Hand Trimming A Patterned Grasscloth

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Most wallpapers come with their edges pre-trimmed by the manufacturer. But some – usually the higher-end products – come with the selvedge edge intact, which means the installer has to hand-trim the material to remove this unprinted edge.

This is done with a straightedge (not shown in the photo), a single-edge razor blade (lots of them!), an appropriate surface to cut into, and a steady hand.

The manufacturer will print marks (trim guides) on the wallpaper, so you know where to trim. But these are not always accurate, so often you have to go by an element in the design (1/4″ away from the tip of the red dog’s nose).

You also have to use a tape measure to make certain that the width of the strip is the same along it’s entire length. If it’s not, you will end up with a trapezoid, or a strip with one or both edges that are shaped like a boomerang – and no strip of wallpaper will butt up against a boomerang!

Hand-trimming is tedious and time-consuming and precise. It’s important to have the right equipment, to pay attention, to take your time, and to have a steady hand.

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