Robson’s Brushes (Throw-away chip brushes)
1", 2", 3", 4", and 7" wide chip brushes for duct sealant, glue, mastic, grease, and lagging
smooth wood handle
natural bristle
7" brush is specially designed for applying canvas and lagging adhesive
Flamex FR Canvas (Fire Rated, 6 ounce)
fire rated, 6 ounce fire retardant canvas jacket for covering mechanical insulation indoors
Flamex is the only 25/50 mechanical insulation canvas jacket that’s easy to tear both directions with no starting cut and no bunching
plain weave cotton, no dyes
fabric is 52 ½" wide, packaged in rolls
25/50 fire rated at our factory with non-toxic fire retardant
Robson’s ET Canvas (Not Fire Rated, 6 Ounce Canvas)
treated with proprietary non-toxic treatment to make it easy to tear, but not fire resistant
"plain weave" cotton canvas jacket for mechanical insulation, 6 ounces per square yard, not dyed, for covering mechanical insulation indoors
easy to tear in both directions without a starting cut
canvas is 52" wide, packaged in rolls
no bunching and less loose threads than any other non fire rated canvas
Data Sheets
Fitting Cotton (Not Fire Rated)
plain weave cotton, 3 ounces per square yard, not dyed: for covering insulated pipe fittings indoors
the only fitting cotton that’s easy to tear in both directions with no starting cut
faster to fabricate because there’s no need to use scissors
less bunching and less loose threads than any other fitting cotton, stretch and fit without wrinkles
Robson's Duct Seal - WB (Indoor/Outdoor Duct Sealant - Water Base)
HVAC duct and plenum sealant
low odour, grey colour, elastomeric, fibre reinforced, high and low velocity
for indoor and outdoor use
non-sagging, non-cracking, UV resistant, paintable
meets SMACNA standards
freeze/thaw stable
available in 1 gallon pails
Data Sheets
No Sweat-FX (Anti-Condensation Coating - Water Base)
anti-condensation paint that prevents sweating on cold and multi-temperature surfaces including metal, concrete, and wood, ideal for metal buildings, HVAC ducts, cold pipes and fittings, ship hulls, and structural steel
white colour, can be tinted like latex paint, apply with brush, roller, or sprayer
not freeze/thaw stable
available in 1 gallon and 5 gallon pails
Data Sheets
White Lag & Black Lag, Lagging Adhesives (Water Base)
Lagging adhesives for fabrics, indoor finish for FSK foil jackets, and edge sealants for HVAC duct liner
lower odour and easier to clean-up than other lagging adhesives
thicker than other lagging
mixing is not required
freeze/thaw stable
hundreds of colours available
White Lag is ultra white in colour, brighter and whiter than any other lagging so it matches PVC fittings
available in 1 gallon, 10.75 litre, and 5 gallon pails
Black Lag is flat black in colour, used in exposed black ceiling spaces such as theatres and museums
available in 1 gallon and 5 gallon pails
White Lag Data Sheets
Black Lag Data Sheets
Brush: Data Sheet
Brush: SDS
Brush: LEED Data Sheet
Spray: Data Sheet
Spray: SDS
Spray: LEED Data Sheet
Robson’s RT-80 (Outdoor Duct Sealant - Solvent Base)
HVAC duct and plenum sealant, low odour, bright aluminum colour, elastomeric, fibre reinforced, high and low velocity
micro-aluminum particles float to the surface and form a permanent real aluminum jacket over the duct sealant that prevents cracking due to UV rays from the sun (RT-80 is the only duct sealant with this feature)
for outdoor use, non-sagging, non-cracking, UV-proof, remains pliable when frozen, meets SMACNA standards, qualifies for LEED points
freeze/thaw stable, apply outdoors in freezing weather, paintable
available in 1 gallon pails
Data Sheets
Robson’s Foam (For Sculpting, Art, and Design - Water Based)
white, ultra-light weight formable foam for making visual effects, movie and stage props, 3-D objects, themed landscapes, models, animatronics, miniatures, art, and faux decorating
can be tinted, carved, cut, drilled, nailed, screwed, sanded, painted, molded, and joined to itself or any other materials including foams, wood, metals, plaster, clay, plastic, and glass
embed wires, pipes, LED lights, hinges, and other objects into the foam when wet
apply unlimited thickness in one application without slumping, deforming, or falling off
not freeze/thaw stable
available in 1 gallon and 5 gallon pails
Data Sheets
Robson’s Liner Coat (Anti-Erosion Coating for Acoustic Duct Insulation - Water Base)
