Technical Specifications
Block water damage.
When it comes to your new roof, don’t take
chances. Ask for the moisture protection
that Owens Corning
®
Deck Defense
®
High
Performance Roof Underlayment can provide.
New Deck Defense underlayment’s durable
synthetic construction provides an immediate
line of defense—so strong it can protect your
roof for up to 6 months
**
of UV exposure. It also
acts as a secondary water-shedding barrier for
your roof once shingles are installed. In addition,
unlike standard felt underlayment, it comes with
a 30-Year Limited Warranty.
*
A roof is a big investment. That’s why it’s
important to make sure it’s done right from the
beginning to help ensure it’s protected from
water damage in the attic. One of the first steps
to a high-performing roof is using underlayment
in conjunction with shingles to help shield your
home from moisture infiltration.
Repels and protects
• Offers long-term moisture protection for your roof compared
to standard felt underlayment
• Acts as a non-absorbent, secondary water-shedding barrier
• Reduces water intrusion when exposed
• Helps shield your home during roof installation
• Protects the roof deck for up to 6 months
**
of UV exposure
• 30-Year Limited Warranty
*
Guards and withstands
Endures and performs
• Durable synthetic construction resists tearing when walked on
• Stays intact in high winds
**
• Designed to reduce the chance for tears that can cause leaks
compared to felt underlayment
Standard felt tears
and absorbs water.




