If you don’t find your question answered here, contactone of your local Tyvek® Specialists (found on the contractors page) to help you getan answer.
- If I insulate, why do I need Tyvek® HomeWrap®?
The installed R-value of insulation is only realized if the airwithin the wall cavity stays still and dry. An average 10-mphwind can easily penetrate cracks and crevices even in new homes.You could be losing up to 30% of the performance of your insulation.Tyvek® HomeWrap® is designed to help block air from getting insidewalls. Properly installed, it helps keep drafts out and protectsyour insulation’s rated R-value. Tyvek® HomeWrap® gives you the added benefitof helping to protect your walls from water and moisture.
- Does Tyvek® HomeWrap® have an R-value?
Housewraps have no significant R-value. R-value is the measured insulation value under no air movement.
- ERROR MSGWhat is the difference between Tyvek® HomeWrap® and black paper?
Black paper or building paper was not designed as an air retarder like Tyvek® HomeWrap®. Unlike Tyvek® HomeWrap®, building paper can also absorb water. Building paper tears easier than Tyvek® and can degrade over time when under continual exposure to water. Building papers are less permeable to moisture vapor transfer than Tyvek® increasing the potential for moisture vapor trapped inside the wall to cause mold, mildew and rot.
- What is the difference between Tyvek® HomeWrap® and other housewraps?
Many other wraps are perforated, which means in order for themto breathe, the manufacturer has punched holes in them, resultingin a reduction of air and water holdout effectiveness. Tyvek®is a non-perforated, nonwoven product with microscopic pores thatare so small, air and bulk water have a difficult time passingthrough. But since Tyvek® HomeWrap® breathes, moisture vapor can easilyescape from the wall.
- hotels in LilleCan you use Tyvek® HomeWrap® under any primary facade?
Yes, Tyvek® can be used under any façade including brick, stucco,vinyl, cedar siding, and stone. Proper installation under eachfaçade is essential to ensure Tyvek® provides the maximum levelof air infiltration resistance and bulk water holdout.
- Can Tyvek® HomeWrap® be used in attics? On roofs? Under Floors? On the interior?
luxury hotels in BirminghamIn Canada and the U.S., Tyvek® only has been tested and approvedas a wrap behind exterior walls. It has not been tested for anyother applications. In Europe there is a grade of Tyvek® for rooflining.
- How do I get Tyvek® HomeWrap®?
Tyvek® HomeWrap® is availble through a contractor near you. Please referto the contractor section of this web site for a name and phone number.and lumber yards.
- Is Tyvek® HomeWrap® recyclable?
Tyvek® can be recycled with other HDPE products (plastics suchas milk or water jugs) at more than 70 facilities nationwide.Tyvek® is nontoxic, chemically inert, naturally white and contains no binders or fillers.
- Can I use Tyvek® StuccoWrap™ under brick?
Yes. It is perfectly acceptable to use Tyvek® StuccoWrap™ underbrick. Whether using Tyvek® HomeWrap® or Tyvek® StuccoWrap™ underbrick it is important to follow brick manufacturer’s guidelinesregarding the use of an air space between the brick veneer andsheathing. Typically this space is 1"-2" and will act as a drainageplane if incidental moisture were to penetrate the brick.
- How many rolls of Tyvek® HomeWrap® are required for a typical two-storyhouse?
For a typical two story, 2500 square foot house, two rolls of Tyvek® size 9’ x 150’ should be adequateto wrap the house. However, this estimate may vary slightly dependingon the house elevation.
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