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Newborn Brothers Model 250 Caulk Applicator

Newborn Brothers Model 250 Caulk Applicator is an 18:1 cartridge applicator. The smooth-rod drive pushes silicone, construction adhesive, firestop, elastomeric, hybrid, and polyurethane.

  • A heat-treated smooth rod drives cartridge beads
  • Construction adhesive and firestop run on a higher-thrust frame
  • Elastomeric and polyurethane beads seal without a low-thrust frame
$34.65
Availability: Out of stock

Newborn Brothers Model 250 Caulk Applicator

Newborn Brothers Model 250 Caulk Applicator is an 18:1 manual smooth-rod cartridge applicator for 10 oz (1/10 gal) cartridges. It is used on thicker silicone, construction adhesive, firestop, elastomeric, hybrid, and polyurethane. It is placed on cartridge beads of those materials. A heat-treated smooth rod drives the bead, and manual smooth-rod power stays on that cartridge work.

Key Features

  • Construction adhesive and firestop run on a higher-thrust frame.
  • Elastomeric, hybrid, and polyurethane seal on cartridge work.
  • Silicone and construction adhesive run on the 18:1 frame.
  • A heat-treated smooth rod drives cartridge beads.
  • A manual smooth rod pushes firestop and polyurethane beads.
  • The frame runs elastomeric and hybrid cartridge sealing.

Applications

  • Firestop beads seal on cartridge work.
  • Polyurethane and construction adhesive run on a higher-thrust frame.
  • Hybrid beads seal without a low-thrust frame.
  • Elastomeric and silicone run on cartridge sealing.

Technical Specifications

Property Value
Manufacturer Newborn
Model 250
Type Manual smooth-rod cartridge applicator
Thrust ratio 18:1
Power Manual, Smooth Rod
Capacity 10 oz (1/10 gal) cartridge
Weight 2.0 lbs
Drive Heat-treated smooth rod
Material type Silicone, Construction Adhesive, Firestop / Intumescent, Elastomeric, Hybrid / STP, Polyurethane
Project type Glazing & Fenestration, Windows & Doors, Bathroom & Kitchens, Waterproofing & Restoration

Product documents: Newborn 250 product page | Thrust Ratio Chart (PDF)

Frequently Asked Questions

What work is Newborn Model 250 used on?
Cartridge beads of silicone, construction adhesive, firestop, elastomeric, hybrid, and polyurethane run on this higher-thrust frame.

What size is Newborn Model 250?
The cradle holds a 10 oz (1/10 gal) cartridge on the 18:1 smooth-rod drive.

What thrust ratio is Newborn Model 250?
An 18:1 ratio keeps the bead moving on construction adhesive, firestop, and polyurethane.

What drive rod is on Newborn Model 250?
A heat-treated smooth rod advances the piston so the bead stays continuous on the cartridge.

What power is on Newborn Model 250?
Manual smooth-rod drive advances the bead on construction adhesive, firestop, and polyurethane cartridges.

What viscosity class is Newborn Model 250?
Construction adhesive, firestop, and polyurethane need more thrust than a low-ratio frame can deliver.