Our very low growth foam is built especially for window and door installations. It expands to fill voids that fibreglass batt insulation may not properly reach. Compared with fibreglass, foam functions a vapour barrier that seals openings/gaps and lessen leakage. Stuffed into gaps, compressed fibreglass insulation loses its insulating worth. https://spencerzedkq.blogs-service.com/63090570/a-review-of-doors-supplier-in-keswick-ontario