6 best pipe sealants

Review of the best according to the editors. About the selection criteria. The the material is subjective, is not advertising and is not serves as a guide to the purchase. Before purchase is needed consultation with a specialist.

When installing water, heating or sewage systems, an important goal is the tightness of the joints. With poor assembly possible leaks, which will require dismantling the site and re-performing work. If the system leaks over time, then you can spoil flooring and even flood the neighbors. Suction of external water or garbage in the sewage line can disrupt its operation. We offer Your attention is a review of the six best pipe sealants that Our experts have selected based on product characteristics and reviews.

Rating of the best pipe sealants

Nomination a place Name of product price
Rating of the best pipe sealants 1 PVC COSMOFEN SL-660.220 360 rubles
2 Kim-Tech 101E Silicon Acetat 236 rub
4 TYTAN PROFESSIONAL white 280ml 71552 279 rub
5 Penosil S white H1199 233 r
6 SOUDAL Fix All FLEXI White 117383 476 RUB


Rating: 4.9


In the first place, the sealant from the German brand COSMOFEN. it diffusion adhesive with a one-component composition, where the basis are vinyl chloride polymers immersed in a solvent. The sealant is white and has a viscosity of 4000 MPa.s. It can be applied at temperatures from +5 to +30 degrees. Functional strength is obtained after 4 hours. Buyers in reviews warn that sealant dries quickly – hardening occurs in 60 seconds, so you need to quickly collect the overclock. Masters are satisfied with the plasticity of the substance, which ensures conservation weld integrity despite pipe vibration. Even when applying the product does not drip, but remains viscous, so it is easy to apply exactly at the junction.

Experts consider this sealant to be the best in terms of strength. IN people call it “liquid plastic.” It perfectly fills the gaps in joints of plastic pipes, merging with the material at the molecular level. The product tolerates ultraviolet rays and does not dry out with time. If you collect sewers once using of this glue, then disassemble it to eliminate leaks has never required.


  • forms a semi-solid adhesive joint;
  • good resistance to UV rays;
  • does not drip from the tube when turning over;
  • resistant to temperature extremes.


  • there is an unpleasant smell;
  • if it drips onto linoleum, it may leave a stain;
  • freezes in 60 seconds, so you need to act quickly.

Kim-Tech 101E Silicon Acetat

Rating: 4.8


Second place for sealant from the German manufacturer Kim-Tech. At It is another base – silicone rubber. In contact with moisture, in the air, the product hardens, forming an elastic, but durable seam. Elongation at break is possible up to 450%, therefore pipes able to tolerate vibration from both fluid movement and external random hits. Shore A hardness is 20 units, which makes the product suitable for professional use on pipe risers in a multi-story building. To buyers in reviews like that sealant can even be used for hot water, because maximum permissible operating temperature is +160 degrees.

Experts considered the sealant the best for beginners. Film on it formed after 9 minutes. This allows you to collect the site sewer or heating and, if something comes out wrong, disassemble pipes without much effort. The elastic mixture does not have time to stick therefore, you will not spoil the elements of the system.


  • sticks well to the surface;
  • easy application;
  • elastic seam;
  • comfortable long nose.


  • emits an unpleasant odor when dried;
  • need a mounting gun;
  • the structure cannot be loaded immediately.


Rating: 4.7


In third place is pipe sealant from Switzerland. True, the product of the brand KRASS ULTRASEAL directly in Poland. The composition contains a silicone component and solvents. For use, you need a mounting gun, but the long nose of the tube facilitates the flow of glue into deep joints plastic pipes. In the reviews, the masters share what to add sealant easy even after docking the sides. The tool is suitable for running water and sewers operated inside and outside the building. But for heating systems can not be used, since the maximum positive temperature should not exceed 80 degrees. The product is sold in tubes of 260 g and has a white color, thanks which makes it easy to control the amount of application to dark pipes.

