The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
How to seal an attic opening.
Because the pipe gets hot building codes require 1 in.
We are going to show you step by step in less than 2 and 1.
Small attic vents located below the roof peaks provide sufficient ventilation to let the moisture created by heat rising into the attic escape.
Of clearance from class b flues 2 in.
Sealing the attic hatch or door.
From masonry chimneys to any combustible material including insulation.
Finish up by sealing the access hatch with self sticking weather stripping.
The large vent opening allows the heat to rise and.
Install a gasket around attic access openings to air seal between the opening and the panel covering.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Air seal attic access panels and drop down stairs to minimize air leakage.
These new wood stops provide a larger area for attaching new weatherstripping.
They also give you an easy area to add hook fasteners if needed.
Insulate the cover with rigid foam that is glued in place or batt insulation that is mechanically fastened e g with wires and screws.