Questions tagged [damp-proof-course]

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15 views

Damp exterior bricks near the roof and windows

I been looking everywhere. Some say it could be a drainage issue or mold. Would anyone know what could cause this discoloration?
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24 views

How do I render over a DPC (damp proof course) Fragmented brick work to be covered

All I have seen comments that this shouldn't be done and I would agree but I have a similar issue to one of the other poster. When the render has been removed some of the brick work has also ...
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44 views

insulating under stair

Following on from my another question, I'm now looking to add insulation to my under stair storage cupboard. I want to add insulation to the back wall and floor. There is a damp proof course on the ...
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1answer
52 views

How to determine if damp smell, marks, cracks, mould, on internal walls is from; rising damp : condensation or other

I live on the ground floor of an art deco complex, with 2 apartments above me. We have lived here for almost 13 years and have never had a problem with damp / mould issues....other than our bathroom ...
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2answers
36 views

Can a wood cabin be laid directly on a existing concrete foundation if a DPC is added?

I am figuring out the foundation for a small wood cabin for my back garden, due to height being a premium I was wondering if I could put the wood directly on an existing garage foundation. Providing I ...
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0answers
41 views

DPC around a window (UK)

I had an integrated garage in the house. I have recently had a builder come and replace the garage door with a brick wall and a large bay window as I plan to turn this garage into an office. I have ...
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250 views

Lay a damp proof membrane followed by a self levelling compound

I have an uneven concrete floor inside. I need to put down a damp proof membrane and self levelling compound on top of that. My questions are: Is there any reason to use a roll of DPM vs a liquid one ...
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1answer
32 views

Dry Rods for Rising Damp

I have installed dry rods for rising damp on on the outside of my property. I wanted to ask the holes, should they be left open of filled with something like polyfiller? Thanks
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1answer
309 views

Damp proofing a single-skin outbuilding for batten & insulation

I have a small outbuilding (~2m x 4.5m) which I currently use for storing tools and my bicycle. It's a semi-detached single-skin construction with a concrete roof, concrete floor and single-skin brick ...
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1answer
837 views

What to do about gap in bottom of plasterboard wall when fitting floating floor (UK)

I have removed the skirting boards in my new build house, as I am going to fit engineered wood floor via the floating method. The issue I have is that after removing the skirting, I was presented ...
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1answer
521 views

Can I remove excess damp proof membrane under garage concrete floor?

I recently moved into a house with a garage at the bottom of the garden which has a damp proof membrane (DPM) that protrudes out at the base of every wall by approx 4 to 5 inches. Can I safely trim ...
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0answers
494 views

Where did the water under my basement floor come from?

I have just bought a house that had a continuous engineered oak flooring downstairs. There was an obvious buckle in the floor in the hall, at the centre of the house that we were told by surveyor/...
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1answer
402 views

Has the DPC (damp proof course) failed if moisture is showing above paint?

We have just purchased our first house (hooray) and uncovered a few gremlins the home buyers report failed to pick-up. There was some damp on the wall behind a sofa in one room (which failed to get ...
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2answers
13k views

What can I do about a house with internal concrete floor with no DPM?

My partner and I have just bought our first home.A 1950's bungalow which is need of refurbishment. So far it has thrown us a ton of surprises! The worst so far being the floor in one of the bedrooms. ...
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3answers
191 views

Dealing with nicotine stains in a Victorian property

I am just in the process of buying an old property, previously lived in by heavy smokers. What is the best way to clean and prime walls to prevent nicotine stain recurrence in a solid brick Victorian ...
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2answers
3k views

What is causing a wet patch on an internal wall?

We recently bought and moved in to a house. It's 16 years old. One of our walls has developed a patch of wetness. This wall is part of what was once the garage, and has since been converted into a ...
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1answer
1k views

What should I do about my rendering & damp-proof course?

I have a house that was built around 1890 and is of brick construction with a rendered band running around the base which also forms square edged columns around the front door. Until recently the ...
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2answers
5k views

Is snow piled against the outer wall likely to cause damp?

My question is basically that recently we have had a lot of snow, some of it is high enough to be over the damp-proof course (DPC). Should I be worried about this, or would damp penetration take ...
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2answers
2k views

Appearance of damp after dpc injection - can “good enough” plaster go soft?

Approximately 1 year ago we had a wall treated with damp proof course injections (silicone I believe) and we then rendered with a mixture including a relatively strong mix of good waterproofer. ...
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1answer
1k views

How can I damp proof this wall?

I have stripped plaster from our dining room walls to reveal the brickwork in preparation for plasterboard and skimming. The room features one main exterior wall and an adjoining wall. Prior to ...
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2answers
14k views

How do I render over a DPC (damp proof course)?

We own a 1930 house we cavity brick walls and have a few damp problems.., Our render goes over the top of our DPC (damp proof course). The DPC is only about 1cm above the level of the paving. So I ...
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2answers
9k views

How do I fit a drain gully when the drain pipe is very close to the surface?

I wish to lower some paving round my house, as it is too close to the DPC (damp-proof course). However the drain pipe will not be very far under the new level of the new paving. Therefore how can ...