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wood repair

PC-Rot Terminator

Restore / Repair Severely Rotted & Insect Damaged Wood


PC-Rot Terminator® is structural wood hardener designed to strengthen decayed or rotted wood. The mixture is a low viscosity liquid that penetrates porous surfaces filling and sealing voids with an epoxy that cures to a hard but durable component. PC-Rot Terminator® is useful for replacement of missing wood fibers or wood resin. PC-Rot Terminator® fills the voids in the wood with an elastomer that has strength greater than wood. PC-Rot Terminator® acts as a binder that glues the wood fibers together. The wood fibers become much stronger in combination with the epoxy elastomer.

Solvent Free: PC-Rot Terminator® contains 100% active ingredients and does not contain solvents which may evaporate and cause shrinkage.


Wood Hardening: Worn and weathered wood can be rejuvenated with PC-Rot Terminator®. The surface can be made harder and less crumbly. A desk surface or hardwood floors can be made harder and wear resistant if the wood is ready to accept the epoxy consolidate. Seal the wood from the effect of wear and weather.

Adhesive: PC-Rot Terminator® can be used as an adhesive on non porous surfaces. The mixture becomes thicker after 90 minutes of working time allowing for higher build and increased glue lines.

Penetration: PC-Rot Terminator® will readily follow the grain of rotted wood. Removal of paint and varnish will increase the acceptance of the consolidant. For maximum penetration poke or drill holes into the wood or expose the grain of the wood by cutting into the wood. For vertical surfaces drill holes on an angle to hold PC-Rot Terminator®. Reapply the PC-Rot Terminator® prior to cure if needed.

Applicators: The epoxy consolidant can be applied using and acid or paint brush or a paint roller until the area is fully saturated. The applicator bottle can be used to inject into drilled holes or larger openings in the wood. Do not attempt to spray outside of a paint spray booth.

Painting: Stain sealing primer or oil based primer are recommended.

Additional Information

Available Sizes - Links to Purchase:

  • PART #
  • 3.25 Fl OZ
  • 350614
  • Buy From Grainger  Home Depot  Buy From The Paint Store  Amazon Supply
  • 24 Fl OZ
  • 240618
  • Buy From Grainger  Buy From Home Depot  Buy From The Paint Store  Amazon Supply
  • 1.5 Gallon
  • 192610
  • Buy From Grainger  Buy From Home Depot  Buy From The Paint Store  Amazon Supply

Cure Rate:

The cure rate in the thicker sections is faster than in the thin sections. The greater the temperature, the faster the cure time. PC-Rot Terminator® cure can be accelerated using a light bulb or other gentle heat source. The cure rate is halved for every 20°F increase. After cure (roughly 24 hours) fill in missing pieces with PC Woody® paste epoxy.


One unit of 24 ounces will seal 50 to 100 square feet of deck as a sealer. For severely rotted wood, one unit will treat 500 to 2500 cubic inches. The amount of usage depends on the porosity of wood. Damp wood that is heavy with water will not accept the maximum amount of the mixture. PC-Rot Terminator® can not displace water in wood.

Chemical Resistance:

PC-Rot Terminator® can be used as a protective coating. The epoxy has an excellent resistance to solvents such as xylene, toluene, ethanol, water and caustics. PC-Rot Terminator® is not recommended for M.E.K. butylcellusolve or acids.

PC-Rot Terminator® - versatile uses.

Masonry uses: PC-Rot Terminator® can be used to seal and protect concrete, brick and stone surfaces. Use for chemically resistant linings, mortar and secondary containment linings. Excellent for flooring and repairing cracked plaster.

Sealer: Protect drywall from water and moisture. Seal particle board and plywood around plumbing fixtures. Protect where there is condensation or leaks. Seal wood posts and end grain. Seal garage floors (floor should be clean and dry before application).

Marine: PC-Rot Terminator® can be used to repair fiberglass boats. Repair holes and punctures using PC-Rot Terminator® to wet out the surface and PC-11® and PC-7® paste epoxy as a filler. Use as a barrier coating for repaired hull. Secure loose hardware. Repair areas of delaminating fiberglass or wood. Seal cracks and scratches.

