Our low expansion foam is designed especially for window and door installations. It expands to fill voids that fibreglass batt insulation may not properly get to. Not like fibreglass, foam acts a vapour barrier that seals openings/gaps and cut down leakage. Stuffed into gaps, compressed fibreglass insulation loses its insulating https://griffinycfhl.look4blog.com/70760905/details-fiction-and-window-door-replacement-in-scarborough-ontario