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  1. J

    damp in concrete plinth

    Can I refer you back to my first post where I did explain why cement plinths were installed. If someone takes the time to give you advice then at least have the courtesy to read it.
  2. J

    Damp course injection kit hire

    The external render is a mess, no wonder the walls are damp. I am not convinced you are dealing with sandstone walls here. Also what are the internal floors, concrete or timber. What year was it constructed? My advice would be to expose an area of masonry below the render to see what you are...
  3. J

    Cost of building Garage... 27K?

    A very late response to the question regarding the cost of the dual pitch roof but this was the one area where I got a bargain. I reclaimed enough tiles from the original roof to cover one pitch of the new roof and bought new tiles for the other pitch. I paid around £600 for roof timbers and...
  4. J

    Party Wall Surveyor & Damage From Next Door

    Whether or not cracks are structural or only of a minor decorative nature is based on the BRE crack interpretation guide. This isn't a subjective issue and the guidance is very clear and I've inserted it below. Damage categories with descriptions of typical damage. Ease of repair in...
  5. J

    Asbestos liability/responsibility advice

    There is no basis for this claim. Even if you have not complied with your obligations under HSE guidelines (and I'm not sure that you did) you were not employed to carry out an asbestos survey. If you disturbed asbestos during works, or she thinks you did, then perhaps this is the basis of her...
  6. J

    Damp course injection kit hire

    I am quite staggered that anyone would consider hiring equipment and injecting walls in the absence of any evidence whatsoever that rising damp is present. Firstly, establish whether a physical damp proof course is present or not? How old is the property? Follow one of two golden rules, if a...
  7. J

    Re-pointing question

    I'm assuming from your comments that you're 100% that its a cavity wall? If so penetrating damp to the inner leaf would be unusual but can occur due to poorly installed wall ties or wet blown fibre wall insulation. The area in question by the way is the stairwell bulkhead. To prove penetrating...
  8. J

    damp in concrete plinth

    There is no benefit to having the plinth in the first place. All it does is prevent wall base ventilation and therefore evaporation of the moisture from the wall base. Prior to DPC's coming into common use is was not unusual to see brick plinths at wall base finished with a course of plinth...
  9. J

    Damp blocked off chimneys

    Properly decommissioning the chimneys involves capping the stacks off or installing a top hat over the pot to prevent rainwater ingress. You must then ensure that a robust through flow of air is maintained from top to bottom by installing a double air brick at the external foot of the stack and...
  10. J

    Great Wall pickups

    I remember that Great Wall were getting sued by some of its American distributors for exporting vehicles with asbestos in the brake and clutch linings, which in this day and age is incredible.
  11. J

    Damp on internal wall

    I can see why no one has responded. You think it's rising damp and are prepared to hire equipment and inject the walls based on your own guesswork? Read my article here first but don't do anything on the basis of guesswork...
  12. J

    Quatation For Basement Walls

    A word of warning, you can't simply accept the cheapest quote and get it built. There are a myriad of design considerations. Basements need careful design according to BS8102. I'm assuming that no detailed geological or hydrogeological assessment has been carried out and if so then your starting...
  13. J

    Advice on 60s staggered terrace house (Building Survey)

    Regarding the boiler, why worry about the installation certificate, simply get an annual gas safety check carried out, cost should be about £80 and you'll know if its dangerous. You probably have an open flued appliance which means that ******* The bottom line is that with a 15-20 year old...
  14. J

    Advice on 60s staggered terrace house (Building Survey)

    You seem to be asking a lot of questions that should have been answered in your survey report; in particular your report should have outlined repair options and advised on the consequences of not acting. Have a look at the RICS consumer guide for building surveys to see what should be...
  15. J

    sips panel.

    There are loads available on Ebay... here is just one example. http://www.ebay.co.uk/itm/Structural-Insulated-Panels-SIPs-Self-Build-Garden-Rooms-Studio-Garage-/121396552264?pt=LH_DefaultDomain_3&hash=item1c43cc6248
  16. J

    Why do bricks on walls go white /scale colour?

    Was the wall built with a DPC? If not then it could be a continual problem with rising damp but this is unlikely unless the mortar mix was made particularly weak. New OPC mortar is generally impermeable to moisture for many many years. Also if this was the problem then you would tend to see the...
  17. J

    Rising damp does not exist

    Thanks Tony, you may have made an insightful point with regard to reduced porosity in the bed joints, as far as I know this has never been tested but my comments about the perps relate more to the fact that moisture can travel higher through the perps. I rewrote the definition for rising damp...
  18. J

    Rising damp does not exist

    Injection can work to stop rising damp, particularly the modern aqueous silane creams when injected directly into the mortar bed. We know that the major moisture pathway for rising damp is the mortar perps so there is no need to drill bricks anymore; this technique was always pretty pointless...
  19. J

    Rising damp does not exist

    Wow, is this thread still going! Peter, I felt the need to step in and say that your views are quite simply wrong. Rising damp does exist but it's very rare. Don't cite poor surveying practice by the damp proofing industry as evidence to discredit a scientifically proven phenomena. What...
  20. J

    BS 8102 Protection of structures against water from ground

    Hi, Would anyone happen to have a copy of this standard that they could email me please? Thanks in advance
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