Recent content by jsa242424

  1. J

    Leaking Summer House Roof

    thanks guys. I used nails only because they were supplied with the original kit. The tongued and grooved timber roof is only about 12mm. Nailing is problematic because the very short nails sometimes hit the gap between boards and don't grip. I think that the cause of the leaking is that the...
  2. J

    Leaking Summer House Roof

    I have a summer house. The ground plan is in the form of an 8ft square with a corner knocked off. The roof slopes uniformly back from the doors to the rear corner (I have previously taken action to correct ponding by providing additional struts, so the roof is planar). The roof is composed of...
  3. J

    Damp under flooboards in loft

    Thank you Frank I will check that. Since I discovered the problem, I take very short showers and the mirror only steams up for a few minutes. There good vetilation to the wet room from the rest of the bungalow because the door is a sliding door. I have also taken to opening the bathroom...
  4. J

    Conservatory Idea but need help please

    Heat losses from conservatories in winter can be horrendous, whereas an extension can be properly insulated. If you do go for a conservatory, you need a roof with a reflective interior to reflect away heat in summer. Also I would strongly advise against making a permanent opening between a...
  5. J

    Removing Internal external wall!!!

    I would get addvice from a structural engineer and get him to specify the RSJ needed. Ask him about how much the beam can be expected to deflect once the RSJ is carrying the load above. He will also be able to check that the foundations will take the additional loads which will be...
  6. J

    Damp under flooboards in loft

    Thanks for the advice Tipper. I am pretty sure that the fan vents to the outside, but I will be taking it out and checking everything. In particular I am interested to check that there is a sleeve or pipe used. I don't want damp air being pushed into the cavity. Thanks again Julian
  7. J

    Damp under flooboards in loft

    Hi Alistair Thank you for your reply. I have seen plasterboard with built in vapour barrier and I was thinking of getting the ceiling covered and skimmed using that. I will look into getting a more powerful extractor fan. The current fan is on a timer with a timer to keep it on after...
  8. J

    Detail where cavity wall joins single skin wall?

    Hello Oly The cold bridge is from the warm air in the new room via the existing wall (red) to the exterior. Not joining your new wall to the existing wall (red) does not in any way help the situation, so I would recommend making a conventional join (walll ties etc). You could beef up the...
  9. J

    Damp under flooboards in loft

    The loft of my 1964 bungalow (of conventional brick and tile construction) has 300 mm of glass fibre insulation (100 between joist and 200 on top). Not wishing to lose the use of the loft, I have installed 200mm plastic stilts. On top of the stilts are plywood pads of varying thickness (20-60mm)...
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