Virgin Media cable box and damp ?

NeverEden

Distinguished Member
Hi All

We have a set of drawer units in our living room and since removing the virgin cable box which houses the cable we've always felt some kind of draft in that area and smell of mould. In the last few months with the rain we've also noticed a patch of damp developing on the walls. Today, we decided to remove the drawers and alas there looks to be damp. We noticed rainwater dripping off the end of the cable that was running into the house, also cold draught coming from the hole.

We would automatically assume its this, however, just under that part of the internal wall we noticed water. With that, would it be correct to assume that the windy rainwater has entered the hole where the cable is installed then some has fallen through and penetrated down the wall as well as out the cable? Pics attached to give some clarity.

We will be calling a damp specialist in but in case theyre busy would it be right to spray the hole throughly with foam?

A quick google search shows this to be a prevalent issue

Excuse the wire wool, rodent protection in case !

1638736470192.png
 
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noiseboy72

Distinguished Member
Yes, very likely the water is tracking along the cable. Make sure there's a drip loop on the outside part of the cable so that water is not able to run straight in, and use some quality filler to plug the gap. Foam should be ok for this.
 

NeverEden

Distinguished Member
Yes, very likely the water is tracking along the cable. Make sure there's a drip loop on the outside part of the cable so that water is not able to run straight in, and use some quality filler to plug the gap. Foam should be ok for this.
Thanks how has the water patched above it ? Also we have no use for the cable entry anymore so would be happy to block the entire hole up
 

noiseboy72

Distinguished Member
The plaster will absorb the damp and take the path of least resistance. Was there a box or cover fitted there? Capillary action can easily draw the water uphill against gravity.

If you don't need the hole, fill it with foam and caulk or mortar the outside hole to fully fill it.
 

NeverEden

Distinguished Member
The plaster will absorb the damp and take the path of least resistance. Was there a box or cover fitted there? Capillary action can easily draw the water uphill against gravity.

If you don't need the hole, fill it with foam and caulk or mortar the outside hole to fully fill it.
Yes, there used to be a virgin box. I'm confused as to how this has started to show now when we've had that installation for over 10 years. We have a damp specialist coming tomorrow, might as well attempt to get it right the first time
 

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