• 
  • Scale Model Kits
    • Skerry Scale Model
    • Wherry Scale Model
    • Dory Scale Model
    • Bevin's Skiff Scale Model Kit
  • Pro Kits
    • The Guider
    • Autumn Leaves
    • Lake Union Swift
    • Faering Cruiser
    • Madness Proa
    • Mbuli Proa
    • Outrigger Junior
    • Skerry Raid
    • Waterlust Sailing Canoe
    • Whitby Pilot Gig
    • Rhode Runner Runabout
    • Wharram Mana 24
  • RV Kits
    • CLC Teardrop Camper
    • Assembled Teardrop Camper
  • Kayak Kits
    • Recreational
    • Performance
    • Light Touring
    • Touring
    • Fishing
    • Surfing
    • Tandem
  • Canoe Kits
    • Waterlust Sailing Canoe
    • Traditional Canoes
    • Decked Canoes
  • Sailboats
    • PT Spear
    • Lighthouse Tender Peapod
    • Jimmy Skiff II
    • Tenderly Dinghy
    • Northeaster Dory
    • Southwester Dory
    • Passagemaker Dinghies
    • PT Eleven
    • Eastport Prams
    • PocketShip
    • Skerry
    • Sailing Dinghies
    • Faering Cruiser
    • Kayak-Canoe Sailrig
    • Pacific Proas
    • Independence R/C Model
  • Powerboats
    • Peeler Skiff
    • Rhode Runner
    • Cocktail Class Racer
  • Rowing Craft
    • Dories
    • Dinghies
    • Wherries
    • Oxford Shell II
    • Chester Yawl
    • PT Eleven
    • Fixed Seat Rowing
    • Sliding Seat Rowing
    • Annapolis Wherry Tandem
    • Expedition Wherry
    • Annapolis Wherry
    • Northeaster Dory
    • Team Dory
    • Bevin Skiff
    • Cradle Boat
  • Paddleboards & Surfing
    • Stand-Up Paddleboards
    • Prone Paddleboards
    • Surf Kayaks
    • Grain Surfboards
  • Development Projects
    • Autumn Leaves
    • Whitby Pilot Gig
    • Gislinge
    • NanoShip
  • Other Designs
    • Trika 540
    • W17 Trimaran
    • Gemini & Telstar Centerboards
  • Boat Plans
    • Kayak Plans
    • Canoe Plans
    • Sailboat Plans
    • Rowboat Plans
    • Powerboat Plans
    • Paddleboard Plans
    • Downloadable Plans
    • Stitch & Glue Designs
    • Strip-Planked Designs
    • Hybrid Designs
  • Strip-Planked Kayaks
    • Auks
    • Petrels
    • Guillemots
    • Night Herons
    • Other Strippers
    • Microbootleggers
    • Mill Creek Hybrid
    • Shearwater Hybrids
    • Wood Duck Hybrids
  • Stitch & Glue Kayaks
    • Chesapeakes
    • Shearwaters
    • Wood Ducks
    • Mill Creeks
    • Petrel SG
    • Petrel Play SG
    • Night Heron SG
    • Sit On Top Kayak
    • Arctic Hawk
    • Matunuck
    • Pax
• 
  • New Arrivals & Specials
    • Overstock & Closeouts
    • New Plans Sets
    • New Supplies
    • New Boats
    • New Gear
  • Apparel, Small Projects & Gifts
    • T-Shirts & Caps
    • Scale Model Kits
    • Modeling Tools
    • Gift Certificates
    • Small Projects
    • Gift Ideas for Sailors
    • Gift Ideas for SUPers
    • Gift Ideas for Rowers
    • Gift Ideas for Paddlers
    • Gift Ideas for Campers
  • Gear & Accessories
    • Oars
    • Sails
    • Paddles
    • SUP Gear
    • Safety Gear
    • NRS Camping Gear
    • NRS Boating Gear
    • Rowing Gear
    • Seats & Foam
    • Paddling Gear
    • Rope & Cordage
    • Sailing Gear
    • Custom Boat Covers
    • Transport & Storage
    • Footbraces & Rudders
    • MALONE Auto Racks
    • THULE Roof Racks
    • TRAILEX Trailers
    • HARKEN Hardware
    • WERNER Paddles
  • Boatbuilding Supplies
    • Customize Your Boat
    • Boatbuilding Tools
    • Finishing Supplies
    • Paint & Varnish
    • PETTIT Paint & Varnish
    • INTERLUX Paint & Varnish
    • Epoxy & Fiberglass
    • Composite Supplies
    • MAS Epoxies
    • WEST SYSTEM Epoxy
    • Fasteners & Hardware
    • Bronze & Brass Hardware
    • Rigging Hardware
    • Plywood & Cedar Strips
    • Marine Lumber: Regular Stock
    • Inlays & Onlays
    • Vinyl Lettering
  • Camper Hardware
    • Camper Accessories
    • Camper Door Hardware
    • Camper Hatch Hardware
    • Camper Electrical Hardware
  • Books & DVDs
    • Books
    • DVDs
  • Factory Sale
• 
  • Jan 25: Introduction to Marine Epoxy Class (MD)
  • Feb 8: Hands-On Varnishing and Painting (MD)
  • Mar 17-22: Northeaster Dory (MD)
