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by no1son
Thu Dec 04, 2008 11:06 pm
Forum: Damp and Damp Proofing Forum
Topic: Treating joists
Replies: 3
Views: 2849

There is actually a surveyor checking joists under the floor boards,what is this world coming to,Iwonder if they will start refunding the VAT.Unless they request it be done and there is no problems then leave well alone.If you are unsure treat the joists with a timber preservative.
by no1son
Thu Dec 04, 2008 10:46 pm
Forum: Damp and Damp Proofing Forum
Topic: damp 'slime'
Replies: 5
Views: 3172

Greg,positioning of the vents should be, a) approx 12" from floor level above skirting boards for the lower vent with the angled face pointing downward.b) The second higher vent should terminate as high as is possible external to the property and not in the loft space. If, as you say,the chimne...
by no1son
Thu Dec 04, 2008 12:15 am
Forum: Damp and Damp Proofing Forum
Topic: water on walls
Replies: 10
Views: 12039

Further to your Dec 01 reply,when the fireplaces were removed and the double glazing installed the only form of adequate ventilation was removed.If you install air vents in the boarded up openings and air vents in the wall space below the windows you should see a marked improvement,the installation ...
by no1son
Wed Dec 03, 2008 11:40 pm
Forum: Damp and Damp Proofing Forum
Topic: damp 'slime'
Replies: 5
Views: 3172

You do not mention if this chimney is in use or not but I recollect a job I did a few years ago on a coal fired boiler which utilised the chimney for its flue.Smoke from the flue had been entering the room where the boiler was located for a number of years but the old farmer put up with it.When I ch...
by no1son
Wed Dec 03, 2008 11:02 pm
Forum: Damp and Damp Proofing Forum
Topic: Mould growing on bedroom ceiling
Replies: 2
Views: 4466

the favourite for this is roof problems or gutters /rainwater pipes.I generally steady the ladder for my dear mama when she checks ours every year.Get a professional in unless you are confident.
by no1son
Thu Nov 27, 2008 10:01 pm
Forum: Damp and Damp Proofing Forum
Topic: Damp upstairs and down, help and advice please
Replies: 5
Views: 4955

damp up and down

my reading of this is damp on chimney breast walls both upstairs and down,if this is the case i would investigate what they both have in common ie the stack,if the flues are open to the elements have them capped with a flue vent/cowl and point the stack if needed.you say B/Gas said no leaks so you h...
by no1son
Thu Nov 27, 2008 9:12 pm
Forum: Damp and Damp Proofing Forum
Topic: Leaky walls!
Replies: 3
Views: 3199

leaky walls

there is a possibility the property is suffering from hydroscopic salts ask your local rentokill man to investigate the survey should be free.first indications are damp patches at any height on any wall and are not localised these hydroscopic salts are water bearing,as the name implies,and they love...
by no1son
Tue Nov 25, 2008 10:55 pm
Forum: Damp and Damp Proofing Forum
Topic: Damp on interior walls from chimney breast.
Replies: 2
Views: 4732

damp on interior walls boarded up fire openings

a ventilation opening is needed for each boarded up fireplace and an additional vent at the top of the stack,it would be advisable to vent the stack with an airbrick first to reduce the risk of any soot fall entering internal rooms.any black mould appearing should be treated with a mould killer and ...
by no1son
Tue Nov 25, 2008 10:36 pm
Forum: Damp and Damp Proofing Forum
Topic: Basement Conversion
Replies: 5
Views: 4022

basement conversion

tanalised lathes at 400mm centres covered over with visqueen to hold back any problems insulate with polystyrene sheeting(20mm) finish off with moisture resistant plasterboards skimmed to 3mm,use drywall screws rather than clout nails in case you disturb the lathes.
by no1son
Tue Nov 25, 2008 10:23 pm
Forum: Damp and Damp Proofing Forum
Topic: rain on internal wall
Replies: 2
Views: 3072

rain on internal walls

check roof for missing/broken tiles/slates and underfelt,check for blocked gutters/rainwater pipes,always remember water travels.
by no1son
Tue Nov 25, 2008 10:09 pm
Forum: Damp and Damp Proofing Forum
Topic: water on walls
Replies: 10
Views: 12039

water on walls

what type of brickwork/stonework is the property built,it sounds like 2 problems with condensation being secondary and easier to remedy.what age is the property and does it have a cavity.
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