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by dormermike
Thu Feb 24, 2011 8:41 am
Forum: Brickwork and Blockwork Forum
Topic: repointing vs existing bituminastic DPC
Replies: 2
Views: 3812

dormermike, If the existing mortar is soft and it can be raked out without damaging the DPC then yes it is worth doing. If the mortar is hard raking out will remove some of the DPC and may give you problems with damp. end Thanks stoneyboy From what i can tell there doesnt seem to be mortar on the l...
by dormermike
Mon Feb 21, 2011 11:12 pm
Forum: Brickwork and Blockwork Forum
Topic: repointing vs existing bituminastic DPC
Replies: 2
Views: 3812

repointing vs existing bituminastic DPC

Hi There I'm having the bottom few rows of brickwork in front of two bays repointed, and quite clearly the bituminastic DPC (original, circa 1930's) is visible. The pointing is in very poor condition and is original black mortar variety. I've had a very good quote for someone to come in and repoint ...
by dormermike
Wed Jan 05, 2011 2:06 pm
Forum: Builders and Builders Merchants Forum
Topic: Extension boundary hollow
Replies: 3
Views: 3300

Thanks for the reply.

Do you think its OK to leave it and see what happens?
by dormermike
Tue Jan 04, 2011 10:24 pm
Forum: Builders and Builders Merchants Forum
Topic: Extension boundary hollow
Replies: 3
Views: 3300

Extension boundary hollow

Hi I have an bungalow which was extended about 15 years ago. At the "join" of the original building to the extension a crack is present - it may have been there a long time and the surveyor did say no structual defects are present. However, i've recently become more aware of the crack as I...
by dormermike
Sat Nov 20, 2010 1:54 pm
Forum: Plumbing Forum
Topic: Odd CH system problem
Replies: 4
Views: 3012

OK Thanks

I've put a new ball valve on the water tank, and set it so the stored water level is lower.

Cheers.
by dormermike
Sat Nov 20, 2010 12:13 am
Forum: Damp and Damp Proofing Forum
Topic: Damp at base of wall, DPC above internal floor level
Replies: 15
Views: 23751

I think i may have made a breakthrough with this. Can anybody advise if the following sounds plausible please? To set the scene: The front bays are not insulated, yet all the other walls are. The base of the bays is the worst for damp, apart from one wall in the front room either side of what appear...
by dormermike
Thu Nov 18, 2010 9:31 pm
Forum: Damp and Damp Proofing Forum
Topic: waterdroplets on new cement
Replies: 0
Views: 2027

waterdroplets on new cement

Hi I am repairing a concrete floor with waterproof cement, up against the lower part of a wall which has some damp (not sure if penetrating or rising). The purpose of the repair is to block off a hole, and also some of the concrete floor had previously been repaired but was crumbling away. Anyway, I...
by dormermike
Mon Nov 15, 2010 8:02 pm
Forum: Plumbing Forum
Topic: Odd CH system problem
Replies: 4
Views: 3012

Thanks - will try that

Whats an IV?
by dormermike
Sun Nov 14, 2010 7:16 pm
Forum: Damp and Damp Proofing Forum
Topic: Damp at base of wall, DPC above internal floor level
Replies: 15
Views: 23751

Hi, Just reading the history on your damp problem and I suggest you never try to seal away a damp patch, it really won't work. the only sustainable method is to allow it to breathe, which it sounds like you have done by removing the loose material. Give it a chance to dry first. reducing ground lev...
by dormermike
Fri Nov 12, 2010 11:53 pm
Forum: Plumbing Forum
Topic: Odd CH system problem
Replies: 4
Views: 3012

Odd CH system problem

On two occasions we've left our heating + hot water system switched off whilst going on holiday (a week each time) and on both times when the heating has been switched back on, the water tank (main one) has overflowed abrubtely... spitting the water out of the external overflow. I'm just curious why...
by dormermike
Fri Nov 12, 2010 8:59 pm
Forum: Damp and Damp Proofing Forum
Topic: Damp at base of wall, DPC above internal floor level
Replies: 15
Views: 23751

Hi Stoneyboy Sorry, I didn't see your reply. I have been progressing with this... I didn't use hot bitumen i am using a roofing felt adhesive. Not sure if it is water based but it is going on well. Curiously where i've painted it, the the damp has improved no end on the unpainted parts. I think your...
by dormermike
Fri Oct 22, 2010 12:04 pm
Forum: Damp and Damp Proofing Forum
Topic: Damp at base of wall, DPC above internal floor level
Replies: 15
Views: 23751

OK for anyone interested, I had a damp company come along and give advice, and also a very trusted builder. I appreciate its easier to give advice when the problem is right in front of you, and hopefully this thread helps someone someday which after all is the point of forums. The builder said that ...
by dormermike
Sat Oct 16, 2010 3:51 pm
Forum: Damp and Damp Proofing Forum
Topic: Damp at base of wall, DPC above internal floor level
Replies: 15
Views: 23751

OK thanks chaps

Due to slightly conflicting views i've asked for damp experts to come and do a survey.

Will post back what they say
by dormermike
Thu Oct 14, 2010 11:39 am
Forum: Damp and Damp Proofing Forum
Topic: Damp at base of wall, DPC above internal floor level
Replies: 15
Views: 23751

Stoneyboy many thanks, I did wonder about that. I have noticed the exterior pointing is awful with massive gaps so wont be helping.. i'll get that sorted, plus im getting a damp "expert" in to see what they say. I'll then consider painting bitumen up to the DPC as you suggest.. Any ideas w...
by dormermike
Mon Oct 11, 2010 10:33 am
Forum: Brickwork and Blockwork Forum
Topic: Damp inside bays - poor pointing
Replies: 0
Views: 2658

Damp inside bays - poor pointing

Hi Sorry if this is a silly question, but I am investigating damp on the inside of two bays of my house. The bays are double skinned. The outer / external wall pointing at the level above and below the DPC is very poor, with large gaps in a few places and also around the vents. Is it possible this p...
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