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SBV and SGV21

Premseal 21 Series foam sealants are manufactured from closed cell PVC with a very low density & a low force to compress. They are essentially closed cell structures coated with a pressure sensitive acrylic adhesive and require 30% compression to create a water seal.

They are available in rolls, logs and gasket form.

SBV and SGV21

Typical Applications

Applications include:

  • Roofing and cladding seals
  • Coldroom panels and cold bridging
  • Sealing partition walls
  • Heating and ventilation
  • Rooflights, access doors and gutter joints
  • Profiled sheeting
  • Prefabricated tanks
  • Cushioning

Product Features

  • Slit to order – many widths and thicknesses available
  • Release liner on non-adhesive face, reducing dimensional change during application
  • Flexible and conformable
  • Clean, economical and easy to use


 SBV and SGV21
WidthSlit from log form to desired width
Service temperature-30°C to +70°C
Application temperature+10°C to +40°C
UV resistanceVery good
Dilute alkali & acid resistanceGood
ColoursBlack / Grey
Thicknesses (mm)Black: 15mm
Grey: 10, 12, 15, 20mm
Density (kg/m3)90 – 130
Shore Hardness (00 Scale)14
Force to Compress 30% (Ncm²)0.5 – 1.6
Tensile strength (Ncm²)16


Enquiry about this product Data Sheet PDF Health & Safety Sheet