I am planning to put up crown moulding. The moulding is 3 5/8"
wide. It is from Home depot: http://tinyurl.com/ybkv2uv (Links to Home
Depot). Before installing do i need to put in a base moulding ? What
are the conditions that require a base moulding ?
That's a reasonable width molding for just nailing to the studs and joists.
You shouldn't have to use nailing blocks unless you have trouble keeping the
molding at the correct spring angle. The one you've picked is probably 38
degrees, though the web site doesn't say.
You can do whatever looks good to you. Some people like fairly narrow
moulding, others like wide expansive moulding. The trick is to have
backing that holds it at the desired angle while you secure it. That
can be as simple as a block of wood cut at the angle you desire.
No base molding needed. Actually, "base molding" is something applied
to the transition of a wall to the floor.
I installed a 6-layered 11" crown molding in my foyer. It is large
but the foyer has a 18-foot ceiling. I attached a "base" to the
wall, a dental layer to the base, another "base" on the ceiling, and
another onto those. It would have been a much easier and faster job
with a pneumatic nailer, but I only had a hammer and nailset. It
still looks good after 14 years.
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