---
title: Manholes
description: Molecular Inc has a variety of services to protect or rehabilitate manholes.
image: https://www.molecularinc.com/hubfs/IMG_2798-2.jpg
---

[Skip to content](https://www.molecularinc.com/manhole-services#main-content)

![Molecular-1](https://www.molecularinc.com/hubfs/Molecular-1.png)

- [Home](https://www.molecularinc.com)
- [PPG Raven 405](https://www.molecularinc.com/raven)
- [Manhole Services](https://www.molecularinc.com/manhole-services)
- [Other Services](https://www.molecularinc.com/services)
- [Gallery](https://www.molecularinc.com/gallery)

- [Home](https://www.molecularinc.com)
- [PPG Raven 405](https://www.molecularinc.com/raven)
- [Manhole Services](https://www.molecularinc.com/manhole-services)
- [Other Services](https://www.molecularinc.com/services)
- [Gallery](https://www.molecularinc.com/gallery)

![menu-toggle](https://21645388.fs1.hubspotusercontent-na1.net/hubfs/21645388/menu-toggle.svg)

![menu-close](https://21645388.fs1.hubspotusercontent-na1.net/hubfs/21645388/menu-close.svg)

Search

[360-749-8200](https://www.hubspot.com/)

---

OR: CCB 121211     WA: MOLECI\*015NT

# Manhole Rehabilitation

[know more](https://www.hubspot.com/)

- [Home](https://www.molecularinc.com?hsLang=en) >
- Manhole Rehab

## What We Offer

## Our Manhole Services Include 

Manhole channeling, coating, forming, repair and vacuum testing.

![Epoxy Manhole Coating](https://www.molecularinc.com/hubfs/IMG_2798.jpg)

##### Manhole Coating

Epoxy coating helps to stop corrosion from hydrogen sulfide, prevent infiltration and exfiltration, and renews the service life of manholes.

![0-1768597819080-2](https://www.molecularinc.com/hubfs/0-1768597819080-2.jpg)

##### [Channels And Benches](https://www.hubspot.com/)

Our team can install channels and benches in new manholes. We can also rehabilitate the channels and benches in deteriorated manholes, and grout and seal the joints and risers in manholes and catch basins. We can do a variety of other services and repairs in your sewer structures.

![0-1768943206890](https://www.molecularinc.com/hs-fs/hubfs/0-1768943206890.jpg?width=321&height=400&name=0-1768943206890.jpg)

##### Our Other Manhole Repairs and Services

We offer other manhole repair services including:

 Cementitious grout patching and repair

 Inside drop bowl systems

 Ladder rung installation or removal

 Vacuum testing

 

![0-1770228858988](https://www.molecularinc.com/hubfs/0-1770228858988.jpg)

##### Leak Stopping

We use chemical grout to effectively stop ground water leaks. Injecting chemical grout allows for a permanent, trenchless repair, preventing the need for excavation. Chemical grout has a water like viscosity allowing it to be applied in the smallest cracks and joints. It also has the benefit of stabilizing the ground surrounding the structure, preventing settlement caused by sinkholes.

[![Molecular Inc Logo](https://www.molecularinc.com/hs-fs/hubfs/Molecular.png?width=5000&height=5000&name=Molecular.png "Molecular Inc Logo")](https://www.molecularinc.com/?hsLang=en)

Est: 1997

Molecular Inc is a contracting company specializing in industrial epoxy coatings for asset protection and structural rehabilitation.

- <https://www.facebook.com/molecularinc>

### Molecular Inc

- [Home](https://www.molecularinc.com)
- [PPG Raven 405](https://www.molecularinc.com/raven)
- [Manhole Services](https://www.molecularinc.com/manhole-services)
- [Other Services](https://www.molecularinc.com/services)
- [Gallery](https://www.molecularinc.com/gallery)

###### Get In Touch

###### Molecular Sewer And Drain

[(360)749-8200](tel:3607498200)

[office@molecularinc.com](mailto:office@molecularinc.com)

[157 McMillan Dr, Longview, WA 98632](https://www.google.com/maps/dir//157+McMillan+Dr,+Longview,+WA+98632/@46.4931529,-122.9326625,14z/data=!4m8!4m7!1m0!1m5!1m1!1s0x54940eee5cb67639:0xace2b96331dcdf96!2m2!1d-122.9203737!2d46.1730255?entry=ttu&g_ep=EgoyMDI2MDExMy4wIKXMDSoASAFQAw%3D%3D)

[(360)522-8447](tel:3605228447)

[Andy@molecularseweranddrain.com](mailto:andy@molecularseweranddrain.com)

<https://www.google.com/maps/dir//157+McMillan+Dr,+Longview,+WA+98632/@46.4931529,-122.9326625,14z/data=!4m8!4m7!1m0!1m5!1m1!1s0x54940eee5cb67639:0xace2b96331dcdf96!2m2!1d-122.9203737!2d46.1730255?entry=ttu&g_ep=EgoyMDI2MDExMy4wIKXMDSoASAFQAw%3D%3D>[https://Molecularseweranddrain.com](https://molecularseweranddrain.com)

Copyright © 2026 Molecular Inc All Rights Reserved.

[Privacy Policy |](https://www.molecularinc.com/privacy-policy?hsLang=en) [Terms & Condition](https://www.hubspot.com/)