Log Builder Caulk

Sashco Log Builder Caulk is an effective, all weather log caulking that moves with your home, maintaining an effective seal. Since it stretches and compresses up to 100% of the original joint size and stays rubbery, Log Builder won't crack or pull away.
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By Sashco

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Free Ground Shipping
We are offering free shipping for all sizes of this product shipping to the Lower 48 United States. Offer does not apply to Alaska, Hawaii, and the US Territories. Free Shipping applies to this item only and not the entire order.

All logs move. That's why Sashco Log Builder Log Home Caulk was specifically designed to absorb all log movement. Whether it's shrinking, swelling, extreme weather or settling foundation, Sashco Log Builder Caulk moves with your home, maintaining an effective seal.

Since it stretches and compresses up to 100% of the original joint size and stays rubbery, Sashco Log Builder Caulk won't crack or pull away. Instead, it creates a tight seal to keep water, dust, bugs and wind from seeping into your home. Sashco Log Builder Caulk is the smooth sealant for milled and hand-crafted log structures.

Sashco Log Builder Caulk Features & Benefits
• Smooth latex caulk - won't crack, peel or pull away.
• Excellent elasticity, memory and adhesion.
• Water-based – easy to apply and clean up.
• Freeze-thaw stable.

Sashco Log Builder Caulk Application Methods & Tooling
• Use a caulking gun when using either the 29oz. or 10oz. cartridges of Log Builder.
• When using a cartridge, cut the spout at a 45 degree angle to desired bead size.
• Log Builder requires no heating prior to application, but will dispense easier when kept warm before use.
• Log Builder should be tooled directly after application to ensure good adhesion and a smooth looking bead.
• Log Builder may be tooled with ordinary masonry-type tooling blades, a wetted finger, or a damp polyethylene foam brush.
• Work the material smooth, tooling Log Builder tightly to the surfaces. Keep a rag handy for clean up.

Sashco Log Builder Caulk Application Information
• Sashco Log Builder Caulk can be applied when the surface temperature is 40°F - 120°F, but the ideal range is 50°F - 90°F.
• If applied in temperature lower than 50°F or in humidity higher than 70%, cover the caulked areas with plastic sheeting for 3-5 days before exposure to rain.
• Sashco Log Builder Caulk is paintable with latex coatings in 4 hours, with oil-based coatings in 5 days.
• Cure-Through Time: 3 weeks (1/2" thickness, 70°F, 50% relative humidity).
• Ideal depth for Sashco Log Builder Caulk is 1/2 of the joint width, but no less than 1/4".

Sashco Log Builder Caulk Resources
Log Builder Caulk Product Guide
Log Builder Caulk SDS Sheet

Example: One full gallon is sufficient material to fill a joint 1/2" wide and 3/8" deep and 102' long.
Cartridges: When figuring feet per cartridge for a particular joint size divide lineal feet by 12.

Sashco Log Builder Caulk Clean Up
• Clean excess product off surfaces (before it cures) with a putty knife and a damp rag.
• Do not dispose of in drinking water supplies. Water may be used for cleaning hands, surfaces and equipment.

Sashco Technical Support
If you have questions or issues regarding the Sashco line of products, Sashco Technical Support is available at 800-767-5656.

Product Questions

  • How is Log Builder different from Big Stretch?

    Log Builder and Big Stretch are very similar and can be used interchangeably.  Big Stretch is marketed for the consumer market, so Sashco offers it in a wider range of colors than Log Builder.

  • Is Log Builder stainable?

    Yes, Log Builder will accept most coating type oil-base and water-base stains.  The caulk itself won't change color.  Instead, the stain will leave a thin film on top of the caulk that will alter its appearance similar to putting on a pair of sunglasses.      

    Deep penetrating oils such as Woodguard and Q8 are formulated to not leave a coating film, but to instead penetrate deep into the wood fibers.  For this reason, you can expect deep penetrating oils to not leave a film on top of the caulk.

  • What is the cure time for Log Builder caulk?

