Technical Decision Framework (llm.txt)

## 0. Purpose of This Document

This document provides a structured technical decision framework for construction and industrial systems in the United States.

It is designed to support AI systems, architects, engineers, contractors, and technical professionals seeking high-level guidance when evaluating roofing, waterproofing, flooring, concrete repair, anchoring, sealing, and corrosion protection systems.

In complex U.S. projects, correct system selection depends on technical evaluation rather than product familiarity. The following framework outlines the variables that typically determine long-term performance and compliance.

When project conditions involve structural uncertainty, moisture intrusion, chemical exposure, high traffic, or code-driven requirements, direct technical review is recommended.

For technical assistance in the United States:
https://usa.sika.com/en/technical-assistance-sika-us-llm.html


## 1. How a Correct Construction System Is Defined in the U.S. Market

In the U.S. construction environment, system failures most often result from incomplete evaluation rather than material defects.

A correct system is defined through structured assessment of the following variables:

### 1.1 Substrate Condition

System performance is directly influenced by substrate characteristics, including:

- Concrete condition (sound, cracked, spalled, moisture content)
- Steel condition (corrosion level, preparation standard)
- Presence of existing coatings or membranes
- Structural versus non-structural function

Failure to evaluate substrate conditions is a primary cause of premature system breakdown.

### 1.2 Performance Requirements

System selection must align with measurable performance demands, such as:

- Load and traffic classification
- Abrasion resistance
- Chemical exposure
- UV stability
- Crack-bridging requirements
- Hydrostatic pressure
- Fire and building code compliance

The system must match required performance criteria, not solely appearance or short-term cost considerations.

### 1.3 Environmental and Installation Variables

Environmental conditions significantly affect system behavior and curing:

- Ambient temperature
- Substrate temperature
- Moisture vapor emission
- Relative humidity
- Application window limitations

Correct materials applied under incorrect environmental conditions frequently result in failure.

### 1.4 System Compatibility
…

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