Drimaster - Does It Work?

[nilrac52]

Not that long ago I sought AB help with a mouldy mattress. Part of the problem was condensation behind two built in wardrobes in a bedroom. The wardrobes were built on an exterior wall. Since then the wardrobes have been removed and the wall is now clear. However there is still mould and condensation forming at the top corner of this exterior wall. I have tried to prevent this by using the Aero 360 system but no success. I have read about the Drimaster system but local installers are quoting £300. I don't mind paying this as long as it works. Has any AB contributors installed Drimaster? Any opinions on the system? Thanks for your help.

[melv16]

My daughter bought a cheap dehumidifier for her kitchen, which happens to be in a large conservatory. It works a treat.

[Dodger666]

Are you sure the mould isn't being caused by faulty brickwork etc?

[nilrac52]

Melv 16. Dehumidifier does not work unfortunately.

Dodger666 - Well yes I am fairly sure. I had a handyman person check all around loft and outside at tiles, fascia and plaster. There were no obvious signs. Unless there is damage under the plaster but how would I identity that?

[alavahalf]

What are the exterior walls constructed of ?
Are the gutters leaking ?

In the loft is there gaps for air to flow across ... you don't happen to have too much insulation stopping the cross flow above the soffits do you.
Since we have had these energy efficiency promotions, I have seen this problem quite a few times, where the installers get a bit enthusiastic and just over insulate and get rid of the excess rolls of insulation, rather than take them back out to the van.
I would doubt the plaster (internal wall) has anything to do with it. The damp has to be coming from outside or above.

[nilrac52]

Thanks Alavahalf l will get a check done on the insulation. There is definitely no leak in the guttering. I assumed it was condensation resulting from internal hot air from cooking, showering etc hitting the cold exterior wall.

[The Builder]

I wouldn't want to argue with anything Homer suggests. It could indeed be a rainwater problem.

I had one a few weeks ago. Same thing- wardrobes. Nice warm storage heaters, but acres of wet washing hanging on them. My first thought, always, is condensation.

I re-located the wardrobes, insulated and plastered the wall (interior), and fitted a vent in the ceiling, ducted through to outside. The vent (15mm square) isn't pretty, but it's an uphill struggle to get people to extract water vapour properly (showers; gas cookers; washing etc etc).

Do check on the things Homer mentioned though. They are often the culprits.

[The Builder]

Ahem.............. ^^^ small vent. Should be 150mm square.

[nilrac52]

Thanks Builder. Certainly further investigation required. Obviously not as straightforward as I thought.