A totally unique, quick drying, water based grain filler and wood putty accepts stain beautifully or can be tinted. Never goes bad Easy to apply and clean up No shrinking, cracking or falling out. Does not become permanent until you apply a finish. If you're ever unhappy with the way it looks, the color, etc. – just water it down and remove it. If it freezes, simply put it in the microwave to warm it up or if it dries out, just stir in water. This allows for zero waste! This might just be the perfect wood filler. Manufacturer recommends using only stainless steel or plastic tools to apply because Timbermate may react with low grade steels and turn black. If this happens, simply add water and remove it, or wait for it to dry and sand it off. Easy preparation Timbermate is versatile and may be used for all interior repairs, including repairing edges. Fast drying When you’re done with your repair, scoop it up and put it back in the bucket. Timbermate protects wood, doesn’t harm it.