Expansion or spray-in foam products should not be used. If you use one of them, be careful to keep the jam straight so that the window operation is not interrupted.
If we use external items of brick or stone, a distance of 1/8 “should be kept from the window to allow the expansion of brick and mortar.
Baker Road and Silicon Caulk should be used to seal the gap. Brick washing should not be used after installing the window as doing so cancel the window warranty.
The window should not be pants and the window should not be kept at a place where the temperature exceeds 140 ° F as doing so can cancel the window warranty.