Roof Defect Guidance For Professional Specifiers
Technical analysis of common indsutrial roofing defects produced by Liquail’s own specialist roofing surveyors & coating inspectors.
Impartial, technical guidance on identifying, diagnosing and treating the most common defects found on industrial metal & asbestos cement roof systems and gutters.
Each topic reflects Liquasil’s surveying heritage and hands-on experience with dilapidations, roof inspections, and roof refurbishment specifications.
Help For Specifiers
Where appropriate, each of our roof defect pages contains a specification paragraph that can be copied and pasted directly into your own tender documents.
If you think you might need a custom-made specification, our team will be happy to review your survey images and create a site-specific document for your use. There is no charge for this service as we want to help you ensure that your roof coating project is successful.
Metal Roof Defects Guidance
Best Practice Guidance
Underside Corrosion to Metal Roof Sheets
Guidance on concealed corrosion mechanisms beneath overlapping steel roof sheets and their implications for refurbishment.
Treating Mid-Lap Corrosion
Mid-lap corrosion is often treated in a blanket fashion that can create a latent defect and cause greater damage to a metal roof.
Treating End-Lap Corrosion
Guidance on treating end-lap corrosion on pitched metal roofs. How to identify, prepare and treat this common defect.
Metal Roof Fixings
Identifying and understanding defects surrounding the fixings on pitched metal roofs. A guide for dilapidations, condition and acquisition surveyors.
Industrial Gutters
Discusses the advantages of liquid gutter liner systems and how to properly install them to ensure a permanent and long-term solution for industrial gutters.
Silicone v Hybrid or STP Coatings
Silicone coatings provide a reliable and robust way of refurbishing pitched metal roofs. Hybrid STP polymer coatings are also available, but which is best?
How To Conduct Metal Roof Inspections
Guidance on how to conduct formal & professional metal roof inspections. A guide for surveyors on process and reporting strategy.
Best Practice for Lining Industrial Gutters
A surveyor’s guide to inspection and specification of industrial gutter lining systems. Understand the issues concerning industrial guttering and specify the right solution every time.