How to Insulate a Basement Bulkhead How to Insulate a Basement Bulkhead

What You'll Need
Construction adhesive
Rigid foam insulation
Hacksaw
Utility knife
Hacksaw blade
Measuring tape
Pencil
Caulking gun
Light

A basement bulkhead consists of at least 1 door (sometimes 2); the structure is placed at the bottom of the entryway. The basement bulkhead and door can both be insulated. This insulation will maintain the interior temperature. Insulating a basement bulkhead is moderately easy. Follow the simple steps below to complete the project.

Step 1 - Proper Measurements

Like any other type of work your home, you need to always take accurate measurements. Not only do you want things to fit properly, but you also don't want to spend more money than you must. Insulating a basement bulkhead is no different, because you need the insulation to be a perfect fit. Otherwise, it will not do its job properly. Measure the height and width of the bulkhead walls. Include doors in the measurement.

Step 2 - Trim the Insulation

Purchase the rigid foam insulation needed to cover the basement bulkhead. Since you may be covering multiple walls, trim the insulation to fit properly from top to bottom. Depending on the height of the basement bulkhead, you may need to piece the insulation together.

Measure the height and width of the door, each section of wall, and the space above the door. Transfer these measurements to the rigid foam insulation, then cut each piece to size using the utility knife or hacksaw.

Step 3 - Install the Insulation

When you insulate a basement bulkhead, do so from inside. It can be a very cramped and dark area, ensure that you have ample light. Cut the tip from the top of the construction adhesive and load it into the caulking gun.

Work from the far end of the basement bulkhead and move toward the door. Squeeze the adhesive on the insulation panel in a serpentine pattern along the edges. Press it against the wall and apply firm pressure for several seconds to ensure a strong bond.

Continue until the basement bulkhead walls are covered with the insulation, saving the door for last. Close the door to place the insulation on the outside.

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