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Sealing (or not) Edwardian Mock Tudor infill render panels

Discussion in 'Plastering and Rendering' started by Toiletduck, 10 Sep 2020.

  1. Toiletduck

    Toiletduck

    Joined:
    31 May 2008
    Messages:
    35
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    Location:
    Cheshire
    Country:
    United Kingdom
    Hi,

    I have a 1906 house predominantly of brick construction but with a small mock Tudor style timber framed section (approx 1 x 3m) to one corner of the house housing a small portion of the bedroom above a storm porch. It is definitely a timber frame construction rather than cladding.

    We have had occasional leaks into the porch during very wet weather. I thought that perhaps water is saturating the infill render panels and eventually entering the wall then dripping down into the porch. Weve had no issues with leaks or signs of damp in the bedroom above but there is significant roof overhang which tends to keep rain from wetting the surface higher up.

    Ive had various people out including a "heritage lime rendering" professional who could see no obvious issue to the infill panels themselves and suggested I might use silicone sealant to the edges. Visually the render panels do look in good order. The timber is >110 years old, quite weathered with signs of multiple spliced in repaired sections but no obvious rot to the surface.

    I can see cracks at the base of the panels where they meet the timber frame. Should these normally be sealed by something - it appears the render material just meets the timber frame and movement between the two has opened up a crack? I could do this easily enough myself but Im concerned this is exactly the wrong thing to do - at the moment it is all breathable at least I presume?

    Any advice appreciated or contact for any specialists int his area in the North West.

    Cheers

    Andy
     
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