Recent content by jhk

No water pipes pass under the floor that I'm aware of. Dampness in the ducting looks like condensation. Ducting appears to be be set in concrete floor approx 6" under the surface.

Can anyone help? I've recently moved into a 1970's bungalow that at some stage must have had a gas boiler under floor warm air system. All that remains is the tin-like metal ducting under the concrete floor. (no visible signs of asbestos) The inside of the ducting is damp and rusty. Each room...