No Tyvek Behind Siding

How long should tyvek wb be exposed before it is covered with siding.

No tyvek behind siding.

No tyvek behind siding kbrittain kenneth r. Up in the hills bonny doon ca facing south and west about 10 miles from the ocean. Vinyl siding is one of if not the most popular exterior cladding for residential homes. Tyvek is like goretex a la mountain jackets but for houses.

While some believe that the original product was. It might work before i hand the siding and trim but after that it s swiss cheese. If tyvek is a good idea or not depends on where you are. During a recent repair to our siding we found that the house had no building wrap tyvek under the siding.

Tyvek commercialwrap should be covered within 270 days 9 months. Asphalt felt tar paper the standard requirement is type 1 felt meeting astm d 226 standards. There is no logical reason not to have house wrap under vinyl siding and many authorities strongly agree that it should be viewed as mandatory even if your local building codes don t necessarily require it. Dupont tyvek goes on the wood sheets and is covered up by a waterproof siding shingles.

Tyvek homewrap and tyvek stuccowrap tyvek drainwrap and tyvek thermawrap should be covered within 120 days 4 months. Come up with another detail to keep the siding off the tyvek. The only place i have used tyvek in the past few years is the crinkly version under some rigid foam with lightweight stucco. 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.

Roofing felt seals around the nail after it heats up. During a recent repair to our siding we found that the house had no building wrap tyvek under the siding. This explains why the house does not retain heat. 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.

Is tar paper or housewrap needed under new siding. Felt paper under hardi plank. It is waterproof but allows smaller water vapor droplets through.