How To Seal An Attic Opening
Ever wonder how much your attic entrance costs you each month in your cooling and heating bills.
How to seal an attic opening. Of clearance from class b flues 2 in. The opening around a furnace or water heater flue is a major source of warm air into the attic photo 5. They also give you an easy area to add hook fasteners if needed. The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
These new wood stops provide a larger area for attaching new weatherstripping. Install a gasket around attic access openings to air seal between the opening and the panel covering. Finish up by sealing the access hatch with self sticking weather stripping. The large vent opening allows the heat to rise and.
We are going to show you step by step in less than 2 and 1. If the attic hatch rests on the molding you should add 2 1 2 inch stops around the entire opening. If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening. Because the pipe gets hot building codes require 1 in.
Sealing the attic hatch or door. Insulate the cover with rigid foam that is glued in place or batt insulation that is mechanically fastened e g with wires and screws.