That bad boy needs to be intact.
Is siding installed top down.
Most suppliers sell two sizes of starter 2 1 2 in.
Spend the extra few bucks on the wider stuff and start your siding a bit lower.
As you stated the vapor barrier is of primary concern.
To determine how much you will need to cut from the top of the panel measure the distance between the top of the under sill trim and the lock on the next panel down then subtract 1 4 inch 0 6 cm.
It protects the sheathing from rain snow and pests.
If panel is uncut or cut down in the v shaped groove of a piece of vertical siding simply insert it into a 3 8 9 5mm j channel locking the other side on to the previously applied panel.
The first step in your shiplap accent wall is to remove everything from the wall including any nails use a putty knife to gently pry and remove baseboards crown moulding and trim.
Below the top of the foundation but the lower the vinyl siding is installed the better.
Aluminum siding is installed in an interlocking pattern where the upper edge of each piece has a flange for nails which also has a lip like a backward upside down j that serves as the locking.
Draw a line on the wall along the top of each siding course before you pull the nails.
The siding can be installed both vertical or horizontal.
Remove wall plates and outlet covers.
If horizontal the tongue is usually on the top to avoid water retention amp.
Before you install your shiplap boards open your boxes and let the flooring adjust to the room temperature and moisture for at least 48 hours.
A furring strip should be installed to prevent panel detachment.
Lift the unlocked siding to expose the nailing hem of the siding piece below.
The siding must be installed over a flat surface so unless you re siding a new home or have removed the old lap siding you ll need to line the wall with sheets of rigid foam board usually 1 2.
Then slide the tool horizontally along the lock to release it.
When you reach the top row of siding you will need to measure and cut it to fit.
This siding can be used both for interior wood rooms.
I would remove the siding down to the barrier and then approach the brick facade installation as it would normally be done the right way depending on the material being used and how the manufacturer specifies.