This sealant, according to the editorial staff of the magazine, is the best in terms of storage. It can withstand up to five freezing cycles temperature -35 degrees. These characteristics allow you to purchase goods at a bargain price and store them in an unheated repaired or a building under construction prior to use.


  • resistance to water with constant contact;
  • designed for temperatures from -20 to +80 degrees;
  • simple application without falling drops;
  • high adhesion to glass, ceramics, all types of plastic.


  • need a mounting gun;
  • complete drying occurs after 24 hours;
  • you can only clean excess pipe sections solvent.

TYTAN PROFESSIONAL white 280ml 71552

Rating: 4.6


280 ml silicone sealant continues brand review TYTAN. It creates a seal when connected and is designed for applications with materials such as: aluminum, steel, ceramics, hard plastic. Masters in reviews especially praise sealant for bonding even of stainless pipes. Maximum temperature use is allowed up to +100 degrees, so the substance can feed into the joints of the heating pipes, provided that the boiler will not to boil. Easy to control the flow of funds thanks to white color. Operation of communications with sealant is allowed on the street at temperatures up to -40 degrees. With such an adhesive, the construction of pipes additionally strengthened because the seams are elastic and capable of movement up to 20%. In direct sunlight, the substance does not collapses.

A feature of the sealant is its sanitary-hygienic properties that are achieved due to the acid base with fungicide. we we recommend this sealant especially for sewer pipes, since mold will not form at the joints and the apartment will not an unpleasant smell will appear.


  • suitable for plastic and metal pipes;
  • eliminates the risk of fungus;
  • tensile elongation up to 200%;
  • Hardness A – 18 units.


  • cost is higher than others;
  • need a mounting gun.

Penosil S white H1199

Rating: 4.5

Penosil S white H1199

Estonian manufacturer offers pipe sanitary sealant in white. The sealant belongs to the silicone group and Available in 310 ml cartridges. You can use the substance with temperature +5 … + 40 degrees, and after hardening the sealant can withstand drops from -40 to + 100º C. The product has increased water resistance, which provides reliable tightness during the entire service life of communications. In reviews, buyers note excellent adhesion, which increases the strength of the entire structure. But they warn that if you do not remove traces of glue with PVC immediately, then then it will be impossible. The nose of the tube has a cap, therefore, pipe laying work can be carried out for several days, using one unit of goods.

Our experts considered the best sealant in terms of lightness. determine the amount of feed. Other gaskets have shrinkage to 15%, which must be taken into account when filling the joint. As a result there is a possibility of too little seam volume or vice versa excess that will have to be quickly removed with a rag. Shrink here missing at all, so the master can accurately deliver the desired volume sealant and do not worry that the seam will become thinner after drying out.


  • does not crack;
  • can be used inside and out;
  • 200% elongation;
  • joint mobility is permissible up to 20%.


  • excess fragments are difficult to remove from plastic pipes after drying out;
  • strong smell.

SOUDAL Fix All FLEXI White 117383

Rating: 4.4


The product from Belgian completes the review of the best sealants brand. In the last place we put it because of the high cost. The glue consists of SMX hybrid polymers. Paste Designed for wet curing after 10 minutes stay outside the tube. After solidification, the seam freely tolerates temperatures from -40 to +90 degrees. In addition to white sealant, manufacturer releases substance in gray, brown and black color. The users in the reviews like the sealant almost no smell. This is not a subjective opinion of individual buyers, and one of the features of the product, which is accompanied Emicode EC1 Plus certified. According to the document, the remedy is not emits volatile organic compounds.

Our experts awarded the sealant the title of best because it has a shore strength of 40 units, which is two times higher indicators of other products. Pay attention to lengthening to gap – it is 750%! This product is best for designs from pipes with high mechanical stress.


  • for all types of materials;
  • does not leave spots;
  • neutral chemical reaction with surfaces;
  • almost no smell.


  • high price;
  • not suitable for heating systems due to non-compliance temperature indicator.

Attention! This rating is subjective, is not advertising and does not serve as a guide to the purchase. Before the purchase consultation with a specialist is necessary.

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