Taken from that perspective, contractors sanding a wood floor have a huge responsibility to protect their customer’s investment and make that floor last as long as possible. If you skip more than one grit in the sanding sequence, you end up with the first cut leaving deep scratches into the wood, and the second cut having too fine of a grit to take out the first scratch. Most people who have never sanded a floor before assume that every floor is sanded with the same grit sequence. The more damaged your floor and the harder the wood species, the coarser your first grit pass will be. The only problem is, I often change my method for sanding hardwood floors depending on several factors such as the condition, flatness or even the type of finish that is currently on the floor. If the floor is excessively uneven and damaged I will start on a 36 grit.
If you do decide to sand an old floor yourself, take these precautions: 2 3 Cover vents, doorways, and light fixtures with plastic sheeting. For most floors, 36-grit sandpaper is a good place to start. Floor sanding and refinishing generate a large amount of dust and fumes. (My preferred progression for a hardwood floor such as oak begins with 60-grit abrasive, goes to 80-grit, and finishes with 100- or 120-grit. To determine the appropriate grit range for floor sanding paper, start with the finest grit which will achieve the desired finish and work backwards to the coarsest grit. The following illustration shows the effect of proper grit progression on a wood floor.
The 36-grit sandpaper (used on the diagonal for the first pass like it shows in the video) wasn’t doing the job, so I went back to the rental place and got 20-grit to start with. The truth is, wood floor sanding is a popular do it yourself project and often an intriguing challenge enticing many homeowners looking to get their hands dirty. Most rental areas stock paper starting at around 36 grit for belt sanders and 50-60 grit for planetary machines. Read Part 6 of our series on finishing hardwood floors, in which we discuss sanding. For the second sanding, a medium, 80-grit paper is used; and the final finish sanding requires a fine, 100-grit paper.
How To Sand Hardwood Floors (with Pictures)
Using the drum sander and working with the grain of the wood, make at least two passes in each direction with 60-, 80- and 100-grit sanding disks. (Skip 20- and 36-grit disks unless you’re stripping paint off the floor. The wood floor is sanded with a rental floor sander to remove all scratches and old finish. We started sanding the floor with 36 grit sandpaper. Oak hardwood floors wear well and look their best when properly refinished. Start with a 60-grit sandpaper, but if the floor is in really bad shape, you may have to use 36-grit paper. Always sand in the direction of the wood grain with the largest grit sandpaper first. If you are sanding old wood floors, you will do wood fill after you have sanded/edged twice: once with the 100 and then the 80 grit. Do you have some gorgeous wood floors that have seen a bit of abuse? Have they been hiding under carpet for years? Getting them professionally refinished is the easiest way to give them a facelift, but you will pay a pretty penny to do so. 20-60 grit, 120 grit and 220 grit Sandpaper (for your tools). Congratulations, you’ve decided to sand and refinish your hardwood floors with easy-to-use, patented, Random Orbit Floor Sanding Equipment from U-Sand. These grits are used to remove the existing finish, any imperfections, unevenness, ripples, or start-stop lines already in your floor.
The Correct Way To Sand Hardwood Floors
The ultimate DIY guide on how to sand wooden floors yourself and achieve a professional finish! Step by Step guide with tips, tricks & budget breakdown. For the large drum sander, we used about 12 sheets of 24 grit, 8 sheets of 40 grit paper, 8 sheets of 80 grit paper and 5 sheets of 120 grit paper. How to: Sanding wood and hardwood floors, dustless and conventional. Sand the floor with the Trio using 60 grit, 80 grit and 100 grit sanding disks. Professional Drum Sanding Technique for new wood floor, or an old wood floor where refinishing is required. Materials Needed: Open faced rough grit, and regular, medium and fine grit sanding belts or disks for an edger, 16 fine sanding screen and Non Metallic steel wool pad, wood filler. Floor buffer – Use this tool with a 120 grit screen after sanding is complete, and 220 grit in-between coats, when refinishing hardwood floors. This machine will blend in the edger and the drum sander, sanding patterns together, to prevent a picture frame effect.
When refinishing an old hardwood floor or finishing a new hardwood floor, you should use sandpaper grits in a particular sequence to achieve the best results. An orbital or vibrating flooring sander is recommended for our hardwood flooring. Vacuum the entire floor and repeat the process with the 100 or 120 grit sanding sheet. Floor sanding is the process of removing the top surfaces of a wooden floor by sanding with abrasive materials. After the floor is prepared, the sanding begins. The first cut is done with coarse-grit papers to remove old coatings and to make the floor flat.