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

SupaSeal Fire AC

Fire Rated Construction Internal Acrylic Sealant

Name: SupaSeal Fire AC

Cartridges: No

Sausages: Yes

Cure: Medium

Type: Acrylic

Supa Seal Fire AC is a flexible, one component acrylic sealant, fire-rated up to 4 hours for sealing interior and vertical exterior joints up to 50mm wide subject to moderate movement.

Ideal for Tilt-up construction/expansion joints, sealing fire door frames and service penetrations.  Also used for dry wall partitioning as an acoustic sealant to 56STC rating.

General information:- Seals at room temperature upon exposure to air with excellent adhesion to most common building materials generally without  the use of a primer.

Applied sealant remains permanently flexible, accommodating up to 30% total joint movement and will retain elastomeric properties under normal ambient conditions.


SupaSeal Fire AC complies with:

  • Acoustic Rating STC56
  • 4 hour Fire Rating

Some applications for this product include:

  • Sealing of plaster joints and/junctions
  • For penetrations through plaster wall systems
  • Sealing electrical cable penetrations
  • Sealing pipe (steel or PVC) penetrations
  • Sealing expansion joints in concrete or precast panel systems


  • Water Based
  • Paintable
  • Good Adhesion
  • Adhesion to most common substrates

Materials **

  • Aluminum
  • Galvanised steel
  • Concrete
  • Timber

** 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.

  • Grey