Brittain nc lic 3262 august 6 2013 1 28am 21 august here s a couple narratives i pulled from the mb there was no water resistive barrier visible at random sample locations at the exterior sheathing osb.
No tyvek behind siding.
Felt paper under hardi plank.
It is waterproof but allows smaller water vapor droplets through.
The barrier prevents wind driven moisture and when a nail is sealed it acts as a much smaller hole then if there was no tyvek.
Tyvek commercialwrap should be covered within 270 days 9 months.
How long should tyvek wb be exposed before it is covered with siding.
It seems that we have two options.
Up in the hills bonny doon ca facing south and west about 10 miles from the ocean.
It might work before i hand the siding and trim but after that it s swiss cheese.
The only place i have used tyvek in the past few years is the crinkly version under some rigid foam with lightweight stucco.
If tyvek is a good idea or not depends on where you are.
Tyvek homewrap and tyvek stuccowrap tyvek drainwrap and tyvek thermawrap should be covered within 120 days 4 months.
Asphalt felt tar paper the standard requirement is type 1 felt meeting astm d 226 standards.
During a recent repair to our siding we found that the house had no building wrap tyvek under the siding.
Is tar paper or housewrap needed under new siding.
During a recent repair to our siding we found that the house had no building wrap tyvek under the siding.
Roofing felt seals around the nail after it heats up.
This explains why the house does not retain heat.
Come up with another detail to keep the siding off the tyvek.
One would be to remove the siding wrap the house and then reside it.
No tyvek behind siding kbrittain kenneth r.
While some believe that the original product was.
Take the tyvek off and start over with a better detail i typically detail 1 polyiso w a weather resistive barrier over that and then a vented air gap w battens to hold off the siding 2.
Dupont tyvek goes on the wood sheets and is covered up by a waterproof siding shingles.