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| Certification: | CE |
| Color: | Grey |
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OPERFECT™ Synthetic Roofing Underlayment is an excellent 100% synthetic roofing felt designed for the replacement of 15 lb/ 30lb asphalt felt.
It can be used for steep-slope roofing to provide a lasting layer of protection against wind-driven rain, shingle blow-offs, and damage caused by adverse weather conditions. It is designed to use under the wood decks, asphalt, synthetic shingles, residential metal, cedar shakes, etc.
OPERFECT™ Synthetic Underlayment helps seal your home against water damage and other moisture infiltration which can cause mold growth and rotting deck boards. Operfect™ Synthetic Underlayment is up to 2 times stronger than competitive synthetic underlayments and offers excellent wind resistance and durability through heavy roof traffic and adverse weather conditions.
| Test & Standard | 16 lbs | 18 lbs | 21 lbs | 23 lbs |
| CLASS a Fire ASTM E108 | Pass | |||
| Nail Sealability Modified ASTM D1970 | Pass | |||
| Water Permeability ASTM E96 | No Dripping | |||
| Water Transmission ASTM D4869 | Pass | |||
| Tear Strength ASTM D4533 |
MD 15 lbs
CD 17 lbs
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MD 21 lbs
CD 20 lbs
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MD 18 lbs
CD 21 lbs
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MD 57 lbs
CD 45 lbs
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| Tensile Strength ASTM D751 |
MD 65 lbs
CD 52 lbs
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MD 80 lbs
CD 65 lbs
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MD 85 lbs
CD 84 lbs
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MD 115 lbs
CD 128 lbs
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| Elongation ASTM D751 | MD 19%/CD 18% | MD 19%/CD 18% | MD 19%/CD 18% | MD 19%/CD 19% |
Feature of synthetic roofing underlayment:
High tear strength, a proprietary walking surface
Manufactured from post industrial recycled materials and 100% recyclable for today ecological building technology.
Warranted for 6 months UV(ultraviolet) resistant.
25 times stronger and 2.5 times lighter than organic felt.
Pre-printed nailing pattern and overlap lines to speed installation.
For the years since it was set up in 2001, JINAN UNITED PERFECT BUILDING MATERIALS CORPORATION
has been manufacturing foil lamination, thermal insulation, roofing membranes, and fiberglass products for customers. Our products can make your home, office, or factory more comfortable and energy efficient.
Our company has gained certificates of ISO9001, and ISO14001 quality management and set up strict quality control systems. For our products, FM, CE, TUV, and CCS certificates are needed to develop the markets.
Based on mutual trust and win-win policy, we are pleased to establish long-term cooperation with customers from America, Germany, India, Malaysia, Vietnam, Argentina, Brazil, Saudi Arabia, Greece, etc.
We are committed to providing the Earth with a better and greener tomorrow by putting a stop to climate change with our products.
Q:Is Roof Underlayment Necessary?
A:Underlayment is an important component to the overall roof system as it serves as an extra layer of protection for your roof. Roof underlayment will: * Protect against moisture penetrating through the roof, resulting in leaks. * Add extra insulation to your home to keep it from being drafty. * Absorb noise from rain or other elements on the roof. * Ensure that the roofing material laid on it looks uniform and even . * Keep your roofing warranty valid if applicable.
Q:What Is Synthetic Roof Underlayment?
A:Synthetic underlayment is a roofing accessory composed of laminated polypropylene or polyethylene plastic that goes over the roof deck and serves as an extra layer of protection from the elements for a roofing system. It has excellent durability as the material does not absorb moisture. This makes it the right material to choose when drying in a roof.
Q:How Long Can Synthetic Roof Underlayment Be Exposed?
A:Within a certain timeframe, synthetic underlayment can be left exposed to the elements and not be damaged. The time frame depends on the specific manufacturer of the underlayment as each is different. We recommend, roofing underlayment which can be exposed for 6 months to 12 months.
Q:Synthetic Underlayment Cost vs. Felt Underlayment Cost
A:Synthetic is a higher quality product but also comes with a higher cost. * Non adhesive synthetic roof underlayment costs 17 cents to 25 cents per square foot * Self adhering underlayment cost 50 cents to 75 cents per square foot * Felt roof underlayment costs 5 cents to 10 cents per square foot.
Q:Synthetic Underlayment Weight Vs. Mil Thickness
A:Non adhesive synthetic roofing underlayment isn't created equally. There are lots of high quality synthetic roof underlayment brands , but there are also some low quality brands. They try to trick you with a lousy product and fancy marketing. The weight of the synthetic underlayment is a great indication of the quality of the underlayment. The membrane layer is where you get your water proofing and abrasion resistance. In an effort to save money, there are brands of synthetic underlayment that boast about their mil thickness. This can be misleading though as some of these underlayment have a fuzzy top layer for walkability that's a false indicator of the materials thickness.
Q:Is Synthetic Roof Underlayment Better Than Felt Underlayment?
A:Synthetic roof underlayment is the most preferred form of underlayment material for its strength and tear resistance. Synthetic was actually created to be a product that solved the problems that felt underlayment, or roofing felt, has. For years, felt was the go-to material to use for roofing underlayment. Only within the last two decades has synthetic underlayment hit the market as an improved product that would not have the problems with felt.
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