GARDNER-GIBSON 5576-1-30 5GAL White Roof Coating

TLDR Review: GARDNER-GIBSON White Roof Coating 5576-1-30

Published: May 26th, 2025
Last Updated: July 18th, 2025

Pros

  • β€’Excellent for sealing RV roofs, particularly effective on low spots that collect water, such as slide outs.
  • β€’Dries to a rubbeike seal, providing long-lasting protection.
  • β€’Ideal for severe weather conditions, including heavy rain and hot summers.
  • β€’Highly effective for sealing and preventing leaks, especially in older buildings and large roofs.
  • β€’Applies easily and dries quickly, particularly on sunny days.
  • β€’Superior at sealing persistent leaks and cracks compared to simpler elastomerics or silicon mixes.
  • β€’Can be painted over with oiased primer for aesthetic purposes.
  • β€’Smooth and easy application process.
  • β€’Recommended for use with two coats for best results.
  • β€’Good quality and performance noted in previous experiences.

Cons

  • β€’May not withstand excessive standing water over time, potentially leading to future cracks or leaks.
  • β€’Sourcing was an issue locally, highlighting the importance of availability.
  • β€’Effectiveness yet to be fully confirmed until tested during rain.

Bottom Line

The GARDNER-GIBSON 5576-1-30 5GAL White Roof Coating is a reliable choice for those looking to protect their RV or larger roofs from harsh weather conditions. It's praised for its long-lasting rubber-like seal and effectiveness against leaks. However, it might struggle with standing water, and local availability can be a hurdle. Two coats are recommended for the best effect, and you'll want to ensure the skies are clear during application. This product is ideal for protecting roofs that require durable, weather-resistant solutions.

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