Our reduced enlargement foam is intended especially for window and door installations. It expands to fill voids that fibreglass batt insulation might not successfully reach. Compared with fibreglass, foam acts a vapour barrier that seals openings/gaps and cut down leakage. Stuffed into gaps, compressed fibreglass insulation loses its insulating price. https://andreqaypu.blogocial.com/the-smart-trick-of-steel-exterior-doors-in-scarborough-ontario-that-no-one-is-discussing-68089111