How To Insulate Ductwork and Pipes

Like your exterior walls, ductwork and pipes need insulation. Not properly insulated ductwork can lessen air conditioning effectiveness, lose heat, and it will cost you money. Normally, uninsulated pipes leave water marks, sweat, and it make your water heater work harder. During winter, uninsulated pipes may freeze and burst. Below are some tips on how to insulate ductworks and pipes so they will be more efficient to help you avoid unwanted floods.

  • For insulation, use a fiber board ductwork. A fiber board is an insulation that is made up of solid foam sheet that has an outer foil layer. This kind of fiber board ductwork can be easily molded to fit any openings. The openings are sealed with duct tape so the heat and the air conditioning will remain in the ductwork so it will not leak out.
  • Employ a professional contractor to do the ductwork job especially if you aren’t cozy enough to do it. Just ensure that the contractor is installing the proper ductwork so you will have the most out of the insulation.
  • Paint the pipe insulation. Do this before installing them because it is harder to paint the pipes evenly if they are already installed.
  • There are available wrap-up pipe insulation. It is good, especially for little tight areas. Just ensure that the wrap-up insulation goes beyond the prior layer and it is firmly wrapped.
  • Fiberglass batts are effective in wrapping pipes. Just ensure that the entire pipe is wrapped and the preceding layer is covered. Put duct tape in the end of the batt and seams to protect it. It is also efficient in the pipe’s tight turns and difficult areas.
  • Purchase a hollow core foam insulation pipe covering. You can buy it in lengths; it is pre-cut down in the middle. A foam insulation cover is easy to install, just make an opening, wrap the pipe, and it will automatically seal. Just tape the ends if two pieces meet. Foam insulation coverings are efficient in long pipes.

Other kinds of pipe insulation to consider are:

  • Sponge felt insulation – It comes in straight blocks, also as preformed shapes for fittings and valves.
  • Self-sealing fiberglass insulation – There are with or without an “all-service jacket”, and you can get it in different thicknesses, from half an inch to 4 inches. It is molded and heavy density; primarily used by institutional and commercial buildings.
  • Cork pipe covering – It includes molded and compressed bark from cork trees. It comes with a plastic asphalt coating. This is a wonderful choice for different types of low-temperature range pipes and cold waterlines.
  • Wool felt – The thickness is available in half inch to an inch. It comes along with a canvass jacket, and it is molded using matted wool fibers, hairs, or furs that have been pressure rolled. The wool felt is efficient for both hot water pipes and cold water service.

Insulate the pipes on exterior walls to shield them from freezing. You can also insulate the exterior pipes for hose and well connections to shield them from cold.

You will notice your savings as soon as you have insulated the ductwork and pipes in your home. In these times of financial crisis, savings do matter.


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