One advantage is that they re incredibly efficient.
Roof without soffits.
Your other options are a roof design without ventilation an issue that is volatile and multifaceted.
For homes without soffits or narrow ones the attic can still be very effectively insulated.
These straps act as a sling for your gutter.
The function of soffit vents for proper ventilation it isn t enough for air to simply get into your attic.
Items you will need 36 inch pre hung entry door 2 2 x 4 x 81 inch studs 2 2 x 4 x 41 inch studs door casing electric miter saw skill saw jig saw screw gun hammer level measuring tape pencil carpenter s framing square door shims 2 inch deck screws 8d finish nails nail set wood putty.
These fixed venting units have a lot of advantages over the other venting options.
Normal vented air likes to enter the attic lower down near the bottom third of the attic and as it passes through it will exit higher up near the top third of the attic space.
If i had an older home without soffits i would strongly consider just completely air sealing the attic and adding foam insulation totally removing the need for ventilation.
The spaces between the sleepers can probably be detailed so that the roof is vented at the soffit as well as at the ridge see venting a shed roof.
They re fitted to the gutter hanger and then they are attached directly to the roof.
This is accomplished by installing insulation to include all of the corners angles and wedges where the attic slope meets the attic floor.
For an attic without soffit vents you may have the option to use gable vents instead.
Sometimes a home without eaves or soffits will use ridge vents.
Install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles.
Venting solutions for roofs with no overhang or soffit.
It must also circulate.
Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof drip edge.
Typically you would have a gable vent on each end of the attic.
A home without fascia needs to have gutters attached by roof straps.