Tonight i was replacing some outdoor lighting only to find to me surprise this house has no ouside sheathing.
No sheathing under siding.
Using 1 2 x 6 clear cedar bevel siding and since no sheathing insulation can be fiberglass any recommendations.
There is no sheathing.
If i add 3 8 ply then siding will be proud of corners and casings.
It also provides a.
The wood that goes under residential siding exterior sheathing performs several functions.
It adds insulation waterproofing and structural support for the framing.
Trim is elaborate and ornate so not replacing.
My main concern was a wrb covered drainage plane which i was misled into thinking wasn t there.
Vinyl siding house wrap 1 1 4 pink hard insulation foam board 6 inches batt insulation and the inside sheat rock.
I m replacing siding and insulating 1850 home.
Tri level home built in mid 70 s with 4 stud walls with bat insulation without any sheathing under masonite sheet siding with battens on 16 centers with no vapor barrier of any kind 3 8 or 7 16 siding then 3 1 2 insulation 3 8 drywall between me and the outdoors where siding joined between upper lower sheets no z bar installed only lapped over approx.
The construction from outside in is.
Can i install hardie lap siding over 2x4 studs with no sheathing on a small deck guardrail.
We are also re building these 10x10 decks with a 2x4 framed guardrail.
While the installation of the vinyl siding without sheathing or housewrap behind it may be technically legal it is not good building practice and quite frankly is stupid.
I m do a re clad of a wood framed building.
Call it what it is an idiotic installation.
Or do you always need sheathing when doing hardie lap siding regardless.
Vinyl siding is a rain screen only and is not waterproof.
Where you ll often see plywood used instead of osb is in roof sheathing where the risks of moisture and leaks are greater.
1 no flashing windows or z.