Roof Products

Roof coatings, underlayments, adhesives, fasteners and more...

roof coatings

Aloha Roofing Supply has the best selection of long-lasting, high-quality roof materials, including tools and supplies for installation including fasteners, underlayments, adhesives, caulking and top coats for all Oahu roofing projects, from commercial developments to renovations and residential roof jobs. You can see a sample of our most popular roof products below.  Need delivery? Let us  bring all of your materials to you.

APOC Roof Felt on Kauai




Roof underlayments are water resistant or waterproof base layers that are used beneath the primary roofing material. APOC carries the widest variety of ASTM rated and non-rated organic felts. Our synthetic underlayments can be used with asphalt shingles. Read More.

Gaco Roof Coating Products
HydroStop Roof Coatings

Roof Coatings & Accessories (Silicone and Acrylic)


Gaco Western

GacoRoof 100% Silicone Roof Coating creates a seamless membrane to seal and repair existing roofs and permanently protect against leaks, permanent ponding water, and the damaging effects of severe weather. Whether your roof is large or small, flat or sloped, GacoFlex Silicone Roof Coating Systems provide a proven, guaranteed solution for renewing your weathered roof. They can be applied to virtually any existing roofing surface to create a seamless membrane that protects against permanent ponding water, ultraviolet light, and severe weather. Read More.



The HydroStop® PremiumCoat® Finish Coat is a water-based acrylic top coat. Used in conjunction with the HydroStop® PremiumCoat® Foundation Coat and HydroStop®  PremiumCoat® Fabric, it creates the HydroStop® PremiumCoat® System, which is a roofing and waterproofing solution for coating, recover, reroof and new roof applications. It provides a fully-adhered, adhesively attached, breathable acrylic membrane and a complete roof cover. Read More.

National Coatings logo

Offering Superior, Leak-Free Roofing Systems while Reducing Costs


Looking for a cost-effective, sustainable roofing system that will perform and protect your building indefinitely?  National Coatings has a range of high-performance, waterproofing systems that will keep your building dry and leak-free.  These renewable systems are custom installed to meet your roof’s specific needs.  Once installed, your new roof will be a seamless, water-tight membrane that is fully compliant with state wide codes and energy conservation programs. 

Roofing Nails and Fasteners on Kauai



  • Stainless Steel Coil and Hand Drive Roofing Nails
  • Hot Dipped Galvanized Coil and Hand Drive Roofing Nails
  • Copper Roofing Nails
  • Stainless Steel Metal Roofing Fasteners
  • Stainless Steel and Hot Dipped Galvanized Framing Nails and Hand Drives
Cooper Roof Flashing on Kauai

Flashings (Copper and Painted), Pipe Jack & Vents


Lead Flashing Pipe Jacks – residential and commercial

  • Base & 2 1/2# Riser, Seamless 12″ Adjustable Riser
  • Ideal for composition & other types of roofs that don’t require conformity to its shape
  • Multi-Size 3 N 1® Galvanized Steel Base Roof Flashings
  • Galvanized Steel
  • 24-Gauge Galvanized Base
  • Multi-Size 3 N 1® Flashing Fits 1 1/4′ – 3′ Vent Pipe
  • Fits Any Roof Pitch To 45°


Copper & Galvalume Flashings

Drip Edge, Roof-to-Wall, L-Flashing, Step Flashing, Valley Metal and Z-Bar Flashings

APOC Roof Products Kauai

Caulks, Adhesives and Roof Patch



Need to fix a roof issue quick? APOC offers a number of solutions for roof patch and repair. Our line of reinforced fabrics and roofing cements can seal off problem areas. We also carry emergency, self-adhered butyl repair tapes in a variety of colors.


Seal the elements out with our line of acrylic patches, modified silicone sausages, SBS modified asphalt tubes, thermoplastic sealants, wet and dry cement, and clear silicone tubes. APOC’s caulks and sealants meet ASTM standards for use on concrete, single ply roofs, metal roofs, and BUR repairs. Read More.

Photos to Inspire Your Roof Choice


If you are unsure of what would look best on your home or business you can stop in at our Kapolei location; it is our pleasure to match you with the best roofing option to match your home or buildings’  style.

Just when you thought it couldn’t get any better, Roof Hub is at your fingertips on the desk and on the go!


Created specifically for the roofing trade, it’s the ideal tool for contractors of all sizes and complexity. Roof Hub makes it easy to get a new project underway or order more materials for an existing job. Its real-time delivery tracking shows you exactly where your orders are, not just that they’re on the way. The delivery-confirmation photos help you verify safe and complete deliveries!