To prevent rot and prolong the life of your wood siding you can treat it with oil stain or paint.
How to seal wood siding to concrete.
This plastic foam product primarily works as a capillary break between the concrete and the framing.
Simply apply this inexpensive filler into the cracks to seal.
Mostly what kent said.
As porous as concrete is its not even ideal that treated wood meets concrete.
When it comes to air sealing one of the areas that we rarely see done well is the joint between the foundation and the framing.
This is mostly because of the chance for standing water or leeching.
You need to isolate the wood itself from the concrete.
Which finish you choose is mostly an aesthetic choice.
I would like have recommendation on what kind of material i should use to seal a gap between concrete stair and wood siding in front of front door of my house.
We will restore your wood siding to a more natural wood finish removing toxins fungus mold and mildew that develop with moisture.
This is messier than acrylic latex but effective.
Siding windows and door caulk there are a variety of caulk compounds that will create air and watertight seals around windows and doors.
My recommendation in this scenario would be to trim the wood siding 1 4 inch minimally or better yet 6 to 8 above the concrete area.
Seal small cracks and gaps in your siding under 1 4 inch wide using an acrylic latex caulk.
We will then permanently seal the wood siding with our proprietary all natural process.
Oil a clear finish is absorbed into the wood filling.
But urethane squirt foam is subject to uv degrada.
Sealing wood wood surfaces such as decks sidings trim and others should also be sealed for water protection.
It depends on the exact situation.
That could be accomplished with perhaps metal flashing j molding dap230 caulking vinyl separation or other.
Permaseal is the last wood siding treatment you will need.
It seems that they previously used cement as far as i can tell.
These materials act as a barrier preventing water from coming into direct contact with the wood.
Most houses in america get foam sill seal laid on top of the foundation.
These include polymer silicone polymer paintable.
Paint works well over it.
Wood meeting concrete in a damp area is never a good recipe.
My primary concern is that using a wrong material that will rotten the wood.