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Sashco Log Jam ChinkingWhether you are building a new log home or giving a facelift to an old one, Log Jam’s proven formula is the log chinking industry’s recognized standard for synthetic chinking. With Log Jam chinking, it is easy to achieve superior, professional-looking results. Log Jam Chinking Features and Benefits:
- Superior elasticity (compresses and stretches up to 100% of joint size)
- Available in several stock colors, and is paintable and stainable
- Easy to apply—tack free in 30 minutes, and 1/16” slump
- The only log home chinking to hold a UL fire resistance rating.
- Log Jam Chinking enjoys a solid reputation as the best log home chinking you can buy.
- 10 year warranty, Limited Lifetime Warranty when used with Sashco log home stains
- Log Jam Chinking is vailable in 5 gallon pails or 29 oz cartridges.
Product Coverage Rates per Case of Chinking:¼'' x ½'' Wide Chinking Joint= 308 Lineal Feet ¼'' x ¾'' Wide Chinking Joint= 231 Lineal Feet ½'' x 1'' Wide Chinking Joint= 154 Lineal Feet
(Not to be considered specifications)
Color: Mortar White, White White, Buff, Tan, Gray,
Woodtone Cedar
Packaging: 5-gallon straight-sided white pails and
29 oz. fiber cartridges
Water Resistance: Log Jam forms a water-resistant
skin in 1-4 hours after application.This resistance
depends on bead size, humidity and temperature. If
applied in cool or humid weather and rain is imminent,
covering the chinking with a plastic sheet may
be necessary.
Service Range: -30°F to 250°F
Paintability: Paintable with oil or latex stains after 1
week cure time. If giving chinking a facelift with
Brush Over, make sure chinking is cured.
Compatibility: Compatible with most sealers and
preservatives, including linseed oil, borates, pentachlorophenol
and copper compounds. NOTE:
Some coatings contain wax or other chemicals, making
adhesion difficult.
Shelf Life: 18 months from date of packaging.
Passes: ASTM C834-00 Latex Sealing Compounds,
ASTM G-53 QUV
Accelerated Weathering: 4,000 hrs
ASTM D-638 Max 230%, Tensile Strength 36psi,
after 28 days room temperature cure
ASTM C-920 (12.5)
VOC: 0.28 lbs/gal; 34 g/liter; less than 4% by weight
Warning: This product contains a chemical(s) which is reported by
the State of California to cause birth defects or reproductive harm.
Adhesion: 1,2 (180° Peel): Call Sashco for stain compatibility with
Log Jam
Cure-Through Time: 3 weeks (1/2” thickness. 70°F, 50%
relative humidity)
Viscosity: Approximately 280,000 cps at 10 rpm, spindle #14
Freeze-Thaw: Passes at least 5 cycles (0°F to 70°F)
Hardness (Shore A): 29
Slump: 1/16” (Max) in test joint (3-1/2”H x 3/4”D) at 70°F
Stain: None
Tack-Free Time: Less than 30 minutes (70°F, 50% relative humidity)
Water Resistance: No washout (4 hours; 40°F, 50% relative humidity)
Weathering:
Washout None
Cracking None
Discoloration Passes ASTM C834-00
Snow: Be cautious of areas where snow builds up around the structure
and remains for extended periods of time. Snow removal is recommended
for these areas to ensure the ultimate adhesion of Log Jam.
1Ultimate adhesive strength attained in 3-6 weeks depending on bead size,
temperature and humidity.
2 Dry adhesion is tested after
28 days room temperature
cure. The average of several
tests is reported.
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