Together, they’ll keep the window sliding along the same plane of motion. You’ll find one balancing weight on each side of the window. They’ll also ensure that when you let go, the sash won’t immediately fall back to the bottom of the frame. These weights are selected to match the weight of the sash – ensuring that moving the sash is easy – however weak or strong you might be. Sash windows are designed to counteract gravity, keeping the bottom window raised once it’s been opened via a series of pulleys and weights hidden into the jambs on either side of the frame. Though they’re especially suited to Georgian and Victorian properties, a sash window makes a stylish and iconic addition to just about any home – but what happens when they won’t stay open? Let’s take a look at this problem, and how it might be fixed.