Epoxy Repairs: Repair dry rot on a wooden boats surface, deck, trim, hull and planking. Repair docks. Remove splinters from rails and board walks.

View All Uses

What Causes Wood Rot

The microscopic organisms that discolor and decay wood belong to a group of primitive plants known as fungi. Unable to produce their own food, fungi feed instead on natural substances (symbiosis) that make up organic materials like leather, cloth, paper, and of course wood.

These organisms release millions of dust-size spores that are distributed by air movement. These spores germinate, producing thread-like filaments called hyphae. The enzymes secreted by hyphae break down organic matter so fungi can feed on it.

Before this fungi can attack wood, certain requirements must be met: oxygen must be present, temperatures must be in the 40 to 100 degree Fahrenheit range, there must be a supply of sufficient moisture, and there has to be a food source . Infection can be prevented by eliminating any one of these requirements.

The most effective "method" of preventing fungal deterioration of wood is to keep it dry. The decay of the wood is caused by the chemicals dissolving nutrients in the wood, the nutrients are then absorbed by the fungal hyphae, enabling the growth to take place. If the moisture content is high enough the growth extends through the wood via a network of fine threads called mycelium. As with any fungus, the spores are ever present in the dormant stage, awaiting proper conditions to grow. At this time, some of the filaments penetrate below the surface, first softening and then destroying the wood.

Types of Wood Rot

Decay fungi fall into three major groups: brown rots, white rots, and soft rots.

Brown Rot

Brown rots are so-named because infected wood turns dark brown. When dried, wood previously infested will turn to powder when crushed. Many times, old infestations of brown rot which have dried out are labeled as "dry rot." This is really a deceiving term since wood will not decay when dry.

White rots show a white, gray-white, yellow-white, or bleached appearance to wood. Most often infecting hardwoods. In advanced stages of decay, white-rotted wood is spongy, has a stringy texture, and lacks the checking of brown-rotted wood. A thin black line often marks the advancing edge of white rot in hardwoods.

Rotted Fence

Soft Rots: Most decay fungi are unable to conduct water very far and can only attack moist wood. However, Poria incrassata, called dry rot or the water-conducting fungus, will decay wood which would not be attacked by typical decay fungi. Poria infested wood is often mistakenly identified as subterranean termite damage. This type of fungus can transport water for several feet through large root-like structures called rhizomorphs. Once established, it can quickly spread through a building and destroy large areas of flooring and walls in as little as a year or two.

Insect Damage

Termite Colony

Subterranean termites are the most destructive insect pests of wood in the United States. They cause more than $2 billion in damage each year: more property damage than is caused by fire and windstorm combined. Several species of subterranean termites are found in the United States; they live in every state except Alaska.

Carpenter ants damaged wood by hollowing it out for nesting. Their excavated galleries in the wood have a smooth, sandpapered appearance. Wood which has been damaged by carpenter ants contains no mud-like material, as is the case with termites. Shredded fragments of wood, similar in appearance to coarse sawdust, are ejected from the galleries through preexisting cracks or slits made by the ants.

Termite Worker

Powderpost beetles are so called because in high numbers they are able to turn the inside of a piece of wood into nothing more than a mass of fine powder. These wood destroying beetles can do significant damage to log homes, furniture, wood floors and structural timbers in your home. Powderpost beetles are small (1/8 inches) and the adult beetles are seldom seen. Most of the life cycle is spent in the grub or larvae stage eating wood. Damage is done by the larvae as they create narrow, meandering tunnels in wood as they feed.

Physical Properties

  • Work Time:
  • 60 minutes
  • Thin Film Set:
  • 12 Hours
  • Cure for Service:
  • 24 Hours
  • Maximum Cure:
  • 7 Day
  • Compressive Modulus:
  • 230000 Psi
  • Compressive Yield Strength:
  • 6500 PSI
  • Tensile Strength:
  • 4500 PSI
  • Tensile Modulus:
  • 210000 PSI
  • Tensile Enlongation at Break:
  • 12%
  • Flexural Strength:
  • 9500 PSI
  • Flexural Modulus:
  • 300000 PSI
  • Hardness Shored:
  • 78
  • Mar Resistance:
  • 1.05 Kg

Technical Data