The maintenance side of a room, written the way the rest of this blog is written: with the method derived rather than listed. Upholstery, mattresses and window coverings each have their own chemistry, and the single most expensive mistake in all three is the same one, too much water applied too fast. Every guide here also answers the question the cleaning industry has no reason to ask, which is whether cleaning this particular piece is worth the money at all, or whether the foam and the frame have already decided for you.

A 2 minute corner test tells you which wallpaper you have. Then dry peel, soak, strip or steam, get the glue off, and fix torn drywall before you paint.

The code on the tag decides which liquid may touch your sofa. The right method for leather, microfibre, velvet and woven, and when cleaning is a waste.

A mattress cannot be rinsed, wrung or dried, so every method is surface work. The two-hour rule, why yellowing is permanent, and the warranty trap.

A venetian blind has about 100 slat faces, so method beats product. The two-finger technique, what vinegar ruins, and why the bathtub trick breaks the cords.