Damp – Causes and Prevention Survey
Damp causes and prevention survey Damp – The Normal levels of damp – Plaster – .2-1% LIghweight concrete – >5% Timber 10 – 20% Test for Damp: By sight, smell, possibly taste, touch and sound. A calibrated damp meter should be used as follows: Electrical Capacitance as a guide to damp below the surface and when located […]
Cracks Survey
Cracks Survey Cracks in Buildings are caused by: Thermal expansion Moisture expansion Chemical expansion Subsidence and heave Adjacent Excavations Mining Foundation movementTimber rot within the supporting structureRemoving structural supportDrains Vegetation growth Inadequate Design