fitting a wooden tread plate over damp course

[Andy Whitby]

Hi,

I've had an extension built, and i'm replacing an external door frame with an internal door frame, the doorway between the rooms has the damp course showing, can i just screw down a wooden tredplate or should i screed over the damp course?

any advice would be great

 

[Andy Whitby]

Photo

Untitled

• Andy Whitby
• 8 Sep 2010
• 1

 

[Deluks]

You'll probably be ok screwing down into this if it's dry underneath. I'd use a blob of silicone or a layer of bitumen felt after predrilling and inserting the plugs.
Where's the dpm for the new addition? It should've been brought up to meet this.

 

[Andy Whitby]

Thanks for that, is the layer of felt just to spread the weight when stood on?

Yeah the dpm is cut flush to the floor level that’s just been finished.