  • Mar 31-Apr 12: Teardrop Camper (MD)
  • Apr 14-19: Stitch-and-Glue Kayak (Shearwater or Wood Duck) (MD)
  • Apr 21-26: Introduction to Stitch-and-Glue Boatbuilding (WA)
  • Apr 28-May 3: Annapolis Wherry (MD)
  • May 26-31: Skerry Daysailer (MD)
  • May 26-31: Jimmy Skiff II (WA)
  • Jun 15-21: Annapolis Wherry (ME)
  • Jun 16-21: Skerry Daysailer (WA)
  • Jun 22-28: Skerry Daysailer (ME)
  • Jun 29-Jul 5: Shearwater or Wood Duck Sea Kayak (ME)
  • Jul 13-19: Stitch & Glue Boatbuilding with John Harris (ME)
  • Jul 13-19: Lapstrake Dinghy (ME)
  • Jul 14-20: Stitch-and-Glue Kayak (Shearwater or Wood Duck) (WA)
  • Aug 4-9: Northeaster Dory (WA)
  • Aug 24-30: Northeaster Dory ( ME)
  • Aug 25-30: Lapstrake Dinghy (WA)
  • Aug 31-Sep 6: Annapolis Wherry (ME)
  • Sep 15-20: Annapolis Wherry (WA)
  • Sep 22-27: Jimmy Skiff II (MD)
  • Oct 6-31: Chesapeake Light Craft Workshop Takeover (WA)
  • Oct 13-18: Annapolis Wherry (MD)
  • Oct 27-Nov 1: Lapstrake Dinghy (MD)
  • Nov 10-15: Sassafras Canoe (MD)
• 
  • Boatbuilding News
    • Nick Schade Builds a Kayak for Himself
    • Kits In Stock for Big Savings
    • Wayne the Boat Guy Built a Boat
    • A Marathon Tour of Maritime Museums in Virginia & Southern Maryland
    • 30 Years of Community Boatbuilding with Chesapeake Light Craft
    • September 30, 2024 Photo Contest Winners
    • A Tour of Community Rowing Clubs in the Midwest
    • Get a FREE One-Year Membership in TSCA
    • CLC Fleet Surplus Sale
    • Gig Racing & Building in New England
    • Browse the Archives . . .
  • Upcoming Demos
    • May 17: Big Little Boat Festival 2025
    • Jun 27-29: WoodenBoat Show at Mystic Seaport
    • Sep 5-7: The Wooden Boat Festival in Port Townsend, WA
    • Oct 4: Mid-Atlantic Small Craft Festival
  • Upcoming Boat Shows
    • Mar 7-9: Canoecopia 2025
    • May 17: Big Little Boat Festival 2025
    • Jun 27-29: WoodenBoat Show at Mystic Seaport
    • Sep 5-7: The Wooden Boat Festival in Port Townsend, WA
    • Oct 4: Mid-Atlantic Small Craft Festival
  • Upcoming Classes
    • Jan 25: Introduction to Marine Epoxy Class (MD)
    • Feb 8: Hands-On Varnishing and Painting (MD)
    • Mar 17-22: Northeaster Dory (MD)
    • Mar 31-Apr 12: Teardrop Camper (MD)
    • Apr 14-19: Stitch-and-Glue Kayak (Shearwater or Wood Duck) (MD)
    • Apr 21-26: Introduction to Stitch-and-Glue Boatbuilding (WA)
    • Apr 28-May 3: Annapolis Wherry (MD)
    • May 26-31: Skerry Daysailer (MD)
    • May 26-31: Jimmy Skiff II (WA)
    • Jun 15-21: Annapolis Wherry (ME)
    • Jun 16-21: Skerry Daysailer (WA)
    • Jun 22-28: Skerry Daysailer (ME)
    • Jun 29-Jul 5: Shearwater or Wood Duck Sea Kayak (ME)
    • Jul 13-19: Stitch & Glue Boatbuilding with John Harris (ME)
    • Jul 13-19: Lapstrake Dinghy (ME)
    • Jul 14-20: Stitch-and-Glue Kayak (Shearwater or Wood Duck) (WA)
    • Aug 4-9: Northeaster Dory (WA)
    • Aug 24-30: Northeaster Dory ( ME)
    • Aug 25-30: Lapstrake Dinghy (WA)
    • Aug 31-Sep 6: Annapolis Wherry (ME)
    • Sep 15-20: Annapolis Wherry (WA)
    • Sep 22-27: Jimmy Skiff II (MD)
    • Oct 6-31: Chesapeake Light Craft Workshop Takeover (WA)
    • Oct 13-18: Annapolis Wherry (MD)
    • Oct 27-Nov 1: Lapstrake Dinghy (MD)
    • Nov 10-15: Sassafras Canoe (MD)
  • The Life of Boats Blog
    • The Big Little Dinghy That Could
    • 23 Years of the Skerry: A Retrospective
    • A Midwinter PocketShip Cruise
    • Three Hulls: A Sailing Outrigger for Adventures Near and Far
    • Lugs and Jibs: An Update on Autumn Leaves
    • Ollie: Another Pretty Canoe Yawl for Sailing Purists
    • "Small Wooden Boat Design": A Panel Discussion
    • The Sharpie That Got Away
    • Modifying a Northeaster Dory for Camp-Cruising
    • Encore, Autumn Leaves: The Canoe Yawl Sails
    • Browse all Articles . . .
  • Our Partners
    • Arbortech Tools
    • Boatbuilding Schools
    • Box of Rain
    • CCWBRA
    • Jackman Works
    • Nick Schade
    • Ryan & Sophie Sailing
    • Small Boats Magazine
    • TSCA
    • Waterlust
    • Wayne The Boat Guy
    • Xyla Foxlin
• 
• 
• 

