Tremco Spectrem 1 White is a single-component silicone in a 10 oz cartridge. It is used on moving joints in curtainwall, precast, and metal panel work.
Tremco Spectrem 1 is a single-component, moisture-cure, ultra-low modulus silicone sealant for demanding moving joints. It is used on aluminum curtainwalls, precast concrete panels, metal panels, and window perimeters. It holds +100/-50% movement, weathers driving rain and UV, and has a slight grain finish that zippers rather than fully tears if a joint fails.
| Property | Value |
|---|---|
| Movement | +100% / -50%, ASTM C719 |
| Hardness | Shore A +15, ASTM C661 |
| Tooling time | 10 to 20 min |
| Tack-free time | 30 to 60 min, ASTM C679 |
| Sag | Nil, ASTM C639 |
| Peel, aluminum and glass | 30 pli, ASTM C794 |
| Tear | 40 pli, ASTM D624 |
| Tensile at max elongation | 200 psi, ASTM D412 |
| Tensile at 100% | 35 psi, ASTM C1184 |
| Cure | 7 to 14 days |
Spectrem 1 Technical Data Sheet
What curtainwall joints is Tremco Spectrem 1 used on?
Aluminum curtainwalls and metal panels with a high coefficient of linear expansion.
What ExoAir use is Tremco Spectrem 1 listed for?
It is the recommended sealant when detailing over the ExoAir Air Barrier system.
What stain result is Tremco Spectrem 1?
No stain on white marble, primed and unprimed, ASTM C1248.
What EIMA listing is Tremco Spectrem 1?
EIMA Test Method 300.01.
What weather resistance is Tremco Spectrem 1?
Driving rain, ozone, ultra-violet light, and temperature extremes.
What federal spec is Tremco Spectrem 1?
TT-S-001543A Class A, and TT-S-00230C Class A Type II.
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