Sealing particle board edges

Some people do use shellac to seal the edges of MDF or particle board , but it seems they apply something else as a final coat. One coating of polyurethane over the dried shellac would probably work. I bought a metal shelving unit that uses particle board to put on top of the structure. The particle board , of course, is unfinished.

As I will be at least putting a coat of primer on the particle board , I am looking for a way to seal up the edges. I have seen references to using a thin mixture of wood glue, and that seems like a decent way to go. Particle board is a reconstituted wood product used to some degree in most modern-day construction projects. Proper storage is just as critical as the sealing process. The bottom edge , at the front where it hangs over the cabinets is bare particle board.

The section over the dishwasher is crumbling and releasing wood particles all the time, due to the steam from the dishwasher. The door of the cabinet and the piece of the frame below the door are solid woo but the sides are particle board covered with wood-grain plastic, like contact paper. Finishing Exterior Plywoo Hardboard and Particle board. Be sure to seal all edges with a water-repel lent preservative or water repellent.

How to seal MDF edges for painting By eHow Contributor Pin Share. Prime your MDF board and the edges and let it dry. Paint your finish coat only once. Another popular method for covering the raw edges of particle board and plywood is to attach solid wood molding. Why are you sealing it, that may help answer your question on what to use.

Shellac is a good sealer if you are just worried about humidity. It still will not completely seal any particle board. Sealing exposed melamine edges. The edges of MDF can be a little tricky to paint because the end grain will keep coming through the paint and will be visible even after sanding and painting a few coats of primer and gloss.

Place your drop cloth or shop rag under the piece of MDF board that you want so seal. They prevent moisture penetration on all sides, including the edges. Raw edges , such as a cut edge where the loose wood particles are visible, requires sealing to properly accept primer or paint. Drywall compound applied with a fingertip, then gently sanded when.

Best Answer: You could apply a sealant to particle board. An depending on the number of coats you apply, it may even ward off moisture for a while. Are yo talking about the particle board bottom or the exposed edge when you cut out for the sink? MDF, commonly referred to as particle board , can be a difficult material to work with. But you can easily avoid damage to raw MDF by sealing it, using solvent-based primers found at home improvement stores to seal the material from water damage.

I suggest you use board from a cut to size service and forget Bunnings as most of their melamine board is not HMR. The laminate countertops are made of a particle board that is coated with a synthetic material. The edges may be made of wood or laminate, or a combination of these two materials.

The wood edges require a different type of sealing than the laminate edges. Need to protect particle board from moisture - m. The edges of particle board that remain visible can be covered with special chafing strip, veneer or wooden batten strips. The best result is achieved by using boards that have already been coated and edged at the factory. He was given a lot of particle board with a good smooth finish on one side and wants to use that to save money. Tongued and grooved boards usually have a bevel at the edge , forming a smallish V-shaped groove at the seam of the tongue and groove.

Thank you for your interest in particle boards , of my work is done with veneers and different types of particle boards as well as melamine, and since I only have small tools its great to learn a new trick. Victor, Yes that’s a disk grinder. It makes scribing go fast and is fairly accurate.

A common method for applying an edge treatment is to apply a piece of hardwood stock to the edge that either matches the plywood or compliments the plywood to create a contrasting look. A groove can be cut into either the plywood or the hardwood edging, and then a corresponding tongue can be cut out of the opposite material. The contact cement will seal the substrate to a degree, but repeated exposure to moisture will eventually cause problems. The cost of decent subfloor (cheap) vs the cost of sealing and dealing with particle board (expensive) wins every time. I used some with a nice wood grain covering around the bath.

I painted the ends with water based exterior paint but moisture has got in and is swelling the top edge. Safe Seal is particularly effective at sealing in formaldehyde and other VOCs from composite wood such as plywoo particle board and pressed wood. Safe Seal will not block emissions of organic odors like smoke or pet smells. It would be better for your particle board subfloor to have an oil-based primer go down first. This is due to the properties of the oil-based primer to effectively block and seal moisture better than a water-based primer.

Walk on the particle board until it can be torn out and a proper subfloor and tile installed. The pros have given you some very sound advise, listen to them.