January, 12th, 2026

Many customers come to HS Butyl to find a partner for building bespoke products for their projects. They’ve read our reviews and know we’re trusted and chosen by companies across the world. But for the rest of our customers, our extensive product range offers exactly what they need, at a great price. We have a popular range of products, and this blog breaks down the essential information you need on our best sellers.

0303 General Purpose Tape

This is one of our most popular products, thanks to its usability. It is most commonly used for:
  • For use as an air, dust or water seal for compression joints and seams
  • For sealing duct flanges in HVAC systems
  • For sound-deadening applications, particularly in vehicle construction
  • For use as a water seal in various caravan construction applications
  • For sealing lap joints in roofing and cladding systems
With a good adhesion to a wide range of substrates, great UV resistance and long-term flexibility no matter its age. See our 0303 General Purpose Tape  

0305 General Purpose Tape

A general-purpose HS Butyl tape, this long-term solution is used in projects around the world. Common use cases include:
  • For water sealing applications in vehicle construction
  • For use as an air, dust or water seal for compression joints and seams
The softer composition makes this product highly conformable, and it boasts a good adhesion to a wide range of substrates. See our 0305 General Purpose Tape  

0311 High-Performance Tape

For higher-specification roofing applications, such as the sealing of rooflights, this high-performance tape delivers fantastic results. Easy to use, minimal mess and great UV resistance - this product is the definition of high quality and performance. See our 0311 High-Performance Tape  

0361 High-Performance Tape

0361 is a high-performance HS butyl tape supplied either as a tape or in drums. For sealing joints where the tape will be in contact with potable water (see also 0361 WTT), or for bonding and sealing watersheds to car doors. Widely adhesive, highly conformable and flexible throughout its service life. See our 0361 High-Performance Tape  

0361 WTT Water Tank Tape

Our water tank sealing tape is a high-performance HS butyl tape laminated with a hard closed-cell PVC foam. Used for sealing flange joints in GRP sectional water tanks, with a maximum tank height of 4 metres for tanks for the Northern European climate, but only 2 metres for warmer climates. The foam component allows good compression without squeezing the sealant out of the joint, can be repositioned during tank construction if applied foam-side down and offers ‘L’ and ‘U’ shaped sealant for perimeter seals and partition seals. See our 0361 WTT Water Tank Tape  

0421 General Purpose Tape

0421 is a preformed HS butyl tape that is designed to create a permanent flexible seal for caisson rings/box culverts and manhole sections in accordance with BS EN 1917. The most common use cases include:
  • Sealing concrete caisson rings
  • Sealing box culverts
  • Sealing manhole sections
See our 0421 General Purpose Tape

We’re here to help

Proven in the marketplace and shown to perform for the long term, our products can be found all over the world. If you’ve had failures on roofs or you’re tired of using poor-quality products, talk to our team now.