Available in white, black, or clear, Flex Seal Spray MAX provides a waterproof barrier of protection, which can help prevent wood rot caused by moisture.
I use this in my profession when repairing rotted wood. After the application of the stabilizer, I use epoxy putty to replace the missing chunks. If you don't want to do the repair and just apply the stabilizer, it will buy you some time. Flex Seal is a coating and would not slow the rotting.
Boric acid (borate) is one of the most effective fungicides for use in treating wood rot. It can be applied to wood during construction to prevent future rot, or as a treatment to stop an active decay fungus from growing.
Depending on the environment, coats added, and maintenance, many people have found Flex Seal will last for years without cracking, peeling, or losing any of its strength or sealing properties.
Yes Flex Seal can be used on wood. It makes a great coating for outdoor furniture by coating, waterproofing, and protecting it. It will also help prevent wood rot.
Flex Seal Liquid is thicker than paint and dries into a strong, rubberized coating. It can also help seal out air, water, and moisture and is chemical and mildew resistant - making it a great choice for your basement walls. Start by taping off the walls you will be waterproofing with blue painter's tape.
Sealant is the best option if you are looking to permanently waterproof wood surfaces. You will need to completely saturate the wood with the sealant and build up the product until it forms a hard shell.
We do not recommend using Flex Seal on foam. Some foams may react poorly with Flex Seal, and may warp or dissolve. We also do not recommend using it in situations where it is subjected to high heat or pressure (such as engine radiators) or gas tanks. We do not recommend the use of Flex Seal spray on vinyl.
Once dry, Flex Seal's watertight, rubberized coating can withstand water, heavy rains, snow, and more. Flex Seal can be applied to a wet surface or moist environment in the event of an emergency. However, it will always adhere better to a clean, dry surface.
Flex Tape is a temporary, emergency repair and is not meant to be a permanent fix.
Once you've removed the crumbling wood, use a wet rot wood hardener and apply it to the wood with a paintbrush. Don't be afraid to lay it on thick and leave it to soak into the wood. When the hardener is dry, the rotten wood should be healthy again.
In some extreme cases you will need to replace the affected timbers. However, in most cases you can stop wet rot by treating the timber with a fungicide. The treatment of wet rot involves applying a fungicide during the drying out period.
Thompson's Water Seal
Thompson's has been a trusted brand for wood and concrete waterproofing products for decades. This is why in most woodworking blogs, their water seal always tops the list of recommended wood sealers. Aside from resisting most types of mold and mildew, it's also long-lasting.
If you are looking for an invisible protective treatment for exterior wood that won't change the appearance of the wood but will help protect it from rotting, a wood oil or wood waterproofer is your best option.
The same goes for wood surfaces. If you accidentally spray Flex Seal on stained wood, acetone isn't the answer. Use mineral spirits* to remove Flex Seal from the wood. Just as with the metal surface, wood will require some manpower as well.
Flex Seal can be used on almost every surface: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, and vinyl. Plus, it won't sag or drip in the summer heat, and it won't crack or peel in the winter cold.
Q: How long will it last? A: Depending on the environment, coats added, and maintenance, many people have found Flex Seal will last for years without cracking, peeling, or losing any of its strength or sealing properties.
However we have Flex Seal Liquid that comes in Gallons each gallon covers approximately 150 square feet and depending on how thick you roll or pour it you will need 3-5 gallons on your Shop roof.
It's not like Flex Seal, which coats in a thick, black, rubbery, “substance”. Gorilla Seal sprays on clear, wet, soaks in, and is for all intents and purposes “invisible” when dry. More importantly – it works! There were a number of rainy days in the week after installing the coated wood into the bay window frame.
Flex Seal floated our boat, and Teddy stayed dry. But with other uses, we hit rough seas. It took three coats of Flex Seal to plug the pipe holes, and larger holes blew out under water pressure. Even three coats didn't seal vertical sections of our gutter's end caps and joints: The product dripped down.
Adding wood oil or a layer of outdoor paint is a cost effective method to protect wood from the elements. Note that while both of these methods are cost effective, they will require more frequent application as compared to applying a high-quality wood sealer every three years or so.
With proper upkeep and maintenance, you can extend your furniture's lifespan for years beyond what wood could handle on its own. Another benefit is that polyurethane keeps moisture away from wooden surfaces to prevent rot.