T1 11 was a bad idea in damp climates for a number of reasons.
New siding over t1 11.
Nor can you overlay compromised t1 11 with a non structural panel and assume that it still meets the structural requirements.
But would the double layer of building paper tend to trap moisture in the t1 11.
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.
1 should i include a moisture barrier over the existing felt for the front of the home prior to hardiplank install.
I have a house with t1 11 as it s siding sheathing.
Though t1 11 siding is durable and improves the support of the structure it requires much more maintenance and needs to get refinished with stain every 3 to 5 years.
Hardie panels are not structural you can t just replace one with the other.
The facia has vents drilled in it currently.
T1 11 siding is usually the structural sheathing not merely siding.
Overlay of hardie plank siding over plywood t1 11 some arizona houses were built with wood siding normally called t1 11.
Overall the versatility of t1 11 makes it a great building material to work with.
2 should i add a moisture barrier over the existing t111 siding for the other three sides of the home.
Inspect the t1 11 siding carefully.
It has a flat roof and no overhang.
Make sure that the entire surface is clean and dry.
In this case would you recommend eliminating the vents.
Replace any sections that show rot or decay with either new t1 11 or plywood of the same thickness.
Learn about t1 11 siding how it serves two purposes and cuts down the steps you need to take before adding new siding.
The actual question is should the current siding be removed with osb installed or should the current siding remain to act as a substrate an additional layer beneath the top layer under the new hardieplank siding.
I have been reading various opinions on this topic and hope to generate some conclusion on what is the right choice.
Bought in big sheets 4 8 or 4 12 these sheets can cover lots of sf very easily.
Siding serves a number of important aspects so picking the correct one for your new shed is essential.
The roof has virtually no pitch.
In addition t1 11 plywood siding can be painted quite easily which gives homeowners a great option for switching up the exterior look of their home without tearing out and re installing new siding.
My inclination is to do the former apply a layer of building paper under the new shingles or siding.