Pecora

896 Silicone Sealant

Medium-modulus neutral-cure silicone sealant · US · manufacturer-sourced

Check your container: This countdown is for the Medium-modulus neutral-cure silicone sealant variant. Similar-looking versions may have different times.

How long does Pecora 896 Silicone Sealant take to dry?

Short answer

Tack-free: 8–15 minutes after application.
Full cure: 15 hours after application.
Caulk & sealant

Bead cure stages

Skin, tack-free and paint-ready are not the same moment

  1. Gun a continuous bead of Medium-modulus neutral-cure silicone sealant
  2. Tool it inside the working time
  3. Keep it dry until the stated water-ready time

This product’s stated stages Quoted at 77°F and 50% humidity

  • Tack-free8–15 minutes
  • Full cure15 hours

Worth noticing: Tack-free at 8–15 minutes; full cure at 15 hours.

Common mistake: Showering or painting at skin-over, when the bead is only crusted on the outside.

Caulk & sealant

Bond-strength path

Assembly, handling and full load are different stages

1 · AssembleClean, fit and apply the Medium-modulus neutral-cure silicone sealant version correctly.
2 · HoldKeep the joint undisturbed through its set or clamp stage.
3 · LoadUse full cure—not surface firmness—before demanding use.

Time the caulk cure

When did you run the bead?
Conditions that affect drying
Where?
Thickness

Stated times

  • Tack-free8–15 minutes
  • Full cure15 hours

From Pecora data sheet · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.

Manufacturer website: pecora.com

Conditions & fine print
  • Stated conditions: 77°F (25°C) and 50% relative humidity
  • Sealant skin and tack-free times are for a thin film. Deep joints cure from the outside in and take longer. Follow the current data sheet.
  • Temperature range: -20°F to 120°F
  • Region US. Formulas can differ between countries; check your container.
  • Tack-free: By ASTM C679.
  • Full cure: At 77°F (25°C) and 50% relative humidity.
  • Entered from the cited manufacturer documentation. Check the current label for the exact formula and region. Report outdated information
  • Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.

Confirm this is your product

Closely named formulas, colors and regional versions can use different times. Match these details to your container before starting a countdown.

Exact listing
Pecora 896 Silicone Sealant
Variant
Medium-modulus neutral-cure silicone sealant
Region
US
Listed use
silicone sealing
Timed stages recorded
tack free, full cure
Source checked
2026-10-25

Documentation: Technical data sheet · Document PEC 112 10/25

Condition attached to the stated time: By ASTM C679.

About this product

A silicone sealant that is tack-free in 8 to 15 minutes and cured through a quarter-inch bead in about 15 hours, fast for a silicone. The sheet says not to use it on surfaces that will require painting, and gives an application range of -20 to 120°F.

Using this specific product

Pecora 896 Silicone Sealant is listed here as the Medium-modulus neutral-cure silicone sealant version for silicone sealing. For sealing a joint, the useful question is not simply whether the surface looks finished—it is whether the exact next-action milestone shown above has been reached.

Before you start

  • Confirm the package says Medium-modulus neutral-cure silicone sealant; related versions can use different timing.
  • For silicone sealing, pay particular attention to joint depth, tooling, ventilation and exposure to water.
  • By ASTM C679. At 77°F (25°C) and 50% relative humidity.

How to check readiness

Probe an inconspicuous edge for a continuous skin and follow the stated water-exposure milestone. The data sheet lists a tack-free time of 8 to 15 minutes. Reserve full cure for demanding use, chemicals, washing, immersion or load—not merely gentle handling.

Avoid this mistake

Surface skin is not the same as through-cure, especially in a deep joint.

Compare with similar products

Keep going

Questions

How long does this product take to dry?

Pecora states: The data sheet lists a tack-free time of 8 to 15 minutes. Conditions: By ASTM C679.. The data sheet lists a cure time of 15 hours for a quarter-inch bead. Conditions: At 77°F (25°C) and 50% relative humidity.. These are the manufacturer’s stated times, not a guarantee.

Can Pecora 896 be painted?

No. The sheet lists painted surfaces as a limitation: do not use it on surfaces that will require painting.

How long does this product take to fully cure?

Pecora states: The data sheet lists a cure time of 15 hours for a quarter-inch bead. Conditions: At 77°F (25°C) and 50% relative humidity.. These are the manufacturer’s stated times, not a guarantee.

What affects how long this product takes to dry or cure?

Sealant skin and tack-free times are for a thin film. Deep joints cure from the outside in and take longer. Follow the current data sheet. Follow the product label for your conditions.

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