Check to be sure weep holes are open along bottom of window openings.
How to repair siding where it meets the deck.
Use a caulking gun to apply a continuous bead of silicone sealant along the vertical seams between the vinyl j channels and the exterior window casings.
Look at the point where your deck meets your house.
1removing nails and screws.
The bottom edge is best cut at an angle 15 or so so that water drips off the front edge.
This prevents a lot of wicking up the back side of the siding.
There are other factors that indicate a properly installed deck but most of them take a trained eye to see.
Remove nails or screws from the damaged decking board using a pry bar screwdriver or drill.
If the fasteners won t come out chop the board into pieces with a chisel or saw pry up the slivers and replace the board.
Nail undersill trim j channel will also work over the bottom cut using 11 gauge aluminum nails.
If it looks like the entire deck has just been mounted on top of the siding it s wrong.
This is usually what i see when performing home inspections.
Problems you will run into and how to fix them duration.
Lift the bottom shingle and slip in the kickout flashing.
Step flashing where a roof meets a wall duration.
Nail it to the sidewall or glue it if nailing isn t possible.
Cover with cap flashing.
If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top.
The siding should not go behind the deck board.
James hardie siding deck flashing.
Slip in the flashing.
If necessary remove a few pieces of siding nail the undersill then replace the siding.