Our reduced expansion foam is designed specifically for window and door installations. It expands to fill voids that fibreglass batt insulation may not properly get to. Compared with fibreglass, foam functions a vapour barrier that seals openings/gaps and lower leakage. Stuffed into gaps, compressed fibreglass insulation loses its insulating worth. https://frontentrydoorsinkeswicko50015.get-blogging.com/32565553/indicators-on-best-doors-and-windows-in-keswick-ontario-you-should-know