Engineering Express maintains a database of technical questions relating to product approvals. Click Here to visit their knowledge base.
Questions they can help answer, for example are:
- What are porosity and closure angles when defining a porous building opening?
- Is a large missile impact window or door automatically approved for small missile impact?
- How do I calculate the effective opening area on window or door products? – What opening area should be used for wind pressure determination on a multi-panel product?
- Florida Statewide Approvals (FSA) – Quality Assurance and Validator Requirements
- Should a professional utilize the ASD (“Allowable Stress Design”) method or the LRFD (“Load Resistance Factored Design”) method when calculating the required wind pressure for use with tested / approved systems?
- Requirements of Substituting Glass Panels In Insulating Glass Systems
- Can you substitute spacers for insulating glass units (IGU)?
