Sailing Uma · video

What this video covers

Applying spray-on cork insulation to a boat hull requires a specific, porridge-like consistency to ensure proper adhesion and prevent the binder from separating from the cork particles.2:53 Initial attempts to spray the material failed because the mixture was too thin, a problem compounded by the addition of water and improper mixing techniques.0:52 To achieve the correct application, the material must be mixed for at least 15 to 20 minutes without adding any water.16:25 Proper preparation involves cutting the bottom of the bag to ensure the glue and cork are dispensed together, rather than dumping the bag and allowing the binder to settle at the bottom of the bucket.8:54 Maintaining a consistent, thick, creamy texture throughout the spraying process is critical; having a second person continuously mix the material while the sprayer operates prevents the mixture from settling or clogging the spray gun.14:37

More from Sailing Uma

Solar Sponsor Backed Out Before Sailing Around the World !Sep 2026Our boat won’t look the same after this | Step 495Aug 2026The ONE Thing We Disagreed on This Entire Refit | Step 494Aug 2026We Owe You The Full StoryJul 2026

From Sailing Uma — see the channel’s boat, crew, and every analyzed video.

The Sailing Directory Newsletter

One email with the fleet's best finds — the moments, boats, and stories worth your watch time. Enter your own address to get your own copy.