No Sheathing Under Siding

It adds insulation waterproofing and structural support for the framing.

No sheathing under siding.

There is no sheathing. In theory the sheathing on your home should never get wet as long as the proper preparations are made when siding the home flashing house wrap j channel caulk etc. Using 1 2 x 6 clear cedar bevel siding and since no sheathing insulation can be fiberglass any recommendations. Vinyl siding house wrap 1 1 4 pink hard insulation foam board 6 inches batt insulation and the inside sheat rock.

Call it what it is an idiotic installation. 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. We are also re building these 10x10 decks with a 2x4 framed guardrail. Where you ll often see plywood used instead of osb is in roof sheathing where the risks of moisture and leaks are greater.

If i add 3 8 ply then siding will be proud of corners and casings. I m do a re clad of a wood framed building. 1 no flashing windows or z. Vinyl siding is a rain screen only and is not waterproof.

My main concern was a wrb covered drainage plane which i was misled into thinking wasn t there. The wood that goes under residential siding exterior sheathing performs several functions. 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. Can i install hardie lap siding over 2x4 studs with no sheathing on a small deck guardrail.

The construction from outside in is. Tonight i was replacing some outdoor lighting only to find to me surprise this house has no ouside sheathing. Trim is elaborate and ornate so not replacing. I m replacing siding and insulating 1850 home.

I have seen houses with no sheathing old or non structural sheathing new and the foam could absolutely be structural enough to support the siding as long as adequate bracing is done it really doesn t matter.