After repair, pour a cup of water on the sill. It should run off the front edge immediately, not pool or run toward the window.
This guide covers damage from minor chips and cracks to spalling (surface flaking) caused by freeze-thaw cycles. external concrete window sill repair
: General "sanding" or pitting from acid rain and UV exposure. 2. Required Tools and Materials After repair, pour a cup of water on the sill
The sill must slope downward (approx. 15 degrees, or 1/4” per foot) away from the window. Use a level to check. external concrete window sill repair
After repair, pour a cup of water on the sill. It should run off the front edge immediately, not pool or run toward the window.
This guide covers damage from minor chips and cracks to spalling (surface flaking) caused by freeze-thaw cycles.
: General "sanding" or pitting from acid rain and UV exposure. 2. Required Tools and Materials
The sill must slope downward (approx. 15 degrees, or 1/4” per foot) away from the window. Use a level to check.