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

Rain pouring into their home

Rain pouring into their home

 

The winter is on its way at last and we are suffering 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.

 

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making your new home in Portugal special

Making your new home in Portugal special

 We would all like a few ideas,hacks or instructions on how to make our new home in Portugal special.

You can safely leave the quality of build up to us and when we hand over your new home, refurbishment project or extension there are some things that you can do which can make such a huge difference to the impression that your new home delivers.

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your new home in Portugal

1, Get your interior design head on – well in advance, even before we lay a brick.

The standard internal colour of paint here is white for walls and ceilings but it doesn’t have to be.

If you were to open up a pintrest account you would have access to actual interior design ideas that would transform your white box rooms into beautiful examples of your personality.

I particularly like pintrest because you can pick and mix colours, textures, materials and

furniture styles without being an interior design expert.

Traditionally called an ideas board or scrapbook. They can be looked at over and over and commented on by your friends and family.

We are happy to apply the colours and finishes that you choose.

The benefit of good colour balance was really brought home to me recently when I was walking around a clients home. The painters were in and although I remembered that the original colour was a kind of off white and I could see the painters applying the new paint I could not remember the original colour as the new colour looked so right.

It played well in the space and with the natural light. It was only when I went into a partly painted room that I could see the distinct difference between the two. The new colour was actually a very light grey satin (the colour the specific colour code of which i will be copying for my own home!.)

Its nice to have creative clients!

Render Problems

Render problems are very common in Portugal.

Cement, lime-cement and mud renders are used widely in Portugal virtually every home has some kind of render or another.

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Render problems

Render often hides and even causes many problems for the home owner in Portugal.

Before we can understand the problems associated with render we need to understand what render is used for.

 


Render is applied to the outside of buildings to keep out the rain and cold drafts and for protecting the structure of the building from the weather.

What it should not be used for is keeping out rising damp or to strengthen a weakly constructed wall.

What are the main problems with render.

Firstly that the mix of ingredients which make up the render could have been wrong in the first place.

Render being applied on the wrong type of surface, previously painted walls or ceilings, structures that are prone to movement or vibration. Used to hold back water ingress.

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Render on top of old painted render

 

 

Washed out Render is often hollow sounding if you tap it with your knuckle. It has allowed the rain and weather to go in behind the render and sit between the house wall and the render. This water slowly leaches a lot of the minerals out of the render which makes it weak and crumbly.

 

 

 

 

Crazed and Cracked render like this
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House with render problems tarted up to sell

is caused by the effect of weather and the protective paint being washed off. As a result the rain gets inside the render and with a little freeze thaw activity it eventually goes from a small crack to a fully crazed wall.

The only solution is to chip off the old render and re render again.

A good idea if you are faced with this problem is to cover the external walls of your house with insulation and re render with a modern self coloured acrylic render which will not need painting for ten years.

External insulation

External insulation

If you go this route you achieve a dry warm home that will be nice and cool in the winter and cheep to heat in the winter.

“Blown render” is often referred to by people who don’t know what it is.

When render is “Blown” as the trade call it. It is where a section of render has come unstuck from the house wall and sometimes takes on the form of a bulge in the outside surface. There are two causes.

Either the render was put on top of something unsuitable like a painted wall, oil contaminated or movable structure such as shrinking wood or bricks that were not bonded together. Blown render is basically render that has become unstuck and is not supported by the wall as it should be.
To repair it you simply hack it off back to soundly secured render and then re render.

The solution for washed out, crazed, cracked, blown or crumbling render is to remove it. Make the structural repairs that are necessary and replace it with new render or external insulation as described above.

If you are worried about cracks in the render on your home or a home that you want to purchase contact Castelo Construction for a straightforward opinion and advice.

Email    info@casteloconstruction.com

 

check out our website www.casteloconstruction.com