Hi Sunstone
The cladding was 'faux brick', which is a pressed sand brick shape on an asbestos cement sheeting.
The first house was a yellow-brown colour, very dingy, although in perfect condition even though it was clad in 1972. I had briefly considered rendering over it, but all the windows were different types including louvres, so I removed it for a variety of reasons.
The 'medical centre' house was a white brick, also in perfect condition, but I noticed that the nails holding the sheeting on were standing proud in some areas, and again the windows (casement timber) weren't what I wanted for commercial use (powder coated aluminium awning).
Weatherboard houses are coming back into fashion, and are easy to decorate with fretwork, different paint etc, whereas the brick presentation tends to be a bit boring.
These houses were clad in the early 1970's, when paint products were still largely oil based and houses needed exterior painting every 5 to 10 years, depending on the aspect of the house. Modern acrylic eg Solargard, are guaranteed for 10 years and are much less work to maintain and repaint.
Even though I'm physically sanding every board it's really not such a big job (!!!) and the transformation is amazing. I'd be happy to buy more clad houses even if the boards weren't still there, and would certainly render the cement if it was the flat sheet type.
The insulation factor is nominal. It's more beneficial to line the eaves and seal the room vents than to try and estimate the R factor of a layer of 5mm cement sheet.
Vinyl wrap is slightly more aesthetically appealing without the disposal restrictions should you decide to 'peel' it off the house.
Cheers
Kristine