A lot of Milwaukee’s older housing — Wauwatosa, Cedarburg, the near north side, plenty of Shorewood — carries trim that predates 1920. It does not behave like the millwork in a house built in 1995, and treating it the same way is how it gets ruined.
The timber is not the same material
Old-growth softwood was cut from trees that grew slowly, so the growth rings sit tight together and the wood is dense, stable and much harder than the fast-grown pine sold today. That is why hundred-year-old trim is still straight, and why replacing it with modern stock never quite looks right even when the profile is copied exactly.
It also takes finish differently. Dense timber absorbs less, so stain sits nearer the surface and coatings build faster than you expect. A schedule that works on new pine will look heavy on old fir.
The profiles are the whole point
Victorian and Edwardian mouldings were run with knives that no longer exist, in combinations chosen room by room. The detail is deeper and sharper than modern profiles, with tighter quirks and undercuts — which is exactly what makes them worth keeping and exactly what makes them awkward to paint.
Every coat softens them. Eight coats of brushed paint over a century fills the fine detail until an ogee reads as a bump. That loss is gradual, nobody notices it happening, and it is the most common thing done to old trim by people who thought they were maintaining it. Spraying helps, because it lays a thinner and more even film into the profile instead of dragging paint into the corners.
What is underneath might not be paint
Before 1920 the clear finish was usually shellac, often over a stain. Shellac dissolves in alcohol, which makes for a useful test: a cotton bud of denatured alcohol on a hidden edge goes tacky within seconds if that is what you have. Modern varnish and polyurethane will not react at all.
It matters because shellac is straightforward to remove and to bond over once you know it is there, and a genuine problem if you assume you are dealing with polyurethane and reach for the wrong product.
Then there is lead. Paint from before 1978 may contain it, and in pre-1920 housing that is likely rather than merely possible. Sanding or heating lead paint is the part of this work that actually matters — not for the finish, for the household. Anyone working on trim of that age should be testing first and telling you what they find.
Stripping is not automatically the answer
Bare original woodwork is beautiful, and it is also a great deal of work. Stripping earns its cost when the timber underneath is a species worth showing, when the profile has genuinely been lost under buildup, or when the existing coats are failing and would take a new one down with them.
It is not worth it when the wood is a plain softwood that was always meant to be painted — a lot of Victorian trim was — or when the existing film is still sound. A careful sand, a bonding primer and a properly sprayed finish will look better than a half-finished strip and cost a fraction of one.
The honest version
Most of what makes old trim look right is restraint: taking material off rather than adding it, keeping the film thin, and leaving the profile able to cast a shadow. None of that is exotic, but it is slower than rolling a wall, and it is the first thing dropped when a job is priced on square footage alone.
If you have trim like this and are not sure what you are looking at, ask before anyone sands anything. We will tell you what is on there and what we would do — including when the answer is to leave it alone. More on how we approach it on the interior painting and wood staining and trim pages.