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Pecora 300 SL Pavement Joint Sealant Limestone Quart Cartridge

Pecora 300 SL Pavement Joint Sealant is a one-part ultra-low modulus self-leveling silicone limestone quart cartridge for traffic-bearing pavement joints. The bead is recessed below traffic and listed at +100/-50% movement.

  • Recess below traffic; not flush with the wearing surface
  • +100/-50% joint movement on traffic-bearing pavement
  • Unprimed adhesion to concrete, metal, and asphalt
$57.80
Availability: Out of stock

Pecora 300 SL Pavement Joint Sealant - Limestone Quart Cartridge

Pecora 300 SL Pavement Joint Sealant is a one-part ultra-low modulus self-leveling silicone for traffic-bearing pavement joints. It is used on concrete, asphalt, and metal roadway, airfield, and parking-deck control joints. It is placed as a limestone quart cartridge on flat surfaces. Unprimed adhesion to concrete, metal, and asphalt is listed, with the bead recessed below traffic. Neutral moisture-cure and jet-fuel resistance are listed; movement is +100/-50%.

Key Features

  • One-part ultra-low modulus self-leveling silicone
  • Limestone quart cartridge for pavement joints
  • Unprimed adhesion to concrete, metal, and asphalt
  • Recess below traffic; +100/-50% movement
  • Neutral moisture cure; jet fuel resistant
  • Flat surfaces; slope not greater than 5%

Applications

  • Traffic-bearing pavement joints in concrete, asphalt, and metal.
  • Roadway control joints.
  • Airfield pavement joints.
  • Parking deck and garage control joints.

Technical Specifications

Property Value
Joint movement +100/-50% (ASTM C719)
Tack-free time 60 min (ASTM C679)
Initial skin About 30 min at 77 F, 50% RH
Hardness, Shore 00 65 (21 day, ASTM C661)
VOC 40 g/L (ASTM D3960)
ASTM C920 Type S, Grade SL, Class 100, Use T2, M, O
Pack Limestone quart cartridge
Recess Below traffic surface (not flush)
Slope limit Not greater than 5%
Primers Primerless; P-225 on concrete or P-200 on asphalt when required

Product documents: Pecora 300 SL Specification Data Sheet PEC 102 08/25 (PDF)

Frequently Asked Questions

What work is Pecora 300 SL used on?
Yes. Pecora 300 SL Pavement Joint Sealant Limestone Quart Cartridge is used on traffic-bearing pavement joints in concrete, asphalt, and metal, including roadway, airfield, and parking-deck control joints.

What size is Pecora 300 SL?
Size is a limestone quart cartridge of one-part self-leveling silicone pavement joint sealant on Pecora 300 SL Pavement Joint Sealant Limestone Quart Cartridge.

What joint movement is listed for Pecora 300 SL?
Joint movement of +100/-50% is listed for Pecora 300 SL Pavement Joint Sealant Limestone Quart Cartridge on the 08/25 specification data sheet.

What joint width and depth is listed for Pecora 300 SL?
Joint width 1/4 to 1 inch and sealant depth 1/4 to 1/2 inch are listed for Pecora 300 SL Pavement Joint Sealant Limestone Quart Cartridge, ideally 2:1 width-to-depth when appropriate.

What traffic recess is listed for Pecora 300 SL?
The bead of Pecora 300 SL Pavement Joint Sealant Limestone Quart Cartridge is recessed below the traffic surface; flush placement with traffic is not listed.

What slope limit is listed for Pecora 300 SL?
Slopes greater than 5% are not listed for Pecora 300 SL Pavement Joint Sealant Limestone Quart Cartridge; the self-leveling silicone is listed for flat surfaces.