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seal up

To close something and bind the seals so it does not reopen. A noun or pronoun can be used between "seal" and "up." They're going to seal up the door leading into the cellar. Would you please seal this box up for me so I can get it in the mail?
See also: seal, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

seal something (up) (with something)

to fasten something closed with something. Please seal this box up with twine. Would you seal up this box with tape?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The new Freudenberg Sealing Technologies development supports the trend to ever-larger wind turbines for the efficient and reliable production of clean energy.
With the innovation, which is suited for all bearing and shaft diameters, Freudenberg Sealing Technologies will make reliable, robust sealing concepts possible to meet future requirements in wind power facilities.
Custom solutions provide effective sealing with strong resistance to abrasion, and they are widely used by HPLC system OEMs for long life in mobile phases, especially when buffer salts are present.
'Successful Sealing with Elastomers' - an interactive guide to diagnose and prevent seal failure, ESA Publication No.
These applications occur mainly in ethylene and propylene compressors, which are comparable to LNG sealing applications but are special with regard to low-sealing pressures in normal operating conditions.
This innovative design technology is ideally suited for reliably sealing high-temperature process fluids on rotating equipment.
Depending on application, sealing rubber should be strong, heat resistant, cold resistant, or resistant to chemical attack.
Founded in the early 1950s, Busak + Shamban supplies seals and sealing systems for a range of industries, including engines and mobile hydraulics.
Turbo-Seal is a permanent injectable waterproofing membrane pressure injected to the positive side of a structure or failed waterproofing layer, effectively sealing leaks at their source.
RF sealing equipment from 0.9 to 60 kw includes appropriate generator and press best suited to application, along with production tooling.
If the chalk line is broken, the V-pack may not be sealing correctly.
In any sealing application, correct O-ring selection depends on a number of design considerations, including dimensions, chemical compatibility and the ability to resist pressure and temperature extremes, in microminiature applications, the importance of the aforementioned considerations increases as the size of the O-ring decreases.
This system allows induction sealing for tamper-evidence, leak protection and freshness.