Black marks on your bathroom ceiling

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Black marks on your bathroom ceiling

Posted By Castelo Construction Lda in buying property in portugal, damp house, property problems, refurbishment March 12, 2015

Does your bathroom ceiling look like this – Black marks on your bathroom ceiling

You certainly don’t want it to be like this. Covered in black mold spores and humidity. How do we make a solution to the problem and save the house owners having to clean off the mold every month.

Fortunately in this particular situation there is a pretty easy solution.

First of all there was at least an attempt at expelling the humid air from the bathroom but it didn’t work very well as the fan was rattly and noisy so people turned it off.

It was also way too small to be effective and thirdly it did not have a corresponding air source into the bathroom so this weak little fan was having to work twice as hard and not actually doing anything other than just making a noise!

How should it be done?
Our recommendation to the client was to install a much more powerful and higher capacity fan with a humidity sensor. Not linked to the light switch.
Bathroom extractor fans are rated by the amount of air that they can pass through them in a set time usually an second.

So for instance if your bathroom is a typical 2.2 meters by 2 meters.
This would give you a floor area of 4.4 m2 and a cubic capacity of 6.16 M3 (cubic meters)
This is important because if you buy a fan with a low capacity then it will take a very long time to change the air in your bathroom and remove the humidity.

There are plenty of extractor fans available for under 60 Euros.
Make sure that you buy one with 21 to 30 liters a second capacity. These will change the air in the example bathroom above in about 5 minutes but you really want to be sure so the humidity sensor is better than a timer because the fan will work until the humidity is at the correct level.

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About Castelo Construction Lda

Castelo Construction Lda are builders in Central Portugal. We have 12 years’ experience of working with and delighting clients in Portugal. Tel 00351 927168247 or kelvin@casteloconstruction.com If you need an English speaking builder for renovation or new build work we will provide free estimates, fixed prices and carry out your work to a very high standard. Many of our clients are not in the country full time so rely on our regular photographic updates and written reports. They are always surprised when they make inspection visits. New Construction and Refurbishment of Portuguese Property It’s exciting for both our team and of course our clients to mark out on the earth the site of a new home. We will have been with them during the design process and have spoken to the architect many times so we will be comfortable with what we are about to do. For many clients, this stage is a little daunting as it’s hard to see without experience just where the house is going to be in relation to other things on the property. Once the foundations are dug out the house normally looks smaller than they thought, As the pillars and foundation wall start to go you get a much better idea of scale. You can see with your mind’s eye the location of the kitchen, bedrooms and so on. Once the walls are up and the first floor is in place the rooms start to looks smaller again (something to do with the light absorbing properties of the bricks) once the walls are plastered the rooms look a lot larger and it starts to feel more like the home our clients imagined building. As the build progresses we are involved with many specialist subcontractors and it is our job the get them on site at the right time so that the trades do not overlap and time is not wasted. Once the roof is on and tiled it is traditional in this area to have a dinner on site. Everyone who is involved in the build is invited to share a suckling pig dinner with local bread, oranges and of course wine. This is a great way for the clients to enjoy some local hospitality and meet the craftsmen who are building their new home. We also invite the near neighbors so that they get a chance to see what’s going on (when the house is at a very basic stage) and it gives our clients a relaxed opportunity to make their acquaintance. As we always accompany our clients to choose, kitchens, tiles, bathroom fittings or whatever they want. We can help with translation and of course negotiation! As the house is coming to completion we always have them professionally cleaned so that when we hand over the keys it feels more like a home than a building site. 2 months after the house is finished we are back to check for any small faults that may need attention and of course we are available to help and advise should that be needed. Central Portugal builders