How To Replace A Double Pane Window Glass -

Home again, she set the new IGU into the frame without sealant first. It slid in perfectly. She then inserted the plastic shims (bought for $3) at the bottom corners to lift the glass evenly. This prevents pressure points that cause future cracks.

Sarah considered calling a pro—$400 minimum. Instead, she decided to try fixing it herself. Here’s what she learned through trial, error, and a few choice words. how to replace a double pane window glass

She ran a thin bead of siliconized glazing compound (not regular caulk) around the frame where the glass would sit. She set the IGU in place, pressed gently, and then snapped the labeled glazing beads back into their tracks. For the first time, the crack was gone. She wiped away the tiny bit of squeezed-out sealant with mineral spirits. Home again, she set the new IGU into

With the beads off, the IGU fell inward. She caught it just in time. Underneath, she found old, rock-hard glazing putty and tiny plastic shims. Using a heat gun (on low!) and a chisel, she scraped the frame clean. “This is the worst part,” she muttered, picking dried putty out of her hair. This prevents pressure points that cause future cracks