1.Lift the assembled frame into the window opening. Position the frame evenly in the opening using a tape measure and shims or packers. (If fixing into wood proceed to step 4)
2. If you are fixing into a masonry or plastered wall, drill through the frame at each corner using a 3 or 3.5mm drill bit. Make sure the drill bit has touched and marked the plaster behind the frame to indicate where you should drill the fixing holes.
Drill through and mark wall
3. Remove the frame, drill the wall with a suitable drill bit, insert your wall plugs and reposition the frame as it was before.
4. Once the frame is evenly spaced, secure with a screw in the top right hand corner only. The other parts of the frame will be secured later.
5. Once the left side is secured, level the frame in the window and secure the top left hand corner.
Step 3 - Hang the shutter panels