How to smooth exterior stone window sills and lintels
I have a 1900's terraced house with exterior stone window sills and lintels. I have scraped/sanded and repainted, but the new paint has not covered the roughness of where the original paint came away when scraped, so now it just looks rough and patchy. I suspect that using a filler would solve the problem but didn't want to go ahead in case I make even more work for myself that won't solve the problem! Can you suggest any products or repair processes that will give me a nice, smooth, uniform finish? Thanks!
Re: how to smooth exterior stone window sills and lintels
Try using unsanded grout. you may want to use a bonding agent to make sure it sticks. home depot or lowes. If you want a rougher finish use sanded grout. You should scrape surface down to bare stone. Some times a heat gun will loosen the paint. Use a mask as the paint may contain lead.
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I have a house built in the 70's and the previous owners built in cabinets along an entire wall with sliding wooden doors. I would have to pull and tug and tug to get them to open, and then they would often pull the other door open with them!<br />
This would have been a situation where, with a different material other than wood, WD-40 would have been perfect! Of course I was working with wood, so that wasn't an option.<br />
I finally took an ordinary bar of soap (nothing fancy with moisturizers or extra ingredients) and ran it along the wood where the cabinets slide. Bingo! <br />
<img src="mkd123.jpg" />
I have since used this method to make wooden drawers open and close smoother and I do touch everything up every couple of months with a little run across of bar soap!
My Porter Cable 352vs Belt Sander was clogged from sanding epoxy, wet wood, something like that. No dust collection at all. I had to remove 4 screws on the housing, one screw under the front handle and another below the rear handle. The housing came out very easily (with a little wiggle). Pay very close attention to where the position of your plastic fan housing sits. It will only be installed in one spot. http://www.ereplacementparts.com/images/porter_cable/352_TYPE_1.pdf The pdf diagram was not exactly correct on the housing placement. Once opened, The wood and epoxy were caked in everyplace. I brushed them out and replaced the screws.
If you are burning or wearing out brushes within days, you may have a problem with the commutator on the armature. The copper ring where the brushes make contact had to be absolutely smooth. If it is pitted or one of the contacts is bent upwards, it will eat brushes as fast as you are indicating. If it is dirty or pitted it may be repairable on a lathe with an armature resurfacing stone. If one or more of the contacts are damaged or bent you will have to replace the armature, they are very rarely repairable.
As any good stone mason knows, painting stone is NOT RECOMMENDED! Stone has a natural beauty and durability that cant really be improved upon. Its my opinion that paint on stone or brick usually looks horrible. Especially when the paint gets old and begins to deteriorate. Stone is a natural material used in building for thousands of years. It is strong, durable, insulating from heat and cold and allows the structure to "breathe" while keeping out moisture and preventing condensation. Painting stone stops its ability to "breathe" and effectively closes its pores, which can cause condensation inside walls, break down the stone's surface molecules and premature erosion.
I would recommend power washing or sand blasting the surface to remove the old paint. Then carefully apply a waterproofer / sealant made for exterior use and stone in particular. This will protect your stone window sills and lentils from harsh elements like acid rain, bird poop and ice while allowing the structure to breathe and look beautiful naturally for decades to come.
I would not recommend sanding as this might change the surface of your stone and leave unsightly scratches and uneven surfaces.
You can look online for solutions by googling "stone waterproofing" and "stone cleaning" before deciding what is best for you. I highly recommend NOT painting exterior stone. Here are a few helpful results I have found.