    Log Builder's cure-through time is approximately 3 weeks at 1/2" thickness, 70 degrees F, and 50% relative humidity.

DETAILS

Free Ground Shipping
We are offering free shipping for all sizes of this product shipping to the Lower 48 United States. Offer does not apply to Alaska, Hawaii, and the US Territories. Free Shipping applies to this item only and not the entire order.

All logs move. That's why Sashco Log Builder Log Home Caulk was specifically designed to absorb all log movement. Whether it's shrinking, swelling, extreme weather or settling foundation, Sashco Log Builder Caulk moves with your home, maintaining an effective seal.

Since it stretches and compresses up to 100% of the original joint size and stays rubbery, Sashco Log Builder Caulk won't crack or pull away. Instead, it creates a tight seal to keep water, dust, bugs and wind from seeping into your home. Sashco Log Builder Caulk is the smooth sealant for milled and hand-crafted log structures.

Sashco Log Builder Caulk Features & Benefits
• Smooth latex caulk - won't crack, peel or pull away.
• Excellent elasticity, memory and adhesion.
• Water-based – easy to apply and clean up.
• Freeze-thaw stable.

Sashco Log Builder Caulk Application Methods & Tooling
• Use a caulking gun when using either the 29oz. or 10oz. cartridges of Log Builder.
• When using a cartridge, cut the spout at a 45 degree angle to desired bead size.
• Log Builder requires no heating prior to application, but will dispense easier when kept warm before use.
• Log Builder should be tooled directly after application to ensure good adhesion and a smooth looking bead.
• Log Builder may be tooled with ordinary masonry-type tooling blades, a wetted finger, or a damp polyethylene foam brush.
• Work the material smooth, tooling Log Builder tightly to the surfaces. Keep a rag handy for clean up.

Sashco Log Builder Caulk Application Information
• Sashco Log Builder Caulk can be applied when the surface temperature is 40°F - 120°F, but the ideal range is 50°F - 90°F.
• If applied in temperature lower than 50°F or in humidity higher than 70%, cover the caulked areas with plastic sheeting for 3-5 days before exposure to rain.
• Sashco Log Builder Caulk is paintable with latex coatings in 4 hours, with oil-based coatings in 5 days.
• Cure-Through Time: 3 weeks (1/2" thickness, 70°F, 50% relative humidity).
• Ideal depth for Sashco Log Builder Caulk is 1/2 of the joint width, but no less than 1/4".

Sashco Log Builder Caulk Resources
Log Builder Caulk Product Guide
Log Builder Caulk SDS Sheet

Example: One full gallon is sufficient material to fill a joint 1/2" wide and 3/8" deep and 102' long.
Cartridges: When figuring feet per cartridge for a particular joint size divide lineal feet by 12.

Sashco Log Builder Caulk Clean Up
• Clean excess product off surfaces (before it cures) with a putty knife and a damp rag.
• Do not dispose of in drinking water supplies. Water may be used for cleaning hands, surfaces and equipment.

Sashco Technical Support
If you have questions or issues regarding the Sashco line of products, Sashco Technical Support is available at 800-767-5656.

REVIEWS
PRODUCT QUESTIONS

Product Questions

  • How is Log Builder different from Big Stretch?

    Log Builder and Big Stretch are very similar and can be used interchangeably.  Big Stretch is marketed for the consumer market, so Sashco offers it in a wider range of colors than Log Builder.

  • Is Log Builder stainable?

    Yes, Log Builder will accept most coating type oil-base and water-base stains.  The caulk itself won't change color.  Instead, the stain will leave a thin film on top of the caulk that will alter its appearance similar to putting on a pair of sunglasses.      

    Deep penetrating oils such as Woodguard and Q8 are formulated to not leave a coating film, but to instead penetrate deep into the wood fibers.  For this reason, you can expect deep penetrating oils to not leave a film on top of the caulk.

  • What is the cure time for Log Builder caulk?

    Log Builder's cure-through time is approximately 3 weeks at 1/2" thickness, 70 degrees F, and 50% relative humidity.