Even with steam heat, a radiator gets only about half as hot as the temperature needed to kindle paper, so you can rest easy. Pros agree that sandblasting followed by powder coating gives the best, long-lasting, non-sticky finish-but don’t try this at home.ġ0. Hot-water and two-pipe steam radiators get them on the supply side one-pipe steam radiators get them between the radiator and the air vent.ĩ. ![]() Thermostatic radiator valves are a great way to zone any radiator and save fuel. Use two checkers under radiator feet-they’re the perfect shape and size.Ĩ. ![]() One-pipe steam radiators must pitch toward the supply valve. Keep the valve either fully open or fully closed to avoid water hammering and squirting air vents.ħ. The steam and condensate have to share that confined space. Don’t throttle a one-pipe steam radiator. – Jacob Arndt, Preservation Consultant, Architectural Stone Carver RadiatorsĦ. Damaged masonry units should be replaced whole or via Dutchmen of the same material. Sealers trap moisture, compounding problems during freeze/thaw cycles.ĥ. Only deteriorated mortar should be removed. Using too much Portland cement in the mix creates hard mortars, which can damage old buildings.ģ. New mortar should match as closely as possible in color, consistency, and elevation. Most buildings need tuckpointing maintenance every 50 to 60 years.Ģ.
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