![]() ![]() Easy to handle, it is made with non-drying linseed oil that sets into a firm, tough cushion and adheres. as you can imagine, in the window restoration business weeks and weeks of drying time just doesn't work.i use a glazing putty called sarco, type m.it skins over in 3 days in a warm dry shop with fans assisting in oxidation of the oils.this does not adversely effect the putty.in fact, the manufacturer created this putty for folks like. Features & Benefits: Dual Glaze glazing compound holds a permanent, water-tight bond on wood and metal sash and doors. It's difficult to describe how the putty should look and should be thicker and less tacky than peanut butter but more pliable than play-doh.when we open a new 5 gallon bucket, there's plenty of oil on top which must be removed by patting with a paper towel.when we get past the halfway mark in the bucket, the putty become dryer.roll oily putty on cardboard to get the right consistency and add BOILED linseed oil to putty that appears dry.we have a heat box for our 's approximately 12"x 16" and made of birch plywood that is screwed together.a 1/4" thick piece of glass rests a 1/4' down from the top.the heat source is a 60 watt bulb that sits inside at the bottom of the box.vent holes are drilled on all four sides.roll the putty out on the glass and in about 15 minutes, the bulb heats up the putty perfectly.heating the putty makes it easier to distribute the oil and set the glass. Uses: Sarco Dual Glaze is a knife-grade glazing putty used for bedding glass on-site, for both metal and wood sash. ![]() With sarco, you won't be able to come back in a day or two to clean up the edges as it will have begun to skin over.i typically set the putty, do a once over tooling, clean off the extra, put the sash aside and begin another.when i'm done with the second sash, i do a final tooling of the first. I always have a folded section of papertowel lightly saturated with turpentine.i wipe/clean my knife regularly-the knife should not be dripping with turps, but rather have a shiney wet surface.the speed of tooling the putty is 's gotta be in the goldilocks style-not too fast, not too slow but just right.drag can happen when you tool too slow or too quickly.of course it takes a while to get it just right.i can tool the putty going in either direction without issue. Adheres to all glazing surfaces, forming a permanent watertight. I use sarco type m and the same putty knife.i cannot see the photo as my dial-up is crap. A modern glazing compound that remains elastic, allowing for normal expansion and contraction.
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