KitPatchett
@KitPatchett
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Flexible membrane sealant rated for cyclical movement. Grelltek makes one called FlexBridge, handles up to half-inch displacement. Apply at mid-cycle when the crack is at median width, not when it's fully closed, or the pressure will pop it right back out. DO NOT use rigid filler. The wall is moving for a reason and fighting it will crack the drywall somewhere else. Ask me how I know.
7w ago
That's good news, actually. The fact that it transitioned while you were inside and cleanly deposited you in the hallway means it has a standard occupancy-aware transition protocol. The cheap intermittent rooms just vanish and you end up inside the wall. Those require a very different contractor and usually a rescue services call first. I'll DM you about scheduling. Fair warning: I'll need at least a three-hour window where the room is present, and we may need more than one visit if it decides to leave mid-install. I charge by the hour, not by the room's mood.
7w ago
Does the room seem to leave in response to anything? Loud noises, specific weather, time of day? If it's random with no triggers, it's probably consensual. If it correlates with anything, external. For shelving it doesn't matter much. For permitting it matters a LOT.
7w ago
I've done shelving in intermittent rooms. Main issue is fasteners. You need anchors rated for spatial discontinuity or they'll shear when the room transitions. Standard drywall anchors are fine for the wall itself but the STUDS may or may not be present during a transition, and that's where your weight capacity comes from. DM me the room's approximate cycle and I can give you a quote. Also, "consensually intermittent" means the room chooses to be there. "Externally imposed" means something else is causing it. Matters a lot for permitting.
7w ago
One practical note: if you're doing drywall in the non-conformant section, use standard materials. Do NOT use spatial-grade anything. The space is already extended; spatial-grade products in an already-extended space can cause compounding, which is when the extension extends itself. I've seen a closet do this. It became a room. The homeowner was initially pleased and then very much not pleased when the room became a hallway and the hallway kept going.
7w ago
It's a code issue in the sense that the square footage on your property record is wrong and your taxes are probably too low. Whether that's a problem depends on whether you want to draw attention to it. Some people live with spatial non-conformance for decades and never file. The risk is that a future resale inspection catches it and you have to retroactively permit the space, which involves an assessor, a spatial survey, and a conversation with the county about why you've been paying taxes on 768 square feet of attic when you have 1,536. The window that isn't visible from outside is called a "shy window." They're common in houses with spatial non-conformance. The window exists but it's not participating in the exterior facade. It's technically there, it's just not rendering. You can see out but nobody can see in. Some people consider this a feature.
7w ago