FREE GROUND SHIPPING ON ALL SIZES of this product when purchased online and shipped to the 48 contiguous United States. Offer does not apply to Alaska or Hawaii.
Sashco Log Jam is a proven, textured, synthetic chinking created to give you the rustic look of old-time mortar while delivering the high performance that you need for the durability and longevity you can trust. Log Jam's combination of superior flexibility, elasticity, and adhesion allows it to move with your logs and stretch up to 250% to create a permanently waterproof and weatherproof seal to protect your home from insects, pollen, dust, rain, and wind. Log Jam is easy to apply and smooth, and cleans up with water. For both exterior and interior use.
Sashco Log Jam Chinking features include:
- Textured to simulate the rustic look of old-time mortar
- Premium flexibility to fill the gaps in log joints and with other building materials
- Powerful adhesion for a permanent waterproof and weatherproof seal
- Incredible elasticity allowing Log Jam to stretch up to 250% as logs move
- Water-based to make application and clean-up easy
- For both exterior and interior use
Application Guide:
Where to use: Exterior and interior
Surface prep: Thoroughly clean and dry; best to apply on compatible and cured stain
Application temperature: 40° F to 90° F surface temperature
Preferred conditions: Out of direct sunlight; in dry and warm conditions
Application method: Chink pump, bulk loading gun, ratchet gun; use backing material
Joint design: Ideal sealant depth: 1/2 of joint width, but no less than 1/4 inch nor more than 1/2 inch
Clean up: Soap and water
Drying time: Tack-free in less than 30 minutes (70° F, 50% relative humidity)
Cures in 3 weeks (1/2 inch thickness, 70° F, 50% relative humidity)
