Product detail
StarWrap Diamond Synthetic Roofing Underlayment
A beautiful, sturdy, leak-proof roof is only possible because of high-quality materials and innovative products. StarWrap synthetic underlayment provides comprehensive protection for roofing contractors, backed by a limited 50-year warranty and a 180-day UV Exposure Guarantee.
Our synthetic underlayment products are stronger, more skid-resistant, easier to apply, and handle. These reliable, 100% recyclable materials are built to last at price-competitive standards, designed to withstand any weather condition.
You need better performance, consistent application, and premium quality. You need StarWrap.
Features
StarWrap Diamond is a highly engineered, mechanically attached, coated woven synthetic roofing underlayment for sloped roofs. It is specifically manufactured to replace 30# felt.
Limited 50-Year Warranty and 180-day UV Exposure Guarantee
Cool Gray
Surface
cooler working surface.
Extreme Strength
& Durability
Up to 35 times stronger and 8 times lighter than comparable 30# felt, it provides tough, durable weather resistance and tear resistance.
Enhanced Slip
Resistance
Anti-slip coating that enhances the skid-resistant properties of the synthetic roofing underlayment and protects against costly slips and falls.
Lightweight for
Easy Handling
during all stages of installation.
Quick & Efficient
Installation
This underlayment installs quickly
and easily, and has more coverage per course than standard roofing felt.
Weatherproof
Reliability
Highly water-repellent, anti-warping, anti-wrinkling, and anti-cracking in cold weather.
Eco-Friendly
& Recyclable
and is a Green Building Product.
Cost-Effective
Performance
and discounts.
Application
StarWrap synthetic underlayment serves as a barrier between roofing materials, providing protection, enhanced performance, and stability to roofing projects. Contractors and roofing installers can use StarWrap products to create a barrier against sound, temperature, and moisture, while enhancing the stability, durability, and performance of finished roofing surfaces.
Coverage: Approx. 950 ft per roll or less, depending on the overlap and roof design.
Use: Under asphalt shingles, tile, or metal roofs.
Preparation: The deck must be dry and free of dust, dirt, loose nails, debris, and other protrusions. Ensure the deck has no voids, damage, or unsupported areas.
Damaged sheathing must be replaced.
Technical Data
Technical Data for StarWrap Diamond versus the leading comparable 30# Felt Product.
| Specifications | StarWrap Diamond | 30# Felt Product |
|---|---|---|
| Length Per Roll | 250’/76.20 m | 72’/22 m |
| Width Per Roll | 48”/1.22 m | 36”/0.92 m |
| Weight Per Roll | 30 lbs/13.5 kg | 60 lbs (27.2 kg) |
| Roll Size | 49 rolls | 30 rolls |
| Pallet Weight | 1470 lbs / 662 kg | 1440 lbs / 653 kg |
Download Our Product Brochures
| Properties | StarWrap Diamond | 30# Felt Product |
|---|---|---|
| Permeability | 250’/76.20 m | 1.75 perms |
| Water Transmission | Pass | Pass |
| Tear Strength (MD/CD) | 38 lbs/ 30 lbs | 4 lbs/2 lbs |
| Tensile Strength (MD/CD) | 106 lbs/90 lbs | 70 lbs/ 38 lbs |
| Burst Strength | 210 psi (1440 kPa) | 62 psi (430 kPa) |
| Elongation ASTM | 20% | 3% |
| Weight per Square | 3 lbs (1.35 kg) | 28 lbs (12.7 kg) |
| Nominal Thickness | 11 mils ( 0.28mm) | 60 mils (1.5 mm) |
| Temperature Range | -70 °F to 300 °F (-55 °C to 150 °C) | 14 °F to 212 °F (-10 °C to 100°C) |
*Values are based on typical data, not limiting specifications.
FAQs about Synthetic Roofing Underlayment Solutions
Customized Synthetic
Roofing Underlayment
StarWrap is proud to offer unique customization options for our underlayment that display your company or product logo.
We guarantee discretion, manufacturing, and distribution for high-quality private labeling if desired.
Confidentiality agreements are available for companies seeking to maintain their privacy when outsourcing their products.
Why Choose Our Products?
StarWrap synthetic underlayment is designed and manufactured by us, so you know you’re not dealing with pesky third parties or outsourced materials
We have personal experience working directly with roofing contractors, and our two decades in the industry mean we know how to design the best underlayment for real use.
Starwrap offers personalized and detailed graphics for our underlayment products bearing YOUR company logo.
Fast, efficient delivery options, because we know that when busy contractors need materials, they need them now.
Liability insurance and product warranties protect you and your products from damage, ensuring your products are covered and our synthetic underlayments are installed worry-free.
StarWrap Superior includes a 90-day UV Exposure Guarantee with a 25-year Warranty, and StarWrap Diamond includes a 180-day UV Exposure Guarantee with a 50-year Warranty. StarWrap maintains the highest quality standards on all our products.
