Hi, my wife and I are looking to buy a 1950 BISF house semi in Dundee. Just wondering whether anyone had any issues drilling a ventilation hole for a tumble dryer?

Any advice would be much appreciated.


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Hello Matt & Welcome

There shouldn’t be any issue drilling a hole for you tumble dryer vent, you just need to make sure that you’re not drilling in an area where a Stanchion might be located. It’s not difficult to determine though as the stanchions run vertically along the sides of the windows of the house. In effect the window frames are suspended between the stanchion columns.

As for drilling through the render on the lower half of the property, again this should be no problem providing that from the outside, the render appears to be in good condition with no horizontal cracking.

From the inside you would first drill through the hardboard or plasterboard then pass through the cavity which contains a small amount of insulation and then you will reach the rendered outer wall. Despite this wall containing some steel mesh onto which the render sits, it’s normally fine to drill through using a standard diamond core drill of adequate dimension. (Similar to that shown on the video link below).

The video shows a solid wall being drilled but in essence the process is still the same.

Personally though, I prefer using a condensing tumble dryer which doesn’t require any exterior vent.

I hope this helps


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