Photo 2—Left, a coarse 3M® Roloc™ Bristle Disc did a good job of removing paint around the repair after it was hammered back into shape. For the patch, we cut a single piece of 745 (12 oz) Episize™ Glass Fabric for the outside and three pieces (in diminishing sizes) for the inside. We started with the single layer outside patch, applying it to the hull centered over the hole and smoothing it into the thickened mixture (Photo 6). Photo 6—A single layer of glass was applied to the outside of the hull and smoothed into the thickened epoxy.
Photo 7—Three layers of glass were laid in position on the inside of the hull and lightly squeegeed to remove trapped air. New for 2012, WEST SYSTEM is offering three specialized boat repair kits designed with the do-it-yourselfer in mind.
Aluminum siding used to be all the rage some 25 years ago, but now the more modern vinyl siding has followed in its footsteps. Primer and paint the repaired section of aluminum siding so that it matches the rest of the siding. Take the X-acto knife and cut out the portion of the aluminum siding that contains the large hole. Sand the corners of the area you cut and lightly sand an area of about 1 inch on both sides, the top and bottom of the gap. Apply the adhesive caulk around the area of the cut, and place the cut to fit piece of new aluminum siding over it. Holes in aluminum siding can appear for a number of reasons, especially wear and tear from weathering. Behind aluminum siding are voids where the siding does not contact the house's sheathing.
Using a drywall patch or metal clips often makes for a faster repair, but it also leaves the drywall a bit vulnerable. Tip: Using a utility knife with a new blade will help create sharp scores, and make paint and paper removal easier and cleaner. Tip: Angle a light at the repaired area (a flashlight works great) to expose bumps or rough spots. Tip: Cut new piece of drywall in the shape of a square or rectangle for best results, and be accurate with your cut! If you have an article that you would like to publish, then you may submit an article and it will be listed on this site. These pics come from a new aerospace test facility that they are constructing at the University of Notre Dame. I am attempting to make all of these fittings air tight as they are used for pressure measurements. We've recently received several emails asking about aluminum boat repair, so we decided to run a photo series on this project since it was such a popular inquiry. Most aluminum welding rods melt at too high a temperature and cannot weld the thin aluminum without warpage.

The flux is an absolute temperature guide, simply watch until it turns into a liquid and apply the rod. Aluminum dissipates heat quickly, so its important to keep the flame broadly moving to ensure your base metal stays above 600 degrees.
Applied with either our electric or gas powered dual component airless sprayer (for large jobs). John Kennedy offered his old 15' Michi-Craft canoe, saying he would bring it down from his cabin at the end of hunting season. The metal had yielded, so we cut away enough of the torn edges to allow the aluminum to lie fair.
Stopper holes were drilled at the end of each tear, and the surface was prepared by wet sanding with 80-grit. Working away from the canoe, we stacked up the three inner patches and squeegeed them to make sure there was no entrapped air.
The foregoing not withstanding, aluminum siding is a singularly durable exterior product, and those whose homes are ensconced are loath to give it up.
Rinse it thoroughly to remove any soap and debris, and then dry the area with an absorbent paper towel.
Since the specifications vary by brand, it is crucial to read the package insert in its entirety ahead of time to avoid any surprises and last-minute trips to the hardware store. Unless you purchase the kind that can only be applied with an applicator gun, it is best to put on the mixture by hand with a small putty knife. Unlike a small drywall hole that can be filled with joint compound and covered with a bit of mesh drywall tape, a medium drywall hole requires a bit more effort, and a different technique.
The first (for holes less then 8″) uses a commercially available drywall patch or metal drywall clips.
The furring strip method requires a bit more work upfront, but the wall is stronger because a new piece of drywall is attached securely to a wood backing. Using a utility knife, carefully score the wall around the patch and remove a layer of the paint and drywall paper. Take a step back and analyze the patch from various angles to look for high spots, or exposed tape. Fit drywall in place to cover the medium drywall hole, and use drywall screws to secure it to the furring strips. My husband and I just moved into a new house, and there is a whole in the wall that needs to patched up.
In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. Mike made the repair to the far right, and after watching Mike's demonstration, Steve made the repairs in the middle. Not smiling, he asked a few weeks later “just how big a repair we could handle.” It turned out John jack-knifed his utility trailer on an icy road, punching a fist-sized hole in the stern quarter of the canoe (Photo 1). Cut up and placed in the green city recycling bins, the canoe could be gone the next trash day.

A hammer and an auto-body bucking dolly gave us reasonable control in getting the hull close to its original shape. Finally, we mixed 406 Colloidal Silica with the residual adhesive in our cup to make a thickened mixture suitable for filling the holes and cutaways in the canoe (Photo 5).
We then centered the stack of patches over the hole on the inside of the hull and carefully laid it into place (Photo 7). This “toughened” fairing compound smoothed the outside for better hydrodynamics and the inside for cleanliness and additional scuff resistance. Learning how to repair a hole in aluminum siding allows you to keep your exterior looking great for years to come. The second method of repairing a medium drywall hole employs the use of furring strips, or other wood backing and a new piece of drywall. Use a thin coat, and feather the edges of the compound out about 2″ from the perimeter of the mesh patch.
Hold the piece of cut drywall up to the damaged area and trace around it on the wall with a pencil. Hold the piece of cut drywall up to the damaged area and trace around it on the wall with a pencil.
Slide the strip into the hole (perpendicular to the floor) and secure the top and bottom of the strip with drywall screws. I want to do it quick, so that it’ll be dry by the time we are done finished moving the furniture in. I had very little warpage of my base metal and I think this is really going to work out very well. Checking the mental Rolodex for the friend with the TIG welder and the associated skill to weld such wounds in thin gauge aluminum was another option. We drilled stopper holes at the end of each tear to reduce the potential for crack propagation. While no one looks forward to a drywall hole repair, be confident that you’ll get the job done!
Or perhaps finding another friend, who is convinced that a torch and brazing rod in the hands of an artist will solve almost anything. We then checked the outside of the hull to make sure that the pressure on the adhesive in the holes was not pushing the outer patch out of fair. We used a coarse 3M® Roloc™ Bristle Disc to remove paint both inside and outside, giving ourselves plenty of bonding surface area around the hole (Photos 2 & 3). When satisfied with the patch placement and fairness, inside and out, we let the patch cure overnight.

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