Admil NZ suppliers of high quality Silicone Sealants & Adhesives for the automotive, marine, industrial, glazing and manufacturing and construction sectors.

SupaSeal RTV1

Professional 100% Neutral Curing General Purpose Sealant.

Name: SupaSeal RTV-1

Cartridges: Yes

Sausages: Yes

Cure: Neutral

Type: Silicone

Supaseal RTV-1 100% Neutral Silicone is designed for general purpose glazing, industrial, and automotive sealing applications where excellent adhesion and long-term reliability is required.  

It reacts with atmospheric moisture to produce a form in place silicone rubber seal. Weathering and UV resistance is excellent.


SupaSeal RTV-1 has the following certifications:

  • BS 5889 building approved 
  • AS4020 potable water approved

Some applications for this product include:

  • General purpose glazing and weather sealing, BS 5889 building approved
  • Roofing, gutters, and rain water tanks AS4020 Approved Potable Water
  • Electrical sealing and insulation
  • Automotive, caravan, and truck body sealing, and assembly


  • Non Corrosive
  • 5-8 minute skinning time
  • UV Resistant

Materials **

  • Glass
  • Aluminum
  • Galvanised steel
  • Concrete
  • Timber
  • Wood
  • Ceramics
  • Plastics
  • Most powder coated surfaces.

** Materials are an indication only and some surfaces may need additional preparation prior to application. Admil Prosil Primer 1 is recommended where future preparation is required.

  • Translucent
  • White
  • Black
  • Light Grey
  • Special Colours on Request.