So there’s been a 5-month hiatus on posting, but things have been happening. I’ll try to catch up.
During November, the grandparents came for their usual month-long Hawaii visit, and the task my Dad and I decided to tackle this year was to replace the old counterweighted “sash” sliding windows in the two rooms in the main house. The real objective was to remove the lead-based paint on them, since they are high-wear surfaces and the paint had started to crack and peel. The paint in the “library” is especially deteriorated, not just on the windows; it’s peeling all over the walls and the ceiling. But the windows were a start.
Rather than attempt to strip the paint from the existing windows, we decided it was better to switch them out for jalousie windows. Literally every other window in the house use jalousies and they are superior for the amount of airflow they provide. The only issue with our existing ones are that they are aluminum and have pretty severe corrosion. For that reason we chose to go with Palmair windows made by Breezeway. These use vinyl, powder-coated aluminum, and stainless steel, and the mechanisms are protected so they’re not exposed directly to the elements. They also seal much better than the old metal ones that don’t really make a tight seal between the slats.
The Palmair windows are also reasonably priced, at least compared to the other vinyl alternative one of the local window dealers had, which were almost 3x as expensive. We just had to drive over to Lowe’s in Kona to get them.
Getting the old windows out was an interesting exercise. To remove the sliding windows out of the frame, you had to break off the nailed-in-place wooden trim that held the windows in. Then you had to cut the ropes to the counterweights, tie a knot in them so the counterweights didn’t drop to the bottom of the window, and then take the inner window out. The outer window was then held in place with rectangular wooden rods that were fitted in a slot in the window frame. With the windows removed, you could open an access panel in the side of the window frame so you could reach in and grab the counterweight, cut the knot in the rope, and pull the weight out. These weights were large bullet-like chunks of cast iron, when you slid the window up and down they would clang against each other like some heavy-duty wind chime.
After removing the counterweights and putting the access panels back, we were left with a window frame with a slot all around the perimeter and holes where the counterweight pulleys had been. These needed to be covered, so we fabricated plywood sheets for the sides and top of the window frames.
In addition, we needed to fabricate extensions to the inside window sill so it would go all the way to the glass. Because this would have sit on top of the outside portion of the window sill, which is inclined by about 13 degrees, it had to be made in a trapezoidal shape to lie against the tilted bottom and line up with the horizontal top of the inside of the window sill. Making 7 of these pieces with the correct angle and thickness by hand seemed like an iffy prospect, so we tilted the vise in the mini mill and used it as a “guide” so we could slide the pieces through the mill and have it take off the appropriate amount of material.
The outsides of some of the window frames were also in such bad shape that rather than try to get the paint off and make the wood look decent, we replaced them. Stripping the outside paint was quite a chore, it’s quite resistant to the infrared heater and you have to heat a lot to get it to soften. The wood is also quite rough so the scraper can’t get the entire paint layer off like it could on the inside where the old paint came off easily.
Having finished the woodwork, we needed to paint the windows, inside and out, before mounting the windows. This seemed like it should be quick, but took quite a while. The inside window frame was first painted with Brushing Putty (which I’ve talked about before) to mask some of the very coarse grain in the wood. This needs 24+h of drying, then sanding. Then the oil primer, which needs another 24+h of drying, and then two coats of the Eco “waterborne alkyd” paint. Since the outside is brown and the inside white, you also could only do one side at a time since otherwise you’d smear the paints into each other.
Since my parents were staying in the other room, we couldn’t get started there until we were done painting and had the windows mounted. This took quite a while longer than anticipated so by the time we could get started on the other room, we only had one week left until my parents went back home to Sweden. This was enough to get the wood work done, but not the painting.
Since the paint on the walls and ceiling was in such bad shape in this room, peeling and full of mold stains, we decided that this was a good opportunity to repaint the entire room instead of just doing the windows. So we started stripping the walls. This actually didn’t take too long, with the Speedheater you can cover about 1m^2 per hour, when you don’t have to deal with trim and corners and stuff. The windows went a lot slower.
Holding the Speedheater gets very tiresome after a while, you basically hold it in one hand and strip with the other which is hard on your shoulders and wrists. As we discovered how hard this job would be, we ordered the “arm” that holds it so you only have to reposition it and not hold the weight. However, it didn’t arrive until the job was mostly done. I’ll make a separate post about the repainting of the room.
In the end, I think this was a major upgrade. The old windows weren’t just peeling, when the wind was blowing they also would shake in their mounts, giving off a rattling sound that isn’t so nice if you’re trying to sleep there. The jalousie windows will give a lot more airflow (although we haven’t had occasion to need that since it’s been “really cold” here. Cold for Hawaii, that is.) The new paint also looks really nice. I can’t even imagine how nice the whole house will look when we’ve repainted all the trim, door frames, baseboards, etc with this paint. So we’re really pleased with the new windows. Stand by for the next post about painting the room.
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