Penetration Flashings for Every Roof Type in Austin, TX

In Stock & Custom Fabricated

At Capitol Company, we stock hundreds of high-quality penetration flashings for every roof type—including shingle roofs, metal roofs, flat roofs, and tile roofs. Whether you're a contractor, builder, or doing it yourself, we’ve got the right solution for your job. We fabricate all of our own metal flashings in-house to ensure top-tier durability and fit. We also carry premium branded products, including the original Decktites and extra-tall lead jacks, trusted by professionals for superior performance.

Austin’s Largest Selection of Roof Jacks – All Sizes & Pitches

Capitol Company proudly offers Austin’s largest selection of roof jacks, available in:

  • Tapered barrels
  • Straight barrels
  • All standard roof pitches
  • Diameters from 3" up to 16"

No matter your roofing specs, we have the right roof jack ready to go. Need something specific? We can also custom fabricate roof jacks to your exact dimensions, ensuring a perfect fit every time.

Durable Pitch Pans & T-Tops – Galvanized for Long-Term Protection

We stock galvanized steel pitch pans and T-Tops in the most commonly used sizes:


  • 4" x 4"
  • 6" x 6"
  • 8" x 8"


These heavy-duty components are built to withstand the elements and deliver a reliable seal around roof penetrations—ideal for flat roofs and commercial installations.

Lead Pipe Jacks – Multiple Sizes In Stock

Capitol Company carries a wide variety of lead pipe jacks, available in:


  •  1½"
  • 2"
  • 3"
  • 4"
  • 5"


Our lead jacks are crafted from high-grade materials to provide a long-lasting, weatherproof seal around vent pipes and other roof penetrations.


Why Choose Capitol Company?

From small jobs to large-scale roof builds, Capitol Company is your one-stop shop for penetration flashings, roof jacks, and roofing accessories in Austin and Central Texas.

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Massive in-stock inventory

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Custom fabrication available

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Top brands & materials

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Fast, friendly service

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Local experts serving Austin for decades

  • What is a penetration flashing used for?

    Penetration flashing is designed to seal around pipes, vents, and conduits that pass through the roof or wall, protecting against water intrusion.

  • What materials do you use for penetration flashing?

    We fabricate flashing from galvanized steel, copper, stainless or paintgrip to match your roof system and performance needs.

  • Do you offer both standard and custom sizes?

    Yes. We stock standard pipe flashings and fabricate custom boots and sleeves for unique penetrations.

Contact Us Today

Let our expert team help you find the perfect flashing or custom solution for your next roofing project.

Call us at 512-836-9654

Email: capitol@austin.rr.com

Visit our showroom in Austin, TX