Checking the condition of the existing window frame
Check the condition of the existing frame before replacing a window. If there are signs of rotting
or if the sill is broken, the new window could be spoilt without paying attention to its frame. If
you are replacing the window with a natural wood finish, does the frame suit the window you are going
to fit? If the old paint has to be removed and the condition of the frame is not very good, it could
be time to replace the framework.
Replacing the old window frame
If you do replace the frame, ready-made pre-treated hardwood frames are available at many DIY outlets.
Measure the existing brickwork opening dimensions. Decide whether a ready-made frame can be purchased
in the size you require. Otherwise determine the amount of wood required to construct the frame
yourself. It is extremely important to set the frame squarely, and even when buying ready-made frames
a small clearance is given to allow the frame to be set squarely in its position.
Removing the old frame
The old frame is often the original frame and was installed in one piece when the house was built. Use
a saw to cut the frame and remove section by section. Saw at an angle through both sides and use an end
of a crowbar to lever them away from the brickwork, separating them from the top and bottom of the frame.
Saw through the top and bottom, at an angle, and remove them. The top and bottom are often extended into
the brickwork at each corner and the sections will need to be tugged and pulled out. An internal window
board is often fitted inside the windowsill. Keep it and re-use when fitting the new window.
