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Hi, I am a competent DIYer but have got a project that I could really do with some guidance. I am working with an uneven concrete floor with a 50 year old bitumen coat that was under a 50mm screed that I lifted to get more headroom and try and stop the rising damp. I am going to put down two coats of bitumen DPM on top of the existing bitumen and then want to level using 0-10mm self leveling screed with a primer rolled on 3 hours beforehand. I am then going to apply 2 coats of epoxy DPM over the screed to ensure that I prevent the rising damp. I then intend to glue down 25mm rigid insulation and then glue down 14mm engineered oak boarding. My questions are:
What will the drying time be for up to 10mm thickness (in certain areas) before I can paint on the epoxy.
I do not want to fit screws to produce leveling points for obvious reasons, have you any suggestions in order to achieve the correct flatness.
Do I need to cover the screed to cure it or will a closed room be adequate for retaining moisture content.
Finally would it be preferable to fill in the deepest areas with a layer of self leveling screed and let it dry and then apply the final leveling coat.
Thanks in advance for any assistance.
What will the drying time be for up to 10mm thickness (in certain areas) before I can paint on the epoxy.
I do not want to fit screws to produce leveling points for obvious reasons, have you any suggestions in order to achieve the correct flatness.
Do I need to cover the screed to cure it or will a closed room be adequate for retaining moisture content.
Finally would it be preferable to fill in the deepest areas with a layer of self leveling screed and let it dry and then apply the final leveling coat.
Thanks in advance for any assistance.
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