Your new roof and siding add to the cost basis of the property. It gets entered in the Assets/Depreciation section. You should classify the improvement as Residential Rental Real Estate. Enter it's cost in the COST box and enter a ZERO in the COST OF LAND box.
THe cost will include everything - what you paid for it, cost of installation, transportation, absolutely *EVERYTHING* associated with the property improvement. That total cost gets depreciated over the next 27.5 years.
In service date is the day after the work was completed, and the business use percentage is ONE HUNDRED PERCENT business use.
