Various building/refurbishment questions – Building & Renovating – Expats Portugal Community Forum
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Various building/refurbishment questions  

Posts: 1238
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Joined: 13 years ago


We're currently getting quotes together for a refurbishment and partial new-build, and are getting conflicting suggestions from different builders. Seeing as most of the issues are outside of our previous experience (either 'cus they are "Portuguese" things, or things we didn't have in the UK) I wonder if anyone could give advice/experiences on these matters.

1) Insulation - we have a single storey house with a concrete slab between the ground floor and the loft. The roof is tiled with timber rafters and with currently no insulation. We do not intend to make the roof-space "usable", and I would prefer to keep the timbers visible for future checking/treatment. So far we've had suggested:

a) Take off all tiles, fit insulation panels on top of the rafters and then replace the tiles on top of the insulation;
b) Insulation panels fitted between the rafters, with possibly also boarding the underside of the rafters;
c) Insulation panels fitted to the top of the slab - ie, the "floor" of the roof-space;
d) Insulation fitted to the underside of the slab, in effect a false ceiling to all the ground-floor rooms.

2) Hot water system - the plans indicate a pumped circulation system, with the heat source being a gas boiler taking water heated by a solar panel. If I understand it correctly, this should have hot water circulating all the time, so we get instant hot water at the taps. Saves water, but will it be heavy on gas and electricity for heating/pumping?

3) Indoor pool (concrete construction):
a) Salt or Chlorine?
b) Vinyl-lined or mosaic-tiled?
On both of these aspects, we've had strong recommendations for each option.

Any comments greatly appreciated.



1 Reply
Posts: 136
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Estimable Member
Joined: 12 years ago

Can´t answer all your questions, but I had a concrete mosaic pool built around ten years ago. Almost immediately small tiles started coming off. I had the gaps replaced with new tiles in the third and fourth year. I then spent a lot of time using glue to reseat individual tiles until the year before last. In 2018 around a hundred individual tiles came off. Last year loads more and it was obviously leaking.It is now going to cost a fortune to sort it out. I will not be using any sort of tiles!!


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