L&L Concepts

Clock Spring Balances for residential and commercial windows.

Manufacturer of clock spring balance to replace rope & pulley systems in traditional windows: several models for residential & commercial use; previously manufactured by Caldwell Mfg.

Buying Guide Spotlight

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Brownstone Doors

Brownstone Doors specializes in expertly crafted reproduction of historic doors, entryways and storefronts. Our knowledge of New York City historic door details is unparalleled. We provide custom entry door solutions from conception to installation for historic and designer homes and commercial landmark properties.