Tag Archives: ceilings

Vijf dingen om te weten over een typisch Portugees dak, typisch dakontwerp, het kopen van een huis in Portugal, how to plaster an old Portuguese house, length of concrete floor joists in Portugal, building materials Portugal, reclaimed building materials Portugal, how to build a first floor deck, recommended insulation for walls in Portugal, Portuguese outside paint, tiles for external terrace, ways of building well insulated house walls, house painting Portugal, staircases for small spaces, German terrace tiling, sandwich panels – Portugal, how to fit a damp proof membrane, Portuguese outside paint, plaster boarding old stone house Castelo construction, central Portugal construction, building costs in Portugal, cost of building a house in Portugal, how are houses built in Portugal, how much to build a house in Portugal, insulate a stone house, home insulation in Algarve, Portugal house plan, how much would it cost to build a house in Portugal, heating firms in central Portugal sun shades outside of the house, rising damp in villa in Portugal, house cracks in Portugal, rain damage to stone house, leaking in house from rain. roof tile sagging in bedroom, rising damp in villa in Portugal how to build a sun shade, modern weather shades for building porch, pergolas rustica, wood sun shade, sun shades outside of the house, pergola uk, wood pergola and glass, sun shades for pergola rustic wooden post pergola, pergolen, glass pergola, alpendres

Vijf dingen om te weten over een typisch Portugees dak, typisch dakontwerp, het kopen van een huis in Portugal

Vijf dingen om te weten over een typisch Portugees dak, typisch dakontwerp, het kopen van een huis in Portugal

Vijf dingen om te weten over een typisch Portugees dak

Dit dakontwerp en constructie is zeer typerend voor Portugese huizen die de laatste 100 jaar zijn gebouwd.

Wat moet je weten als je een huis hebt gekocht of een huis in Portugal koopt?

Het dak is gemaakt van hout. De grote ronde paal bovenaan de foto is een hele boom en het is Eucalyptus. De ronde paal lager op de foto is een dakgording en is ook Eucalyptus. Dit vertelt ons dat het dak in het verleden is vervangen.

De dakbalken, die onder een hoek aan elke kant van het dak lopen, zijn ook gezaagde Eucalyptus en ze zijn veel te dun en zwak om op een dak te gebruiken, wat resulteert in een dak dat zal buigen bij harde wind en stormen die dakpannen kunnen losmaken en / of Maak ze stuk.

De tegellatten zijn gemaakt van Portugees grenen en zijn zeer gevoelig voor houtwormaanvallen. Hierdoor kan een dakpan doorgaans worden verplaatst en kan regenwater de dakbalken en gordingen doordrenken, waar ze elkaar tegen de muren van het huis ontmoeten. Het vocht roteert uit de uiteinden van de balken en gordingen waardoor daken inzakken.

De dakpannen worden vaak in een te ondiepe hoek gelegd, zodat ze niet goed kunnen werken, waardoor regen eronder terug kan blazen en op het dakhout kan rotten. Je zult ook op de foto zien dat je daglicht kunt zien door gaten in de dakpannen. Door deze gaten zal ook de ruimte op het dak regenen.

Hier is een voorbeeld van een dak dat Castelo Construction heeft gebouwd met correct bemeten hout dat generaties lang meegaat.


00351 927168247

www.casteloconstruction.com

kelvin@casteloconstruction.com

Vijf dingen om te weten over een typisch Portugees dak, typisch dakontwerp

Answers to your questions

Answers to your questions

Here are my answers to your question.

“I also wonder what general advice you can give us on a future thermal insulation of this house, not the walls, only the roof.”

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Insulating a new roof

Insulation – To answer your question it is important to understand that not all insulation products are equal in terms of, price, performance, availability, and suitability for all application areas.

Yes, I too used to think insulation was simple to understand.

Insulation comes in all sorts of mediums and materials. Some are cheap or free and some are expensive and only work in certain situations.

Now let’s get to the specific question.

If you are going to only use the roof/ loft area as a store I would suggest using any of these products but only after the woodworm in the roof spars, purlins and joists have been properly treated and any broken roof tiles replaced.

Rockwool / Earth wool attic insulation.

Expanded-cork-granules (a Portuguese product)
http://www.kay-metzeler.com/

Prowarm Backer-Pro Insulation Board

https://www.prowarm.com/products/insulation-boards

Many people dream of buying a property next to a lake or river in rural Portugal. castelo construction

Rain pouring into homes

Rain pouring into their home

 

The winter is on its way at last and we are suffering rain pouring into homes, storm force winds and heavy rain with occasional hailstones so it won’t be long before we receive calls from people who say they have rain pouring into their homes.

 

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Rain pouring into their home

We all rest easy here in Portugal during the long spring and summer month. Our motivation is to find shade not think about rain and hour home flooding or leaking.

That’s why it’s a shock to the system when it actually happens.

Rains pouring into their home where does it come from

 

The roof,

Adjoining buildings

Under the external doors

Through the window frames

Through the floor

These are the most likely problem areas –

Missing or broken roof tiles, Bent or rusted through roof flashings, Blocked gutters, and downpipes. Miss aligner roof tiles due to the roof timbers sagging.

Adjoining buildings – usually, it’s down to bent or rusted through flashings between the two houses, it could also be caused by an internal rainwater pipe built into the wall.

Under the external doors – Portuguese doors rarely incorporate a thresh system and use a piece of stone or marble. The wind can simply blow the water under the door. You can install a thresh by simply cutting the door and installing one underneath.

Through the window frames – The window frames in Portuguese houses and apartments are fitted with a damp proof course around them like they are in the UK. They rely on a thin bead of silicon sealer the keep out the rain. Trouble is these silicon joints are often applied to damp stone or render so don’t stick properly. You may have to cut them out and reapply silicon on a warm dry day.

Through the floor – This is usually the most problematic area. We are used to damp floors here in old houses and some more recent builds!. The floor will not have had a damp proof course installed so when there is a sudden downpour rain from outside cam come under the house and appear in pools on your ground floors. This problem can be treated but it is very disruptive and costly. Insist on a damp proof membrane being installed.