KILARGO IS8036SI HEAVY DUTY DOOR BOTTOM SEAL - AVAILABLE IN VARIOUS SIZES
KILARGO IS8036SI HEAVY DUTY DOOR BOTTOM SEAL - AVAILABLE IN VARIOUS SIZES
The Kilargo IS8036si is a medium-duty automatic door bottom seal that face-fixes to single-action doors, finished with an architectural curved aluminium cover plate that completely conceals the fixings. The spring-loaded mechanism drops the silicone gasket as the door closes, sealing 3–10 mm gaps against fire, smoke, sound and draughts.
Key Features
What It's Used For
The IS8036si is the pick for visible retrofit installations – heritage doors, hotel and apartment entry doors, boardrooms and consult rooms – where the curved cover plate reads as an architectural detail rather than an add-on seal.
Use it to bring existing doors up to fire, smoke or acoustic compliance, or simply to stop draughts, noise and light under a door that can't be machined for a mortised seal.
Specifications
| Type | Automatic (drop-down) door bottom seal – medium duty |
| Mounting | Face-fixed with curved architectural cover plate |
| Suits | Single-action hinged doors (retrofit friendly) |
| Gap size | Min. 3mm / max. 10mm |
| Trim | Reinforced nylon push-fit end plates (grey; black on request) |
| Finish | Silver anodised aluminium cover plate |
| Antimicrobial option | Yes – select at checkout (AM silicone gasket) |
| Available sizes | 380mm cuts back to 275mm, 600mm cuts back to 380mm, 820mm cuts back to 600mm, 920mm cuts back to 820mm, 1070mm cuts back to 920mm, 1220mm cuts back to 1070mm |
| MPN | IS8036si |
Compliance & What It Means
Fire and smoke approvals apply to tested, proprietary door assemblies. Always confirm suitability for your specific door type and required rating with your fire door manufacturer or building certifier.
How does the IS8036si automatic door bottom seal work?
A spring-loaded mechanism inside the seal lifts the silicone gasket clear of the floor the moment the door opens, so there is no drag or floor wear. As the door closes, an adjustable strike button presses against the door jamb and automatically drops the gasket down onto the floor, sealing the gap under the door.
What's the difference between the IS8035si and IS8036si?
Both are medium-duty automatic bottom seals sealing 3-10mm gaps. The IS8035si can be face-fixed or semi-rebated and covers its screw line with a flexible PVC strip; the IS8036si is face-fix only and wears a curved, architectural aluminium cover plate for a more premium visible finish.
Is the IS8036si fire and smoke rated?
Yes. It is fire tested to AS 1530.4 in accordance with AS 1905.1 on proprietary fire door assemblies, holds medium-temperature smoke leakage approvals to AS 1530.7 (AS 6905) and conforms with BCA Specification C3.4 smoke sealing requirements. Always confirm the approval matches your specific door type with your fire door manufacturer or certifier.
Can the IS8036si be cut down to fit my door width?
Yes. Each standard length can be cut back on site to an exact dimension: 380mm cuts to 275mm, 1070mm to 920mm and 1220mm to 1070mm. Order the standard length that your door width falls within, then trim to suit.
What is the antimicrobial (AM) option?
The IS8036si can be ordered with an antimicrobial silicone gasket. The silicone is compounded with an additive that inhibits bacteria and mould growth on the gasket surface - the version specified for hospitals, aged care, laboratories and food-preparation areas. Select the Anti-Microbial option when ordering.
What is the handling time for this item?
This is a non-stocked, specialty architectural item ordered directly from the Kilargo factory. Allow a standard handling time of 5–8 business days after cleared payment before dispatch. If your project needs express turnaround, call Prime Hardware on 1800 329 028 to confirm current factory lead times.
I'm not sure this is the right seal for my door — can I get help?
Yes. Door sealing depends on your door type, the gap sizes and what you need to seal against (fire, smoke, sound, weather or drafts). Call Prime Hardware on 1800 329 028 with your door details and gap measurements and we'll confirm the right Kilargo seal, size and finish before you order.
