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Protect Your home With Premium "Breathable" Roof Deck Protection
Premium Roof Deck Protection should protect your home and “breathe” at the same time (amazingly, most so-called premium products do NOT breathe!)
It provides a critical extra layer of protection between your shingles and your roof deck — to help prevent wind-driven rain (or water from other sources) from infiltrating under your shingles and causing damage to your roof structure or to the inside of your home.
In addition, a premium quality roof deck protection will:
- “Breathe”
to allow moisture from inside your attic to escape (to help prevent structural decay, mold, and mildew)
- Provide longer-lasting leak protection
than conventional “felts” (which can rot or become brittle before your shingles reach their useful life)
- Lay flatter
so your shingles will lay flat and uniform
Deck-Armor™ Roof Deck Protection is a key part of the GAF-Elk Smart Choice® Roof System Solution
The very best roofing systems require premium, breathable roof deck protection
Deck-Armor™ Roof Deck Protection combines exceptional strength and superior breathability to help protect your home against roof rot and other costly damage!
- Exceptionally strong…
At least 600% (i.e., 7 times) greater tear strength than standard #30 felt!
- Revolutionary “breathable” technology…
Helps prevent inside moisture from becoming trapped within your roofing system—and causing mold, mildew, and expensive structural damage
- Premium construction…
Exceptionally durable, non-asphaltic construction will not rot or become brittle (unlike conventional asphalt felts which can disintegrate over time)
- Long-Lasting Protection…
Backed by a 25-year ltd. warranty against manufacturing defects
- Looks Better…
Unlike conventional asphalt felts, resists wrinkling or buckling, so it lets your shingles lay flatter for a better-looking roof
- Versatile…
Can withstand UV degradation for 180 days when left exposed
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| Conventional organic felts can absorb moisture, causing severe buckling and wrinkling —and a terrible-looking roof |
Deck-Armor™ Premium “Breathable” Roof Deck Protection resists moisture, so it lays flatter for a better-looking roof! |
Deck-Armor™ premium roof deck protection combines high tear resistance and nail pull-through with a special slip-resistant surface for exceptional walkability — even on steeper pitches!

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WARNING:
“If your roof can’t breathe, the result can be decay, mold, mildew and costly structural damage!"

Today’s modern homes are built weathertight — so common moisture (from cooking, bathing, cleaning, etc.) has less chance to escape. Using non-breathable roof deck protection can create a barrier that traps harmful moisture inside your roofing system. Over time, that can cause roof rot, mold, mildew and costly structural decay.
That’s why GAF-Elk does not recommend the use of non-breathable roof deck protection under its shingles!


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