Is MDF good for a work bench top?

Using what you have at hand you can make any number of different workbenches of various styles and configurations. At the most basic a single thickness of MDF can work as a top for now, with the plan being to beef it up later, and possibly add a sacrificial hardboard surface as well.

Can MDF hold weight?

According to thisoldhouse.com, an MDF shelf with a size of 3ft. (900mm) long x 1″ (25mm) thick x 12″ (300mm) deep and unsupported can hold 87 lbs. (40kg) of weight without sagging more than 1/4″ (6mm). MDF is way cheaper than the solid woods and most plywood grades.

What is the best wood to make a workbench?

Plywood – Plywood as a workbench top offers medium durability at a reasonable cost. Layer the wood so the top is a minimum of 3/4 inches thick and you’ll have a sturdy surface to hold your projects. Plywood is also less likely to warp.

How do you seal MDF?

Seal the MDF with PVA Glue: You can seal MDF surfaces with thin layers of PVA (white or carpenter’s) glue. Most PVA-based carpentry glues require dilution with water to get a thin sealing layer on your MDF (which can cause the MDF to swell).

Does MDF need to be sealed?

Despite being very dense, MDF is also incredibly porous, and it typically needs a sealer or primer to make it unporous. Without applying this so-called ‘prepcoat’, whatever paint you’re using can be absorbed into the MDF, leading to discoloration and blotchiness.

What is the best plywood to use for a workbench?

For most workbenches, the best plywood products to use are sanded softwood plywood, marine grade plywood, Appleply, Baltic Birch, MDF, or phenolic board. If you’re looking to build your workbench the most budget friendly possible, stick with softwood plywood, with either MDF or tempered hardboard for the top layer.

How many clamps do I need for a workbench top?

You will need a minimum of 11 clamps but perhaps if you don’t have enough you can borrow them. Even pressure along the whole length is important. Wipe off any excess glue with the shavings. This will help the glue to dry and prevent hard glue on the surface before you plane.