And there s even more good news.
Replace roof drain with thicker insulation.
Hack n stack sealed foam board between the rafters would be better since it s at least an air impermeable insulation but even that would require a vent gap below the roof deck to meet code and you d still be under r38 on that 2x6 rafters unless you.
Fabric covered channels drain water from vertical foundation walls.
Gaco is a best in class provider of silicone roof coating systems waterproofing and insulation solutions for commercial and residential buildings.
Localized drainage at drains.
I have an insulation factor of about 8 10 plus the reflectivity of the white tpo.
So fitting insulation in your loft attic or roof space is a great way to improve your home s cosiness factor.
You can also pack 5 1 2 in.
Thick insulation into a 3 1 2 in.
A typical interior roof drain assembly occupies about a 4 foot by 4 foot square area with a inch per foot tapered slope.
Foamular insul drain insul drain drainage board is designed specifically for foundations to improve thermal foundation performance through a higher r value.
If the insulation reaches three inches or thicker an 8 foot by 8 foot.
You should also replace insulation if your roof has had a leak or you suspect water has gotten into the insulation.
Mold can grow from the warm humid atmosphere in an attic causing hazardous air quality for your home.
Also there is a soffit vent but none at roof peak.
Pvc new installation roof drain kit allows for quick installation of new roof drains or replacement of existing roof drains.
As a general rule if the insulation is two inches thick or less a 4 foot by 4 foot sump is sufficient.
Download insul drain data sheet pdf 372 kb.
Batts between rafters in would require adding ventilation between the insulation roof deck.
Can be used on steel wood pre cast concrete or gypsum roof decks.
Should i leave out the soffit vent.
Any moldy insulation should be replaced immediately.
The old roof was tar and gravel so the switch to tpo should show significant change.
It lasts for more than 40 years and should pay for itself many times over in energy bill savings as the cost of loft insulation is comparatively low.
Is there any advantage to trying to get any insulation in between the 2 8 rafters.