The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
Hach to roof from attic.
They positioned it so that you did not need a ladder to get in or out in a place where the rafters were about 42 off the joists.
It was a simple curb built up as for a skylight but capped with a sheet metal box that latched from the inside.
Here in canada our minimum attic insulation requirement is r 40 that s a metric u value of 0 142 if you re in europe or actually using the units we re supposed to be in canada.
Finish up by sealing the access hatch with self sticking weather stripping.
It was a godsend just go in the attic and then pop out on the roof.
Tall wood frame acts as an insulation dam which holds the insulation back from the opening and takes the mess out of getting into your attic space.
Sized to fit either between roof trusses 24 on center or between ceiling joists 16 o c.
With minimal carpentry required cut one joist and add a header and footer.
An attic room must measure 10 5 foot at the ridge line and at least 50 percent of the finished space must be 7 5 foot tall or more.
Sealing the attic hatch or door.
Supports indicate truss framing that may involve expensive roof raising to allow for attic conversion.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Position the screw eyes so the.