Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [damp-proof-course]

28 questions
8
votes
1 answer

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 house had a concrete front garden that met the…
Gideon Purser
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4
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2 answers

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. After pulling up the old floor boards we found a…
davey
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4
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2 answers

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 I fit a drain gully when the outlet pipe is only…
Walker
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4
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3 answers

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 property? I am concerned that the normally…
New House Buyer
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3
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2 answers

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 longer than the snow takes to clear?
Paul Michaels
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3
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2 answers

Will I lose a ton of efficiency by removing the blue foam insulation from my unfinished basement?

My house inspection noted that the exposed blue foam insulation in my basement is not to code and (if there’s a fire) could be dangerous due to noxious fumes. The insurance provider has told me to remove it, or cover it with drywall to ensure…
user138192
3
votes
1 answer

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 this off without affecting the damp proofing? I…
Bendihossan
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Brick property - Building over Damp Proof Course (DPC) ? Protecting wall with Membrane?

Someone mentioned to me that you could build above the external Damp Proof Course (DPC) as long as you protected it with a membrane Damp Proof Membrane (DPM). Im not convinced and think this will cause issues long term and wanted some other peoples…
sam
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2
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2 answers

Advice on injectable silicone-based damp-proof course

I have a 140-year-old house of heavy masonry (bluestone/basalt) construction. It is built into the side of a hill with about 25% of the "basement" actually below ground level: You can probably guess where this is going - the basement has been…
Telescope2334
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1 answer

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 contacted building control at our local council and…
Mark Hayward
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2 answers

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. After a few months we started to see what appeared to…
Timbo
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1 answer

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 with these cavities at the base of the wall. They are…
123
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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 removing the plaster, both had noticeable damp (though…
Adam Houldsworth
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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 need to lower the paving (or put in a dry zone…
Walker
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Would a shed at the side of my house expose it to a risk of damp?

We're looking to maximise some garden/patio space by relocating our bike storage to a new shed at the side of our property. (See attached picture- apologies for the amateur editing!) The shed will sit close to the side wall of our house, and will…
James Wiseman
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