Typically when i pour concrete against a house foundation never pour concrete against any siding imho it invites trouble later i have an expansion joint set to the house.
Porch concrete poured against siding.
Fill the gap between a concrete patio and house.
We are now replacing floor joists and wall studs from where the porch was poured and not.
How would i do better.
Attach flashing on the wall where you removed the siding.
It can be cork 1 2 thick by 4 tall set to the wall with short pins to hold it while pouring.
We ve noticed water damage in our sunroom which is bordered on one side by our concrete patio.
I would advise locating a vinyl siding company and getting them to break some scraps that they ve laying around about an inch much higher than the concrete will be poured and as far out from the house as the scraps will go.
In the picture you can see by the dark line on the siding where the main level of the slab was there is also a step up to the front door.
It also looks like no forms were used by the house the concrete was just poured against the siding.
The level of the slab also puts it above the wooden bottom plate of the house.
I noticed something in his video that raised a red flag for me so i thought i would rough ou.
The porch wraps around 1 side and part of the back where it is on the back the porch is not covered.
If we re right then that hopefully accounts for the water damage.
Since the porch will be butted up against the house you ll need to remove enough siding from the house to allow the porch to be made tight against the house when the concrete sets.
The best thing to do and it s the code in va is to put aluminum coil in between the wood and the concrete.
Step 2 create the concrete form.