Oriented strand board or osb is a siding product sold in sheets or laps depending on preference.
Is lap siding put over osb.
When considering plywood for sheathing builders choose from 1 2 inch cdx common construction grade material or 1 2 inch pressure treated plywood.
As its name lap implies an upper siding board laps over the board below it by 1 to 2 inches.
There are two options for this.
Most lap siding is beveled meaning that the bottom edge is thicker than the top.
On thick profiles of siding nails may be hidden meaning they are driven into the upper portion of a board so they are covered by the lower part of the board above it.
Or directly to minimum 7 16 thick osb sheathing.
But the size of the roof overhang the species of siding and whatever sealer stain or oil used wood be big factors in the duability of the install.
Yes you may be able to save some money by not removing the old siding but that old siding could be hiding problems that may.
Siding materials can dramatically change the appeal of a home exterior by improving its look and style but the value of siding goes far be 7 trendy yet functional siding styles your home s siding is an invaluable part of its overall curb appeal.
Hardiplank lap siding can be installed over braced wood or steel studs spaced a maximum of 24 o c.
The main concern to understand is that the hardieplank siding is going to be on the house for.
Nailing vertical siding to osb sheathing not a fan of osb except w sips where there s no choice.
If you re wondering why the roofers can t just install new shingles and roofing accessories over your existing roof deck this article will guide you through one of the most common reasons.
If you re replacing your cedar shakes roof check out our discussion of re sheeting over skip sheathing.
Hardiplank lap siding can also be installed over foam insulation up to 1 thick irregularities in framing sheathing and or foam insulation can mirror through the finished application.
Your roof deck may be shiplap.
Why siding over existing siding is a bad move.
In the end the decision to install house wrap under your siding is a personal one that you should make after discussing it with your contractor.
Remove the siding and install oriented strand board commonly referred to as osb or to use the existing siding that s on the house now as substrate or layer beneath the top surface underneath the hardieplank siding.