Are any types of cable resistant to damage over time due to contact with EPS and/or mortar. If so ... how do I identify?
I am asking this as electrician first-fixing my conservatory mentioned something or other (I forget what!) when I suggested not stuffing ordinary t+e next to the EPS insulation and mortar.
Ordinary looking t+e is now stuffed next to EPS and may be in contact with mortar. Hmmmmmm....
TIA & Regards,
Alex.
PVC and Butyl coatings all break down through time, and more so if in contact with mineral salts in stone or the like. That's why it's always advisable to make cables good in a pipe when it passes through walls and things.
You should also make sure that no rough, jagged edges on stonework or brick can cause damage to the cables, especially if the cables may have loadings that cause them to expand and contract in differing temperature conditions.
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