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Underlayment Products
What Underlayment Do I Choose?
Underlayment is the last line of defense in the protection of your home. Your shingles are water shedding, and the underlayment should be water impermeable.
Each underlayment has some benefits, and some drawbacks. Ventilation is very important consideration when selecting product lines. If you have very little ventilation, you want a product with higher perm rating. If you have adequate ventilation, you want a product with a lower perm rating. Ask our specialist which is right for you.
Underlayments
Underlayment (Multiple Vendors)
Heavy Duty #30 Asphalt Felt
One of oldest forms of underlayment that utilize felt paper to keep water from penetrating the home. Semi-Breathable underlayment absorbs water vapor verse repels it like synthetics. More susceptible to micro tears, and can wrinkle if wet.
Coverage: 2 Squares
Underlayment (Multiple Vendors)
Standard Duty #15 Asphalt Felt
Much of the same benefits of #30 felt, except it is thinner, and more prone to wrinkling/tearing when compared to #30. It is a lower cost option for those that are price conscience..
Coverage: 4 Squares
Underlayment (Owens Corning)
ProArmor Synthetic
Synthetic underlayment has is highly resistant to water, and tear resistant. Fusion back coating with non woven front that is up to 12 times stronger than felt. Won’t absorb water and is inert to mold growth. Often less costly when compared to #30 felt.
Coverage: 10 Squares
Underlayment (Owens Corning)
DeckDefense Synthetic
Premium synthetic underlayment that is highly resistant to water, and tear resistant. TruTread technology that is 2X stronger than other comparable synthetic underlayment. Won’t absorb water and inert to mold growth.
Coverage= 10 Squares
Underlayment (Titanium)
Titanium UDL 50 Synthetic
Synthetic underlayment that carries a .05 perm rating. Highly resistant to moisture and inert to mold growth. Up to 25X stronger than #30 felt. Product carries a Class A fire rating, and Class 4 hail rating. Product line is a subset of the Owens Corning family of products. Premium product in the synthetic market.
Coverage= 10 Squares
Underlayment (GAF)
Felt Buster Synthetic
Synthetic underlayment polypropylene construction that won’t degrade like felts. Resists tearing and wind damage. This GAF’s starter synthetic line of synthetics
Coverage: 10 Squares
Underlayment (GAF)
TigerPaw Synthetic Underlayment
Synthethic underlayment that is thicker than Felt Buster with 7X greater tear strength than #30 felt. Moisture control system that may wick water. Great alternative to many synthetics that don’t allow the transmission of water vapor.
Coverage: 10 Square
Underlayment (GAF)
Deck Armor Synthetic
Premium thick underlayment from GAF that is breathable. With a 16 perm rating, it allows for the exchange of water vapor to it doesn’t get trapped between your roof plywood sheathing. Great for older homes that may have ventilation troubles in their attic.
Coverage: 4 Squares or 10 Squares
Underlayment (ESP)
Low E Therma-Sheet Insulation
Ultra Premium underlayment that works to actively reflect heat away from your attic. Reduces the temperature below your roof deck saving energy and money. Has a R-6.4 downward heat flow value with a .008 perm rating. Great for homes that have cathedral ceiling or living spaces in the attic (Cape Cods). Premium product and worth the investment. Low-E Flashing tape to seal transitions of rakes
Coverage: 5 Squares