255

Smooth Rod Revolving Frame

$51.99

MSRP:

Polyurethane, Hybrid / STP, Elastomeric, Firestop / Intumescent, Construction Adhesive, Silicone
29oz / โ€œQuartโ€, Cartridge
Smooth Rod, Manual
Waterproofing & Restoration, Glazing & Fenestration, Firestopping
18:1 Thrust Ratio
2.83 lbs. / unit
29 oz. (1/4gal)
Country of Origin: China

Frequently bought together:

Octogun Silicone (White)
KIT-CAULKING
  • CUTTER

    Cuts the spout of caulk tubes. The cutter on model 250 is the only one of its kind.
  • DURACORE

    The friction plate is made utilizing an expensive, time-consuming process called precision investment casting to provide the ultimate in durability.
  • ETG (EFFECTIVE TRIGGER GRIP)

    Automatically removes trigger play as the gun wears, providing maximum trigger action with every squeeze.
  • HEAT TREATED DRIVE ROD

    Drive rod has been heat treated to a proprietary hardness for increased strength and durability.
  • LADDER HOOK

    The dispenser either has a ladder hook built into the end of the push rod or comes with one to attach to it.
  • POKER

    Equipped with a poker to break the seal on the end of caulk tubes.
  • REVOLVING CRADLE/BARREL

    The cradle/barrel on these dispensers revolves fully 360 degrees.
  • STARBURST RELEASE PLATE

    The hole on the thumb release plate is a reverse-punch starburst hole, which makes releasing pressure on the dispenser easier than traditional straight, flat holes.

Description

The Newborn 255 is a professional-grade caulking gun built for high-capacity dispensing and reliable performance. Featuring an 18:1 thrust ratio, it delivers smooth, controlled material flow for low- to high-viscosity sealants and adhesives. Designed to fit larger 29 oz (1/4 gallon) cartridges, the 255 combines powerful thrust, smooth operation, and a revolving frame to help you tackle more material with fewer refills โ€” making it ideal for sealing, bonding, and adhesive applications where efficiency and control matter.

Key Features

18:1 Thrust Ratio for Powerful Dispensing
The strong 18:1 thrust ratio provides significant mechanical advantage, allowing thicker materials to be extruded smoothly and consistently with less effort.

Smooth Rod with Revolving Frame
The smooth pressure rod reduces hand fatigue and delivers a quiet, consistent feed, while the fully revolving cradle/barrel lets you maintain bead orientation around corners and in tight spaces.

Designed for 29 oz Cartridge Capacity
Built to accept standard 29 oz (1/4 gallon) cartridges, the 255 helps you work longer between refills on larger jobs.

Durable Construction
Constructed for heavy-use durability, the 255 delivers dependable performance project after project.

Integrated Spout Cutter and Seal Puncture Tool
Included tools allow quick cartridge prep without extra accessories, saving setup time on the job.

Ladder Hook for Convenience
A ladder hook on the frame lets you securely hang the gun when itโ€™s not in use, adding practical convenience.

Why Youโ€™ll Love It

The Newborn 255 delivers professional-grade performance with the power to handle larger volume jobs. Its high thrust ratio, smooth operation, and revolving frame help you apply sealants and adhesives with confidence and control โ€” ideal for demanding sealing and bonding applications where efficiency and precision matter most.

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