Unidentified spots -any ideas what this is and how I would treat it. In holiday home built 2007. More spots developed over last 2 years. ThankS

[Marnigel]

You have reached the maximum number of views available on this site without registering.

 

[Stevieo]

You have reached the maximum number of views available on this site without registering.

 

[MakeItSmooth]

You have reached the maximum number of views available on this site without registering.

 

[JessThePlasterer]

You have reached the maximum number of views available on this site without registering.

 

[Stevieo]

You have reached the maximum number of views available on this site without registering.

 

[JessThePlasterer]

You have reached the maximum number of views available on this site without registering.

 

[Loz Elliott]

You have reached the maximum number of views available on this site without registering.

 

[Brimstone]

You have reached the maximum number of views available on this site without registering.

 

[BryanJ]

You have reached the maximum number of views available on this site without registering.