How To Use GBX By @BondItUK @TheBaldBuilders
How To Use GBX By @BondItUK  @TheBaldBuilders
Uploaded August 2026 | Updated September 2026, 11 hours ago
How To Seal a Bathroom with GBX | Complete Beginner's Guide | Bond It GBX Tutorial

Want to learn how to seal a bathroom like a professional? In this step-by-step guide, I'll show you exactly how to apply Bond It GBX Next Gen STP Hybrid Sealant & Adhesive to achieve a clean, waterproof, mould-resistant finish that lasts.

Whether you're sealing a shower tray, bath, basin, wet room or bathroom corners, this tutorial covers everything you need to know from preparation and application to tooling and achieving that perfect finish.

GBX is one of the latest hybrid sealants on the market, combining high grab strength, permanent flexibility and waterproof performance in one product. It's suitable for interior and exterior use, resists UV and weather, is virtually odourless, and is designed to resist mould and bacteria build-up, making it ideal for bathrooms and kitchens. It also cures quickly, won't shrink or crack, and can even be applied to damp surfaces.

In this video you'll learn:

✅ How to prepare a bathroom before sealing
✅ The best way to apply GBX sealant
✅ How to tool the perfect silicone bead
✅ Common sealing mistakes to avoid
✅ Professional tips for a long-lasting waterproof finish

If you're a builder, plumber, tiler, bathroom fitter or DIY enthusiast, this guide will help you get professional results every time.

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Products Featured

Bond It GBX Next Gen STP Hybrid Sealant & Adhesive

Chapters

00:00 Introduction
00:30 Why choose GBX?
01:45 Preparing the bathroom
03:20 Applying the sealant
06:15 Tooling the perfect finish
09:00 Top tips & common mistakes
11:00 Final results

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How To Use GBX By @BondItUKTonight’s episode is live at 7pm 🏡😍 #construction #vlogsIt’s been a tough 10 years 😢 #construction #viral #shortsThe site hoarding has been delivered 😍 @sigroofinguk6933 #roofing #sigroofing #constructionNo screws? No problem @BondItUK GBX got you covered 💪🏡 #construction #howtoLaying Ardex k40 is so therapeutic  #howto #constructionchannel #shortsBrad & Sam VS A PERGOLA 😂 🤣  #constructionchannel #vlog #funny #diy #fail #shortsHow Did We End Up Opening This Tradepoint Store?Social media vs your boss 🤣What on earth is he wearing? #shorts #banter #fashion #matesOne Problem Solved... Three More Turned UpWe’ve been hands-on with the @howdens  Ilfracombe in-frame kitchen #kitchen #renovation #diy
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How To Use GBX By @BondItUK

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