There is no direct evidence Thompson Water Seal products are toxic to plants, but considering the high VOC level of most of their products, it probably will damage your plants (if sprayed on them) like other oil-based wood stains and finishes.

Is Thompson Water Sealer toxic?

This product contains an in-can biocide, may be harmful if swallowed. There is no data on the product itself. The product should not be allowed to enter drains or water courses or be deposited were it can affect ground or surface waters.

Can you use too much Thompson Water Seal?

The sealant may also take longer to dry if you apply it in excess or if the surface already has a previous one coat of sealant on it. You may also notice tackiness on the sealed surface if you do not give sufficient drying time or if the weather is too cold to facilitate the drying process.

How do I dispose of Thompson Water Seal?

CONTAINER DISPOSAL: Triple rinse (or equivalent). Then offer for recycling or reconditioning, or dispose of in a sanitary landfill, or by incineration if allowed by state and local authorities.

Is Thompson's Water Seal toxic to fish?

Environmentally safe, will not harm plants, pets, fish, livestock, humans. Contains zero volatile organic compounds (VOC). No toxic fumes. Seals and protects with single application on most surfaces.

Is Thompson Water Seal toxic to birds?

Yes, Flex Seal liquid is safe to repair your bird bath with, once it’s been fully cured that is.

Is Thompsons Water Seal safe for garden beds?

Yes, you can use the Thompson’s if you wish but it is a fair amount of added expense and work for little gain. You will get some leaching of its chems into the soil in the first year so don’t plant root crops right up next to it. … use a mix of ingredients – compost, composted manures, local dirt, etc.

What is Thompson water Seal used for?

Thompson’s® WaterSeal® Penetrating Timber Oil is an oil-based product that provides protection by penetrating into wood pores and sealing out water infiltration. Thompson’s® WaterSeal® Waterproofing Stains are water-based products that have film-forming properties to protect the wood by repelling water.

What chemicals are in Thompson's Water Seal?

Propane000074-98-6200-827-9Butane000106-97-8203-448-7Solvent naphtha, petroleum, medium aliphatic064742-88-7265-191-7Distillates, petroleum, hydrotreated heavy paraffinic064742-54-7265-157-1Solvent naphtha, petroleum, light aromatic064742-95-6265-199-0

How do you get rid of polyurethane stains?

Throw the Mixture into the Garbage You do not have to leave the lid on the can. The polyurethane varnish will not pose a risk to the environment in that case. Using kitty litter for disposal is an effective and relatively inexpensive method. You won’t need much kitty litter, and the product itself is affordable.

Article first time published on

Does Thompson Water Seal prevent mold?

Thompson’s® WaterSeal® Waterproofer Plus Clear Wood Protector is designed for all exterior wood and decking surfaces. This protection includes: Water repellency, prevents water damage, maintains natural wood grain, all while resisting mold growth.

How many coats of Thompson's Water Seal do I need?

One coat is enough, but if more color is desired, a second coat can be applied within two hours before the first coat has dried. With Thompson’s® WaterSeal® Waterproofing Stains, you can clean your tools with soap and water.

Why is my deck sticky after sealing?

“A sticky or tacky deck is usually due to over-application or failing to wipe the excess stain from the surface of the wood. … Rinse thoroughly with a garden hose and spray nozzle, and let the wood dry. This removes any tackiness or residue.”

What type of sealer is Thompson Water Seal?

Clear – Waterproofing Wood Protector. Wood sealer that provides long-lasting outdoor wood protection. It waterproofs long after the initial water beading is gone.

Is Thompsons Water Seal breathable?

Thompsons Water Seal, provides a clear long lasting waterproof seal, stops moisture, water or damp penetrating your exterior walls. Silicone micro emulsion is breathable and provides excellent protection for brick-work, aged concrete, render, slate, painting, terracotta and wood, exterior use only.

Is Polyurethane harmful to plants?

Polyurethane foam plugs commonly are used as collars or supports to grow plants in solution culture. Despite their utility, these foam plugs can be quite toxic to plants, particularly to small seedlings. … This discoloration can be followed by complete collapse of affected tissue and eventual death of the seedling.

Should I seal the inside of my raised garden bed?

Many of these gardeners are opting to grow plants in raised beds or containers in lieu of traditional, in-ground row gardens. Gardens come in constant contact with water and weather, so those that are made of wood or other porous materials require a sealant to prevent degradation.

Is it safe to stain raised beds?

If you decide to use a stain, look for safe paint for raised beds and planters made with natural waxes, like beeswax. Water-based stains tend to be safer than oil-based stains. You can also find varieties with low or no biocides, which are safer for edible plants than the alternative.

Is Flex Seal poisonous?

Is Flex Seal Toxic To Humans. Yes, Flex Seal can be toxic to humans especially to young children. The central nervous system may be compromised by overexposure to this product, so any time you feel you are having a reaction to or an illness due to this product, you should seek medical attention.

What do you use to seal a birdbath?

The birdbath and fountain must be completely dry before sealing. Fill in any cracks with a concrete crack filler where water may be leaking through. Use a penetrating concrete sealer or durable concrete coating to seal the birdbath and fountain.

Is Thompson's Water Seal good?

Thompsons WaterSeal Advanced Natural Wood Protector – Editor’s Choice and The Best Outdoor Sealer for Wood. Thompson’s WaterSeal Advanced is a maximum strength waterproofer and natural wood protector. The coating resists mildew growth, UV damage, and fading. It’s perfect for natural wood decks, fences, and furniture.

Does Thompson's Water Seal contain silicone?

Thompson’s Water Seal, offers superb weather protection for bricks, mortar, stone & concrete. Its advanced silicone micro emulsion soaks in deep to provide long lasting protection against rain damage.

Is Thompson's Water Seal pet safe?

This product is 100% ec-friendly and will not harm pets.

Is Thompson Water Seal good for waterproofing bricks?

Provides proven waterproofing protection for all masonry surfaces including pavers, brick, concrete, stone, stucco, clay and quarry tile. Use for concrete waterproofing and as a brick sealer.

How long does unopened polyurethane last?

We have done the research to find you the answer. Polyurethane does expire, but it should last you a while. Generally, an unopened can of polyurethane will last you close to three years, while an opened one should stay usable for about 12 months.

Does polyurethane evaporate?

But, like all varnishes, polyurethane dries in two steps. The first is evaporation of the thinner. … When you apply polyurethane, you notice that it stays wet on the surface for a short time as the thinner evaporates. Then the finish goes into a tacky or sticky stage for an hour or longer.

Does kitty litter dry up stain?

– Speed up the drying process with cat litter The cat litter will soak up the paint solvents and let the paint or stain dry up. This way, the product should be dry within 10 minutes.

How long does Thompson's Water Seal Advanced last?

Thompson’s WaterSeal Advanced natural wood protector is unusual in that it claims a two-year working lifespan.

Can color be added to Thompson Water Seal?

Only one coat of Thompson’s® WaterSeal® Waterproofing Stain – Transparent is recommended. A second coat can be added if more color is desired. Allow the first coat to dry approximately 2 hours.

Do you shake Thompson Water Seal?

shake the can vigorously before use. Thompson’s Water seal has a slightly milky appearence in the can,but clears quickly upon application. For best results ensure the surface is as dry as possible. Apply 2 coats using brush,roller or sprayer.

How long do you have to wait between coats of Thompson's water Seal?

Thompson’s WaterSeal products typically need only one application, but you can apply a second coat of stain to darken the wood, if desired. However, you must wait for the first coat to dry (typically about 2 hours) and apply the second coat within 4 hours of applying the first coat.