Retrofit(Saw Cut) Into Existing Surfaces
Retrofit is an option to install an electric snow melt systems on existing surfaces. The system can be designed to cover any specified area. Chalk lines are used to mark the runs of heating element onto the surface and covered with a clear lacquer or acrylic spray to waterproof the chalk marks. Waterproofing is important so the lines can be visually seen and unaffected by the water used during the cutting process. Depending on the cable used, saw cuts can be 11⁄4" to 11⁄2" deep and between 1/4" and 3/8" wide. Once the saw cutting is finished, a power washer is used to clean the surface and grooves in preparation for the heating cables. Heating cables are placed into the groove and covered with a foam (backer rod) insulation and a caulking or sealant is applied 1/4" thick at the surface of the groove. For concrete, a special polyurethane based sealant is recommended. For asphalt, a special silicon based sealant is recommended. The Silicon sealant is currently not available.
Read more about this topic: Snowmelt System, Installation, Electric Snowmelt Systems
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