Morning,
Sorry if this has been posted before but I cant seem to find my exact potential problem. I am in the process of building a garden room and I'm little confused/worried about the floor I have an old concrete base in the garden already which is in great condition, dead level and sits around 30mm/50mm above a surrounding patio. Its roughly 150mm thick but has no DPM. My plan is to lay a DPM sheet over the base area of the building. Put the C24 timber floor joists on top of this then wrap the DPM 200mm or so up to the OSB3 walls which will then be cladded. The base will be slightly bigger than the building on 2 sides all water from the roof will be ran away in guttering ect so will just be a small amount on water hitting the base.
Is this a good solution or am i likely to have issues with damp rot ect? don't really want to raise it use bearers ect as I need to try and keep the height down as much as possible
any help/advice would be greatly appreciated.
Sorry if this has been posted before but I cant seem to find my exact potential problem. I am in the process of building a garden room and I'm little confused/worried about the floor I have an old concrete base in the garden already which is in great condition, dead level and sits around 30mm/50mm above a surrounding patio. Its roughly 150mm thick but has no DPM. My plan is to lay a DPM sheet over the base area of the building. Put the C24 timber floor joists on top of this then wrap the DPM 200mm or so up to the OSB3 walls which will then be cladded. The base will be slightly bigger than the building on 2 sides all water from the roof will be ran away in guttering ect so will just be a small amount on water hitting the base.
Is this a good solution or am i likely to have issues with damp rot ect? don't really want to raise it use bearers ect as I need to try and keep the height down as much as possible
any help/advice would be greatly appreciated.