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4

First, are the products chemically compatible? The mere fact that they're water-based does not make it so. The best place to ask is the factory. However, there's a bigger problem. Even if they're compatible, a colored paint diluted (what, 2:1?) with a clear coating will have very poor coverage. If it's going to take 6 coats to get decent coverage on ...


3

I use a shellac based primer for things such as this. It has better hiding ability then just paint or regular primer. Give it two or more coats and see if it hides the problem and then you can apply the final paint. If you still see a shadow after the shellac primer you could try a coat of bonding primer over the shellac primer.


3

I quite commonly install shims to support the front of (brand-agnostic) bookcases so they are leaning towards the wall, not away from it. Should be trivial to get a pack of shims (thin wooden wedges - narrow wooden shingles) and properly support the front of this bookcase as installed.


3

Just get a quality silicone caulk and go through the house caulking every opening. Get one that's paintable. They also come in a variety of colors so you might not have to paint over them. This type of caulk is water proof so if it comes in contact with moisture, you'll be ok. This will work on just about every surface there is. It also comes in tubes so you ...


3

Without a picture to confirm, it sounds like it may be a pilaster. If so, it is structural, and possibly helping carry a load (beam) above the ceiling


2

You can see the angled mounting bracket hanging down under the sink. The bracket is what holds the sink firmly on the wall, the lower holes in the sink are for keeping the bottom of the sink from being pulled away and up from the wall once it is lowered down onto the bracket. The top holes have nothing to do with the mounting of the sink. The bracket ...


1

There is probably a flush beam there that is installed up in the roof or floor system. You just hanger the joists into the flush beam instead of resting them on top of a dropped beam. Example of a flush beam Definitely add a header there if it's a bearing wall and you're removing studs.


1

Why is there no header for the full height doorways? I can think of two possibilities: The wall is structurally unsound due to the missing support and if so, you should see some signs of that. (i.e. sagging, drywall cracking, etc.) The wall is designed such that the unsupported span load is carried by the support on either side of the doorway opening. ...


1

R15 is the best you can do in fiberglass and mineral wool for a 2*4 wall. Iirc you could get close to R-30 with closed cell spray foam, but that's $$$. That black is probably dust. Unless you see black staining on the studs where it was removed from its probably not a sign of a serious problem. Still, it suggests that your wall voids are not air-tight, ...


1

The black is dust that is deposited by air leaks. The best building framework is passive house and the perfect wall which orders your priorities. The first is liquid water, the seconds is air, the third is vapor and the last is insulation. If you've gone to the trouble to open all the exterior walls to increase your insulation, I am going to assume that ...


1

I only see one screwhole in the wall, which has rust colored stains around it and there's clearly mildew on the back of the sink. Looks like they may have also used construction adhesive on the back (or is that just silicone?) which is fine but not an acceptable alternative to mechanical anchors at multiple points. Seems like it was poorly mounted to begin ...


1

You've got four holes through the sink for mounting: two large ones in the top corners and two smaller ones at the bottom. The wall where the sink was looks like it's got water damage so I'm guessing it was mounted to the wall with smaller bolts and washers than it should have been and with the water damage and your massive 130 pounds, it just succumbed to ...


1

From what I understand the bookcase is sitting on the floor but the front edge of the bottom is a little lifted? I would not be worried. If you are worried chuck a few shims under it. Each screw is probably rated in excess of 50lbs of pull out, even if the bookcase somehow pulled forward you could just add some washer to the screws and re-secure it. ...


1

A lot of ceiling fan boxes are wired with two switches so that one switch can control the lights and the other can control the fan motor. Of course, when someone replaces a fan, or even when it's initially installed, it's not hooked up that way so one switch controls everything. After you check all the other outlets in the room (both sides like Chris said),...


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