The moment it’s adjusted so the edges overlap evenly draw a pencil line across the sheet to mark the right outer edge for mounting.There’s always some disagreeable sound coming from outside. The secondary pane of glass and air hole serves as an extra sound insulation barrier.If this isn’t a possibility, you will have to take measurements and … Read More


To attain nearly an eighty% acoustic effectiveness KJM recommend the specification of acoustic glass and an air cavity no fewer than 150mm – 200mm glass to glass.The initial step in buying your rooflight could well be to measure the structural opening exactly where the rooflight might be put in. You ought to allow for for 5mm tolerances all … Read More