Our low expansion foam is designed especially for window and door installations. It expands to fill voids that fibreglass batt insulation may well not effectively reach. Compared with fibreglass, foam acts a vapour barrier that seals openings/gaps and lessen leakage. Stuffed into gaps, compressed fibreglass insulation loses its insulating benefit. https://zaneflqtz.blog5star.com/32493455/5-tips-about-window-and-doors-in-keswick-ontario-you-can-use-today