If you cannot discover how a patch is getting damp, and paint continues to peel from it, sometimes the patch can be sealed using a thin coating of clear glue suitable for indoor/outdoor use, shellac, or an exterior polyurethane, and then painting over that. On deep fills that are done all at one time, the water putty at the bottom of the fill will remain quite damp for many days, since all the moisture that is deep in the patch has to work its way through the dried putty that is exposed to the air. If the area that you are filling is deeper than about 1/4 inch, you should fill in layers of about 1/4 inch and let the putty dry overnight before applying the next layer. If paint peels from the putty, it is either not thoroughly dried and has a high moisture content, or it is getting damp or absorbing moisture from some source. Durham’s also must not be used in structural, or weight-bearing, applications.ĭurham’s does not absorb a stain, so the patch must be painted and not stained.ĭurham’s is intended to be applied in actual voids or cavities and should not be applied in a layer over the face of a board, since it can come loose with the slight expansion of the underlying surface.ĭurham’s is not recommended for porch floor or deck repairs or other areas that are difficult to keep sealed from moisture. So if you see peeling, you must find the source of the moisture and stop it from gettting into the putty. Water putty is not waterproof and will absorb any moisture it is exposed to and the paint will peel. May generate heat while drying – do not apply to skin.Durham’s can be used outdoors, but keep these things in mind…ĭurham’s can be used outdoors and will withstand outdoor weather, but it must be kept painted. NIOSH approved dust respirator may be required when generating dust. ![]() In case of contact with eyes, rinse with water. Putty expands slightly as it dries helping it to “stick and stay put,” however, this expansion may cause Putty to “pop” from a smooth concave surface. If there is movement between floor boards, or expansion and contraction, Putty may become loose. Putty is not waterproof and will absorb moisture, as from underneath porch or deck floors and from condensation within walls. 1 2 Next of 2 Mac10 TU Member 134 Posted FebruOn there is a post on the Message Board about making a mold out of Durhams Rock Hard Water Putty and then using it to make hard baits out of Bondo. On outside work, paint will peel from Water Putty if it is still damp. Putty will withstand weather, if kept painted and sealed from moisture. Total drying time depends on size, humidity and temperature. Putty must be thoroughly dry before painting. Experiment with dark colors, since too much coloring may affect the mixture. Do not mix with any oil-based material, as Putty may not harden. It can be colored by mixing with a dry pigment, water-based stain or water-based paint. Because of its hardness, Durham’s will NOT take most surface stains. ![]() If needed, smooth and finish with sandpaper. Try to remove any excess putty before it is thoroughly hardened. Press Putty firmly into cavity, filling completely, smoothing off with putty knife. A small amount of vinegar (less than 25% liquid) added to water when mixing will retard hardening. Prepare only the quantity needed as it sets quickly. Pour dry putty into a clean dish and add water little by little, mixing as water is added until desired consistency is reached (about 3 parts powder to 1 part water by weight). Simply cast them with original Durham’s Rock Hard Water Putty® using any suitable plastic or flexible rubber film.Īrea to be repaired should be free of dust, grit and oil. ![]() It’s easy to make impressive figurines, relief sculptures, and other items that you can keep, display, or give to your friends. Use Durham’s to patch cracks and holes in walls, repair furniture, tighten loose wood joints, fill holes in wood so dowels and/or screws can be reset, fill edges and imperfections in plywood, and repair all kinds of antiques. It adheres to the sides of the hole for permanence. After the putty has set up, remove the excess. Just fill the void completely until the putty bounces back. It is durable, long-lasting and Rock Hard! The powder formula becomes a putty substance when mixed with water.ĭurham’s ® Rock Hard ® Water Putty fills voids like holes, cracks, and the like. Durham’s is used by repairmen, carpenters, woodworkers as well as DIYers and homeowners looking for a great product for home repair. It didn’t take long to discover that this great product had many uses in households all over the US. Tools for Gravestone Restoration & Monument Installationįor lasting creations and restorations, always use the original Durham’s Rock Hard Water Putty.ĭurham’s ® Water Putty was originally produced in 1935.
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