Introducing the newest innovation from Elk – Quantum 30 Hybrid Underlayment. Combining advanced technologies for superior protection and ease of application, Elk has created the most unique hybrid underlayment currently available on the market. Elk Quantum 30 is a hybrid product created from asphaltic polymer and synthetic fabrics. Combining the best of both products, Quantum 30 boasts a lightweight material that’s easy to carry, easy to install, but almost impossible for water to penetrate. Consistently outperforming conventional felt roof underlayments, Elk Quantum 30 Hybrid Underlayment delivers unsurpassed results you’ll want again and again.

Competitive with ASTM 30 organic felt
Resists leaking and tearing
White surface is 30°- 50° cooler than other felt products
Resistance to slipping provides a safer installation
Lightweight, flexible material
Will not wrinkle or blow in the wind during installation
Won’t stick to metal roofing – thermal stability in excess of 260 F
Passes 110 mph wind test and 4-hour water spray test with cap and roofing nails
Left exposed, may protect a house for up to 4 months (black side up)
Hybrid technology combines asphaltic polymer and synthetic fabrics
or superior performance
Class “A” rating when used with Class “A” shingles