black, durable, washable neoprene coating for new or existing acoustic duct insulation to prevent fiber erosion
restores damaged duct liner facing to like new condition
non-toxic, water based, low odour, dries fast, won’t clog spray equipment, freeze/thaw stable
installed cost is 75% to 95% less than replacing damaged acoustic duct insulation
available in 1 gallon and 5 gallon pails
Data Sheets
Robson’s PVC Glue (Glue for PVC Jacket Laps - Solvent Base)
solvent based glue for gluing down laps on PVC jackets and fittings covers used to cover exposed pipe insulation
makes PVC jackets 100% water and vapour proof
dries clear, non-sagging, meets LEED VOC requirements
250ml can is complete with in-can applicator brush for applying the glue
500ml clear plastic squeeze bottle has a tapered nozzle that can be re-sealed after snipping the end off
freeze/thaw stable
available in 250ml can with in-can brush, and 500ml plastic squeeze bottle with tapered applicator nozzle
Data Sheets
RT-10 Mastic (Insulation Coating - Water Base)
white colour, finishes and protects pipe insulation bevels and end caps
use instead of using canvas, PVC, or metal
costs less than using PVC, canvas, or metal for bevels and end caps
instant and permanent adhesive for making pipe insulation fittings such as elbows and tees
coats and protects insulated pipe fittings, insulated ducts, vessels, and tank roofs, also used for making and water-proofing canoes
breather mastic, durable, fast setting, bridges cracks, flexible and elastomeric - for all fiber and foam insulation
indoor and outdoor
freeze/thaw stable
available in 1 gallon pails
Data Sheets
Robson’s RT-11 (Extreme Duty Anti-Erosion Coating for Acoustic Duct Insulation - Water Base)
grey colour, extreme duty, neoprene coating for acoustic duct insulation facing, edges, and seams including walk-in plenum floor insulation
elastomeric and extra durable, apply with brush, trowel, or putty knife
creates a flexible acoustical facing that is similar to perforated metal in the ability to prevent insulation fiber erosion
also use to join acoustic duct insulation edges together to create a permanent bond stronger than the actual insulation, freeze/thaw stable
available in 1 gallon and 5 gallon pails
Data Sheets
Robson’s RT-14 (Mastic - Solvent Base)
black, trowel grade modified asphalt vapor barrier mastic, fibrated, .018 perms
weather-proof vapour barrier mastic for protecting outdoor insulation on hot or cold pipes, vessels, ducts, and tank roofs
also used for water-proofing underground HVAC ducts and underground pipe insulation
also used as vapour barrier bed coating for cavity wall insulation
freeze/thaw stable
available in 1 gallon and 5 gallon pails
Data Sheets
Robson’s RT-38, Elastomeric Paint To Protect Insulation From Weather, Chemicals, and Impact (Water Base)
finishes and protects all flexible and rigid foam insulations, and all fibre insulations with a factory jacket
paint-like coating, white colour that can be tinted, fast drying, non-toxic, low VOC’s, apply with brush, roller, or sprayer
water resistant, UV resistant, impact resistant, stays flexible and elastomeric at low temperatures
use as a weather and chemical resistant lagging adhesive for fabric jackets installed outdoors or in wash-down areas
not freeze/thaw stable
available in 1 gallon and 5 gallon pails
Data Sheets
ThermaLite (Water Based Paint-On Insulation)
Insulation paint coating that thermally insulates hot and cold surfaces
R-15 per inch thickness, 3 lb/gal when wet
for small pipe fittings and vessel attachments, or large surfaces like walls
apply by trowel, form by hand, or apply with brush or spreader
not freeze/thaw stable, paintable
available in 1 gallon and 5 gallon pails
Data Sheets
Ticki-Tuff, Duct Liner Adhesive (Water Base)
HVAC acoustic duct liner adhesive, black colour, easy clean-up, very mild odour makes it ideal for fabrication shop use
insulation can be re-positioned before adhesive is dry
freeze/thaw stable
Brush Grade clings to brush to reduce drips and clean-up
available in 1 gallon and 5 gallon pails
Spray Grade won’t clog up spray equipment
available in 1 gallon, 5 gallon pails, and 55 gallon drums
Data Sheets
Brush: Data Sheet
Brush: SDS
Spray: Data Sheet
Spray: SDS
We ship across Canada, the USA, and internationally -- we look forward to working for you!
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