Lay a layer of foam plate and then lay other layers of mortar and so on which improves the performance of heat insulation. The plastic window frame and double glazing are recommended for comfort indoors. It is also good to install an air conditioning.
Use cutting film guide plate as a help when cutting the fenestrated membrane. It can help cutting the fenestrated membrane accurately and smoothly alongside the edge of window glass. Erect the guide plate on the glass straightly or at a natural angle. Cut the membrane with 1mm margin. It is the most important to finish cutting before the final step.
