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Polyisocyanurate, another green insulation product, provides an effective moisture barrier when used with laminated aluminum-foil facers in masonry cavity wall applications.

However, having a wider facer may not be an asset when negotiations require collaboration and compromise, the researchers found.

Ordinarily, anybody who had stopped Howell Gruffydd in the street and had asked him a Council secret would have been met with the smiling facer he deserved, but this was extraordinary altogether.

There," he said, as he took a ladleful o' broth and began to cool it deliberately, "that's the most scientific facer I ever planted on a man's forehead in my life.

It's a bit of a facer for me—I tell you that straight—but it don't seem unnatural in you.