104R: Damp after poor roofing work
Over eager roofers upselling some work to the roof valley, ended up blocking the gutter and dampening both neighbours front walls.
penetrating damp
104Q: Rental with three types of damp
Look under a property where there is a suspicion of rising damp and where possible.
Many of the clues and risks will be under the floorboard.
104O: Tenants suspect rising damp
This property was recently chemically damp proofed but remains damp, as rising damp was not, and very rarely ever is the root cause.
104M: Recent purchase penetrating rising damp
Carefully get into eaves above a damp patch. Visit the neighbours. Measure sub-floor humidity through a crack in the floor.
104I: Damage following rising damp treatment
Look for past damp proofing treatment, these can cause damp issues as water, can’t absorb and evaporate water safely away.
103H: Recent purchase deciding to chemically damp proof or not
This recently purchased Victorian was renegotiated for rising damp treatment, but the new owner had suspicions, so asked for a second opinion.
103W: £20K saved by unblocking drain
Victorian house with quote for £20K Kenwood chemical damp treatment turned out to be a blocked drain. Additional damp from vapour & roof leak.
103I: recent purchase deciding to chemically damp proof of not
Mould on the first floor. Radiator had been turned off – easy fix. Dehumidifier, insulation, anti-mould paint and ventilation longer term fix.
103H: Chimney, roof leak and poor ventilation
Two damp issues; (1) rain from chimney, flaunching, roof leak (2) vapour, mould, condensation from: extractor fan (fixed) kitchen & fish tank
103G: Render crack and hygroscopic salts
Determining causes when two are mixed together. Penetrating damp from render cracks mixed with hygroscopic salts from the chimney breast.