Shop clcboats.com » Boatbuilding Supplies » MAS Epoxies » Colloidal Silica Thickener "Cab-O-Sil"

Boatbuilding Supplies » MAS Epoxies

Colloidal Silica Thickener "Cab-O-Sil"

Ordering Options: Size: 1 Quart - $17.99 1/2 Gallon - $25.50 10lb Bulk Container - $226.79 Quantity:   This colloidal silica powder is a strong, dense thickener mixed into the epoxy when bonding tight wood-to-wood joints.  Typically used for gluing scarf joints, puzzle joints, sheerclamps, rubrails, knees, etc.  Both fillers can me mixed with other fillers such as woodflour.  White in color.   An alternative choice would be Cell-o-Fil (included in all CLC/MAS epoxy kits).

WE ALSO RECOMMEND

Cell-O-Fill NEW! Cab-o-Sil substitute reduces sagging and is not a health hazard	MAS Epoxies Slow Non-Blush Hardener	Chip Brush - 2" Bristle Brush	MAS Epoxies Fast Non-Blush Hardener
Wood Flour	Disposable Nitrile Gloves - Box of 100	Plastic Epoxy Spreader	MAS Epoxies Resin

14 days
for Discount Code Savings!

Click Here for Storewide Savings
Ranging from $30 - $250