Our small expansion foam is built specifically for window and door installations. It expands to fill voids that fibreglass batt insulation may not properly arrive at. Not like fibreglass, foam functions a vapour barrier that seals openings/gaps and reduce leakage. Stuffed into gaps, compressed fibreglass insulation loses its insulating value. https://josueehkmm.webdesign96.com/32708129/top-latest-five-exterior-doors-with-windows-in-scarborough-ontario-urban-news