Types of Stick-On Foam Insulation for Around Doors

Written by emily beach
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Types of Stick-On Foam Insulation for Around Doors
(WoodleyWonderworks: Flickr.com)

Stick-on insulation is a type of weatherstripping used around a door to seal air leaks or gaps. It is an affordable and easy-to-install alternative to traditional weatherstripping and door seal kits. Stick-on insulation provides a number of benefits, including draft reduction, improved comfort levels and an increase in energy efficiency.


Stick-on insulation is available in a number of different materials that can be used to seal a door. Neoprene versions are very soft and flexible, making them a good match for tighter door openings. They tend to be fairly thin, however, and may not hold up over time. Polystyrene is an affordable foam material that works best on low-traffic doors. Felt seals are also very affordable, but don't hold up well against rain and heavy use. Stick-on vinyl seals are the most durable and rigid of these materials but also the most expensive.


These seals serve a number of functions in addition to their insulating properties. They minimise air leaks that can create cold drafts around a doorway and also help to keep water and moisture out of the home. Seals used on interior doors can reduce noise levels or even prevent the spread of smoke during a fire. Expandable foam seals are applied to fire-rated openings. Known as intumescent seals, they expand during a fire to seal the door and slow the spread of fire.


Stick-on seals can be used at interior and exterior doors, and are applied along the top and sides of the door or frame. They come in V-shaped, bulb-shaped or rectangular tape units that will fit various sizes of gaps and door configurations. Larger units can be installed at the bottom of a garage door to improve insulation levels in the garage. Stick-on foam insulation is also available for use in cars and other vehicles.


These stick-on insulation products often feature a peel-and-stick backing. To apply, simply cut the insulation to the correct size using scissors or a utility knife, then peel off the backing and press onto the door. Choose the correct thickness to fit the gaps on your door, or choose a neoprene version for more flexibility. Use continuous strips along each jamb and be sure to align corners tightly together. Foam insulation should be applied to clean, dry surfaces only.


When comparing different types of stick-on insulation, consider factors like price, climate and temperature variations. Determine how much friction the seal will be exposed to, as well as how much traffic and wear-and-tear will occur. Look for a seal that fits tightly between the door and frame without dragging or impeding the operation of the door. Higher quality seals tend to last longer and require fewer applications over time.

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