Notes from
the field.
Twenty years of inspections, written down. Technical guides, materials breakdowns and project stories from the people who run the work.
- All
- Industry Insights
- Technical Guide
- Project Stories
- Materials & Methods
Why Nigerian Buildings Leak Every Rainy Season - and What to Do About It
Every July, the same buildings flood. The problem is rarely the rain itself - it is design and material decisions made years earlier. Here is what we look for on inspection.
Technical GuideThe Real Cost of Roof Waterproofing in Nigeria (2026 Guide)
A flat roof in Lagos costs between ₦18,000 and ₦42,000 per square metre to waterproof properly in 2026. The spread is not a mistake - and it is what most clients get wrong.
Serotny CMS1 min
Technical GuideHow to Stop Basement Seepage Permanently in Nigerian Buildings
Most basement waterproofing in Nigeria fails because it is applied from the wrong side. The fix is harder than the original detail - but it is permanent.
Serotny CMS9 min
Technical GuideThe Complete Guide to Swimming Pool Waterproofing in Nigeria
Pools leak from two places - the shell, and the perimeter. The shell is engineering. The perimeter is detail. Most contractors get the second one wrong.
Serotny CMS7 min
Materials & MethodsChoosing the Right Waterproofing Membrane: Bituminous vs Liquid vs Cementitious
Three families of waterproofing membrane dominate Nigerian construction. Each one is right for a specific job - and badly wrong for the others.
Serotny CMS11 min
Industry InsightsModern Methods of Dam Seepage Control for African Climates
Dam seepage is a slow-burning structural emergency. The remediation depends on whether the dam is concrete or embankment - and where the seepage is coming from.
Serotny CMS12 min
Industry InsightsConcrete Anti-Corrosion in Coastal Nigeria: Lagos, Port Harcourt & Calabar
Salt-laden coastal air attacks reinforcement bars through cover concrete. By the time you see rust staining, you have already lost steel section. Here is how to get ahead of it.
Serotny CMS9 min
Industry Insights7 Signs Your Building Needs Structural Rehabilitation Urgently
Most buildings give years of warning before they fail structurally. Owners just do not know what to look for. Here are the seven signs we treat as urgent.
Serotny CMS6 min