Weatherstripping is the process of sealing openings such as doors, windows, and trunks from the waters above. The term can also refer to the materials used to carry out such sealing processes. The goal of weatherstripping is to prevent rain and water from entering entirely or partially and accomplishes this by either returning or rerouting water. A secondary goal of weatherstripping is to keep interior air in, thus saving energy on heating and air conditioning.
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Transcription
Automotive
Purpose
Automotive weatherstripping is used extensively aboard automobiles, and can be found anywhere the interior compartment must be sealed from the environment. It must be functional and cohesive with the body design of the vehicle. In addition to factors standard to weatherstripping, additional factors must be considered for vehicles, specifically in the engineering of the parts. For example, the weatherstripping must function the same while the vehicle is parked and at full speed; be flexible to accommodate motion vibrations; endure extreme temperatures of hot and cold; withstand long periods of sun exposure; and resist automotive liquids such as oil, gasoline, and windshield washer fluid (methanol). Weatherstripping also plays a part in maintaining satisfactory ride quality in the vehicle, being partially responsible for sealing noise out from the passenger compartment.
Automobile flex when going over bumps, and vibrations cause relative motions between the relatively fixed body and movable parts like doors, windows, and sunroofs. This movement could allow water in the vehicle so the weatherstrip must compensate by filling the gap. Furthermore, this relative movement can cause noises such as squeaks, rattles, and creaks to be heard within the vehicle.
Considering a standard four-door vehicle, the doors require 20 feet (6.1 meters) or more of material per door, windows require upwards of 10 feet (3.0 meters), and trunks require large amounts.
Automotive weatherstripping can fail because of age or use.[1] Poorly performing weatherstripping should be reported to the car dealership if the vehicle is under warranty, as fixes may be known.
Materials
Automotive weatherstripping is commonly made of EPDM rubber, a thermoplastic elastomer (TPE) mix of plastic and rubber, and a thermoplastic olefin (TPO) polymer/filler blend. Sunroof weatherstripping can also be made from silicone due to the extreme heat encountered by automobile roofs.
Buildings
Overview
Weatherstripping around openings – especially doors and windows – is used in buildings to keep out weather, increase interior comfort, lower utility bills,[2] and reduce noise. Builder weatherstripping can be made from felt;[3] vinyl, rubber, or poly foam;[2][3] EPDM cellular rubber and vinyl tubing;[4] and metals such as brass and aluminum.[5]
Doors
Every exterior door, or door to an uninsulated room such as an attic, must be weatherstripped as required by building codes in various jurisdictions. The materials used in door weatherstripping are thresholds, a piece of material (either a sweep or a J-hook) to match the door to the threshold, and the actual weatherstripping itself. Doors can usually be divided into private homes and commercial properties. Some of these doors receive custom weatherstripping at the factory.
Pre-weatherstripped doors for private homes are usually made of fiberglass or a similar material and are shipped from the factory weatherstripped. The doors have a kerf in the door stop so that a foam, rubber, or vinyl strip can be placed inside for the door to rest against when closed. These doors also have the threshold — usually a molded piece of plastic — nailed to the frame in the factory. These units are not difficult to install and require only very little skill.
Custom weatherstripping, compared to pre-weatherstripped units, requires much more time and is considered to be a specialized skill. Weatherstrippers install a threshold, cut the door and install a sweep or J-hook to the bottom of the door, and nail spring-steel bronze into the doorjamb to seal the gap.
Door weatherstripping is critical for thermal comfort and the overall energy efficiency of any building, particularly in Zero Energy and Passive House building projects for cold climates.
Low-energy buildings require special doors with special weatherstripping standards, based on the alignment of the threshold and jamb gasketing, multiple weatherstripping, and special seals - including special silicone or synthetic rubber seals, but also compression and steel magnetic weatherstrips.
Windows
Weatherstripping can be used on windows to seal them on all sides. Metal caps on the window top[5] and on sashes[2] redirect rain to drip off instead of infiltrating. Foam or gasket weatherstripping can be applied to the sides and sashes.[6]
Other uses
Weatherstripping is also used on boats, to seal passenger and cargo areas from the elements.
References
- ^ Wojdyla, Ben (24 April 2012). "How to Fix Your Car's Weatherstripping". Popular Mechanics. Hearst Magazine Media. Retrieved 14 July 2013.
- ^ a b c The DIY Network. "Making Your Home Airtight". www.diynetwork.com. Retrieved 14 July 2013.
- ^ a b "Window/Door and Specialty Weatherstripping". Frost King. Retrieved 14 July 2013.
- ^ "Tubular Vinyl Gasket Weatherstrip". Frost King. Retrieved 14 July 2013.
- ^ a b The Builders Supply (30 October 2012). "Dorbin Metal Strip". www.thebuilderssupply.com. Retrieved 14 July 2013.
- ^ "Weather Strip Your Windows". Lowe's. Retrieved 14 July 2013.
This page was last edited on 20 November 2023, at 12:33