The facia has vents drilled in it currently.
New siding over t111.
The roof has virtually no pitch.
Nor can you overlay compromised t1 11 with a non structural panel and assume that it still meets the structural requirements.
1 should i include a moisture barrier over the existing felt for the front of the home prior to hardiplank install.
I want to put horizontal and vertical siding over the t1 11 with some wrb and coraplast strips behind it.
I am working with a customer to install new windows and reside their house which currently has t111 siding with hardiplank lap siding.
However there are several factors to consider before installing new siding over it.
Hardie panels are not structural you can t just replace one with the other.
I have been reading various opinions on this topic and hope to generate some conclusion on what is the right choice.
I have a house with t1 11 as it s siding sheathing.
Bought in big sheets 4 8 or 4 12 these sheets can cover lots of sf very easily.
I am quoting a reside for a ho it is currently single wall construction t 111 siding w 15 felt under the siding.
But would the double layer of building paper tend to trap moisture in the t1 11.
Lastly while t 111 siding is one of the least expensive siding products it needs painting or staining every few years and is generally not nearly as durable as many others.
T1 11 fits that description.
I will be installing hardie plank siding over the t 111 using it as sheeting.
That in my mind anyway raises the question of whether to apply a second layer of building paper under the shingles or to just shingle directly over the plywood.
It has a flat roof and no overhang.
In this case would you recommend eliminating the vents.
T1 11 was a bad idea in damp climates for a number of reasons.
The condition of the t1 11 should be examined carefully.
By jenica lee november 29 2012.
Now the kicker is whether or not to run 30 felt over the t 111 before siding.
My inclination is to do the former apply a layer of building paper under the new shingles or siding.
Can new siding be placed over old siding.
T1 11 siding is usually the structural sheathing not merely siding.
If you are considering new siding i d suggest reviewing all options before proceding with a 2nd layer of t 111 siding.
15 felt is a poor wrb at best so my gut instinct is that it is a good idea to throw a layer of 30 felt on before.
2 should i add a moisture barrier over the existing t111 siding for the other three sides of the home.
Above all it is extremely important that there is a substrate whether it s new osb or existing siding in good integrity installed directly to the studs underneath the hardieplank siding.
Overlay of hardie plank siding over plywood t1 11.
